Search and list active Polymarket prediction markets with volume and odds data

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=On-chain price prediction markets on Solana. Powered by Pyth Network oracles | 1-15min durations. Trade the volatility.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto

Good candidate for a first-dollar probe with receipt capture.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Trust Layer for AI Agent Payments


Run a small paid probe only after checking endpoint docs and expected output.


brapi - API de ações da bolsa de valores brasileira

Get current exchange rates for currency pairs. Returns current exchange rates for BRL (Brazilian Real) against major world currencies.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=API que oferece acesso fácil aos dados de empresas. Consulte cotações, históricos, dividendos e mais. Escolha seu plano agora e simplifique seus investimentos.


Get inflation data for Brazil (IPCA, IGPM) with period filtering options. Returns IPCA and IGPM inflation indices with historical data for Brazil.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=API que oferece acesso fácil aos dados de empresas. Consulte cotações, históricos, dividendos e mais. Escolha seu plano agora e simplifique seus investimentos.


Get Brazil's prime rate (SELIC) data with period and sorting options. Returns Brazil's SELIC interest rate with historical data.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Tripadvisor Content API — search, location details, reviews, and photos for hotels, restaurants, and attractions worldwide.


Content posted from an Apple device. Try it yourself by downloading Proofivy on the App Store

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


Pay $0.01 USDC to store up to 100 KB of text or code. Returns a token for free retrieval anytime via GET /paste/{token}. Network: Base Mainnet. Each request stores one text or code blob and returns a retrieval token, making it useful for notes, code snippets, logs, and debug-output sharing.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-store pastebin powered by x402. Store plain pastes or AES-256-GCM encrypted secrets with USDC micropayments. Free retrieval by token.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Vishwa is building agent-native banking infrastructure for autonomous capital, bringing pre-execution control to agent-driven payments and capital flows.

Normalize token/amount terms before comparing cost.


Vate is an agent payment strategy control engine

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Vishwa is building agent-native banking infrastructure for autonomous capital, bringing pre-execution control to agent-driven payments and capital flows.


Murmuration — Publish Code, Get Paid When Agents Call It

Sends a physical postcard via the Lob API from inside a TEE. | More info: https://usemur.dev/f/send-postcard

x402Version=2; scheme=exact; accept_verified=false; tags=Utility


DeFi token swap: returns best route and ready-to-sign transaction data.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=AI-powered crypto assistant by Velvet Capital.


AI crypto token analysis: price, social signals, risk score, on-chain data.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=AI-powered crypto assistant by Velvet Capital.


Trending tokens with live stats across ETH, Base, SOL, BSC.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AinX402 - Creating the world's knowledge hub


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=A casino built for autonomous AI agents. Pay per play with x402 (USDC on Base), verify every roll with commit-reveal fairness, withdraw on-chain.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=A casino built for autonomous AI agents. Pay per play with x402 (USDC on Base), verify every roll with commit-reveal fairness, withdraw on-chain.


UtilsForAgents — AI Agent Utility API | x402 Pay-Per-Call

Fetch a URL and convert its HTML content to Markdown. Handles redirects, downloads the HTML, and returns clean Markdown suitable for LLM context windows or document processing. Use this to read and summarize web pages, documentation, or articles. Send {"url": "https://..."}. Remote fetch timeout: 5s, max download size: 2 MB.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call AI agent utilities plus a free feedback endpoint: JSON diff, EXIF extraction, metadata scrubbing, HTML-to-Markdown, URL fetching, and feature-request collection. $0.003/call for paid utility routes via x402 on Base or Solana.


Convert an HTML string to clean Markdown. Strips navigation, scripts, styles, and non-content elements. Use when you have an HTML string in memory and want Markdown for an LLM context window, document processing, or storage. Send {"html": "<html string>"}. Also accepts a raw text/html body. Max 5 MB.


Extract EXIF metadata from a JPEG image. Returns structured fields including camera make/model, GPS coordinates, timestamp, aperture, shutter speed, ISO, and more. Useful for reading location data from photos, auditing camera settings, or checking what metadata is embedded in an image. Send the image as a raw binary body (Content-Type: image/jpeg) or multipart/form-data with field name 'file'. Max 5 MB.


Fetch a URL and extract structured metadata from its HTML: title, description, canonical URL, language, favicon URL, RSS/Atom feed links, Open Graph tags (og:title, og:image, og:type, og:description, og:url), Twitter Card tags, and other meta tags (author, keywords, robots). Use this to get Open Graph data, preview cards, or site information without parsing HTML yourself. Send {"url": "https://..."}. Remote fetch timeout: 5s, max download size: 2 MB.

Require human confirmation and platform-policy review.


Count the number of tokens in a text string using the specified tokenizer encoding. Supports cl100k_base (GPT-4/GPT-3.5, exact BPE), o200k_base (GPT-4o, exact BPE), claude (Claude models, estimated), and gemini (Gemini models, estimated). Use before sending text to an LLM to estimate cost, check context window fit, or enforce token budgets. For base64-encoded images, set content_type='image' for tile-based token estimation. Send {"text": "...", "encoding": "cl100k_base"}. Max 50 MB text.


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Mint 5k BIP. Fair launch, no team supply. Cap - 100k USDC. Liquidity will be automatically added on mint out.

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=X402 Demo Description


AurelianFlo - OFAC Wallet Screening and Compliance APIs

Exact-match OFAC wallet screening and crypto wallet sanctions check for sanctioned digital currency addresses. Screens one wallet address against Treasury's public SDN advanced XML and returns hit or clear status, asset coverage, sanctioned entity metadata, sanctions programs, list source, listing date, and a manual-review signal for onchain payment and treasury controls.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-call OFAC wallet screening, batch crypto sanctions checks, EDD memos, and audit-ready document output. Built for humans, AI agents, OpenAPI, MCP, and x402.

Verify source, legality, and consent before any paid call.


Pass ENS name to retrieve wallet address


get wallet's portfolio value without token holding positions


x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Extract or repair a JSON payload from mixed prose, markdown, or malformed model output before downstream parsing.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Boundary Guard is x402-paid runtime trust infrastructure for production agents: risk scan, JSON extraction, schema normalization, PII redaction, text chunking, Boundary Receipts, and Agent Handoff Receipts.


Scan raw text for prompt-injection, secret, and PII risk before an agent trusts it.


AI-powered price trend analysis with UP/DOWN/NEUTRAL recommendations based on confidence intervals

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=On-chain price prediction markets on Solana. Powered by Pyth Network oracles | 1-15min durations. Trade the volatility.


Multi-timeframe funding rate analysis (1h, 24h, 7d, 30d) with percentiles and AI interpretation


Get real-time cryptocurrency price from Pyth Network oracle (SOL or FARTCOIN)


SafeStream API - Real-Time SSL Certificate Intelligence

Daily access to domains-only stream. Lightweight stream with domain names only for maximum throughput. Full documentation: https://www.thesafestream.com

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; origin=Real-time SSL certificate transparency stream API. Monitor newly issued certificates, detect phishing domains, and secure your infrastructure with SafeStream.


Daily access to full SSL certificates with DER encoding. Complete SSL certificates with DER encoding for deep analysis. Full documentation: https://www.thesafestream.com


Daily access to SSL certificate stream. Real-time SSL certificates without DER encoding. Full documentation: https://www.thesafestream.com


402links - Turn Links into Products with HTTP 402

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Create paid links in seconds. Turn every link into a micro-product with blockchain payments on Base. No middlemen, instant USDC payments.


Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=Create paid links in seconds. Turn every link into a micro-product with blockchain payments on Base. No middlemen, instant USDC payments.


Query the latest onchain DEX price, liquidity, and market data of a token, based on the provided token contract address on a network

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Query the latest onchain DEX trending pools & tokens, based on a provided network.


Search onchain DEX pools and token, by contract address, name, or token symbol.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


Query onchain DEX token price & market data based on the provided token contract addresses on a network.


Query prices & market data of coins listed on CoinGecko, by coin IDs, names, or symbols.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


ChromBot V2 Super Early Bird Sale | Buy Now!

Secure your ChromBot companion robot with our exclusive Super Early Bird pricing - limited to 100 units. Shipping expected in Q2 2026. Developed by EvalEngine & Chromia team.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=This page is for ChromBot V2. Limited to 100 units! Pre-order your ChromBot V2 and join the future of smart AI companions. For ChromBot V1 or full product details, visit chrom.bot


Top 10 Polymarket crypto events by 24h volume. Top events are often price ladder markets (multi-outcome); yes_price and no_price will be 0.0 for those. No input required. 10s cache.

Payment-Signature header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Crypto


Top 10 Polymarket political events by 24h volume. Binary markets with yes/no prices (0-1). No input required. 10s cache.

Payment-Signature header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Trading


Top 10 Polymarket science and technology events by 24h volume. Binary markets with yes/no prices (0-1). No input required. 10s cache.


Top 10 Polymarket sports events by 24h volume. Binary markets with yes/no prices (0-1). No input required. 10s cache.


Top 10 Polymarket markets by 24h volume across all topics. Returns yes/no prices (0-1), USD volume, liquidity, and close date when set (field absent if no end date). No category data (markets API does not provide tags). No input required. 10s cache.


Oddify - Data gateway to Polymarket using x402

No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Real-time data and actionable insights for prediction markets like Polymarket and Kalshi using X402 payments. Pay-per-use API with instant micropayments.


Get a single market by ID, condition ID, market name, or token ID


Get current and historical cryptocurrency prices with market data. Returns real-time prices, market cap, volume, and historical data for major cryptocurrencies.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=API que oferece acesso fácil aos dados de empresas. Consulte cotações, históricos, dividendos e mais. Escolha seu plano agora e simplifique seus investimentos.


Get current and historical data for Brazilian stocks, indexes, or ETFs including price quotes, financial statements, and dividends. Returns real-time quotes, historical prices, financial statements, and dividends for B3 (Brazilian Stock Exchange) tickers.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=API que oferece acesso fácil aos dados de empresas. Consulte cotações, históricos, dividendos e mais. Escolha seu plano agora e simplifique seus investimentos.


Configure the yield pool watcher with protocol, pool, and threshold rules.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Return the highest-yielding pools currently tracked on a given chain.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


Return recent alert events emitted by the watcher, optionally filtered.


Fetch the latest pool metrics, deltas, and alerts for the configured watcher.


Summarize configured watcher preferences and highlight changes over the selected timeframe using an LLM when available.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


API Reference | Kevros | TaskHawk Systems

Prove authorization — signed ALLOW/CLAMP/DENY with release token

Payment required. Pay with USDC on Base via x402, use an API key, or upgrade at https://governance.taskhawktech.com/upgrade; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Complete API documentation for Kevros Runtime Intelligence Gateway. Interactive endpoint explorer with request examples and response schemas.


Prompt injection detection — GPU-accelerated DeBERTa classifier, HMAC-signed result


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


Search for upcoming concerts. Supports city, date range, genre, and artist filtering.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Handy tools and services that accept x402 payments


Get a daily horoscope for any zodiac sign. Optionally request a specific date.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Random; origin=Handy tools and services that accept x402 payments


Get a daily horoscope (testnet). Same as /api/horoscope but on testnet pricing.


Get resolved/historical prediction markets from Polymarket. Filter by date range, slug, or category.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Handy tools and services that accept x402 payments


Get the top trending prediction markets on Polymarket, sorted by 24h volume. Returns up to 5 markets by default.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Level up your game with Plays w/ Zapier for Crypto x AI


Get social metrics for a token by address

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Level up your game with Plays w/ Zapier for Crypto x AI


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Level up your game with Plays w/ Zapier for Crypto x AI


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Level up your game with Plays w/ Zapier for Crypto x AI


Blocksize — Agentic Market Data for AI Agents

Real-time crypto bid/ask snapshot data from Blocksize Capital.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Blocksize Capital provides agent-native market data with a public remote MCP discovery server and x402-paid HTTP market data endpoints.


Real-time FX market data from Blocksize Capital.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Blocksize Capital provides agent-native market data with a public remote MCP discovery server and x402-paid HTTP market data endpoints.


Real-time precious metals market data from Blocksize Capital.


Real-time crypto VWAP market data from Blocksize Capital.


Submit answer to trivia question and mint POIC tokens if correct. Minimal payment for x402scan visibility.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Prove Your Intelligence, Mint Rewards. Answer AI-powered trivia questions and earn POIC tokens on Base.


MERX - TRON Payment Infrastructure for AI Agents

Create a TRON payment invoice with payment link for USDT, USDC, or USDD. Automatic detection on receipt.

PAYMENT-SIGNATURE header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=TRON payment infrastructure for AI agents. Send and receive USDT with automatic energy, monitor wallets with less than 3s detection, access real-time blockchain data. TRON x402 facilitator (first in coinbase/x402 ecosystem registry).


JP Local Pack API — Japan office-automation data for AI agents

Japan payroll + social insurance + holiday context + consumption tax in 1 call for AI payroll agents -- returns full deduction breakdown, standard remuneration grades, national holidays and business days for the target month, and current consumption tax rates. Use when: building Japan payroll reference dashboards or HR automation that needs all context at once. Saves 3 separate paid calls ($0.021) vs single combo ($0.015). External call: none (static embed for static parts). Pay-per-call via x402, no auth. Data: Kyokai Kenpo, MHLW, NTA, Cabinet Office Japan (FY2026 payroll/social-insurance; statute/live domains separately marked).

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Japan payroll / tax / social insurance / mynumber / corporate / invoice / holiday reference API for AI agents. x402 micropayments on Base. No API key.


Japan qualified-invoice issuer lookup by supplier name for AP automation / invoice-validation agents -- resolves a typed company name to candidate T-numbers via gBizINFO name-search plus the NTA derivation rule ('T' + 13-digit houjin_bango), then returns candidate-level registration_status evidence. The top candidate is verified against the NTA qualified invoice issuer public download registry when available; lower candidates may be unverified and expose registration_error. Use when: buyer only has a supplier name and needs issuer candidate evidence before confirming the exact T-number. External calls: METI gBizINFO name-search + NTA invoice public download registry. Pay-per-call via x402, no auth. Data: METI gBizINFO + NTA qualified invoice issuer publication system public download registry.

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Japan payroll / tax / social insurance / mynumber / corporate / invoice / holiday reference API for AI agents. x402 micropayments on Base. No API key.


Check x402 server API health: response latency, availability, protocol compliance, and payment endpoint test. Essential for monitoring service reliability and integration validation. Price: $0.01 USDC

Payment required. Please provide X-PAYMENT header.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402-secure is the trust layer for x402 ecosystem. Powered by t54.ai.


Get your NFT balance on Base chain with premium features

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=X402 Premium Description


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=Create your personalized x402 tip link to receive crypto payments for coffee


buy 0x416C027c9b537C49D6E3fD4dDF8714050CcAFF23 a coffee.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Create your personalized x402 tip link to receive crypto payments for coffee


buy 0x9aaa917eBD59400B9160b90dCDa33b3138Ff3aa2 a coffee.


buy 0xD5FFeb6C070720D10f0E80e3C5A181Cc8DAaef87 a coffee.


Launch a business payment token or consumer loyalty token on Fuse - includes smart contract deployment

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Deploy a real LoyaltyToken ERC-20 (mintable, burnable, ownable, minter-acl) on Fuse mainnet. Caller is the on-chain owner.


Boundary Guard-style receipt for submitted request metadata, policy decision, hashes, result summary, and next-step guidance.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Preflight checks for paid agent tools: GateCheck seller-readiness checks, unpaid x402 paid-path probes, and launch-pack artifacts before marketplace listing.


Agent Tool Readiness Checker v1: compose x402 metadata scan, optional unpaid paid-path health probe, and launch/report guidance for agent-facing paid tools.


Probe an x402 paid endpoint's unpaid 402 challenge, parse payment requirements, compare expected network/asset/price, and return a health receipt.


x402 Launch Pack Generator v0: produce listing copy, buyer FAQ, checklist, approval packet, and marketplace-safe claim boundaries for paid x402/MCP tools.


Read-only x402 metadata scanner: manifest, OpenAPI, price surfaces, listing staleness, and next-step issues.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Preflight checks for paid agent tools: GateCheck seller-readiness checks, unpaid x402 paid-path probes, and launch-pack artifacts before marketplace listing.


Prove what you did — hash-chained provenance attestation

Payment required. Pay with USDC on Base via x402, use an API key, or upgrade at https://governance.taskhawktech.com/upgrade; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Complete API documentation for Kevros Runtime Intelligence Gateway. Interactive endpoint explorer with request examples and response schemas.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Transfer failed: The contract function "transferWithAuthorization" reverted with the following reason:
FiatTokenV2: invalid signature

Contract Call:
  address:   0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
  function:  transferWithAuthorization(address from, address to, uint256 value, uint256 validAfter, uint256 validBefore, bytes32 nonce, uint8 v, bytes32 r, bytes32 s)
  args:                               (0xEE6b6939d3176e243622A65b8F4D25B88b0169e4, 0x1CD0Efc43d072Aa21B32a810Fb7C53D55bb6BaCE, 1000000, 1761737490, 1761738210, 0xf290d0f460313bb08afac56e9c38fb7a00bd70461969ff23a131c75e486ddd0a, 28, 0xde8e231c47c4c8c2cf40ed25d51b8bf81ff09410469435a636a2f8ff5e2ab64d, 0x0a4e4a988e4bd0b450749a0a3b0c73d4a4abaf2965cdf406150e1a7fecfa672e)
  sender:    0x3B3c1879445407C4B6005a003df245AF1C82a86e

Docs: https://viem.sh/docs/contract/writeContract
Version: viem@2.38.4; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Romy Mondello — agent infrastructure, x402 micropayments, EmDash plugins

Skill download: Cloudflare DNS Stuck Cache Diagnosis

Payment required; mime=text/plain; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Notes from the agent era. Agent infrastructure, x402 micropayments, EmDash plugins, and on-chain verification.


Skill download: EmDash Blog Deploy Ritual


Skill download: EmDash Event-Driven Plugin Pattern


Skill download: EmDash Post Publishing Pipeline


Skill download: EmDash Session Status Check


Skill download: Wrangler Secret Key Hygiene


Mint an Origin Protocol Birth Certificate. $100 USDC total. Runs the 6-test Proof of Agency gauntlet. On pass: agent is minted, $100 split 50% pool / 30% dev / 20% stakers. On fail: only $5 settled (gauntlet fee), results go to Graveyard.

Payment required; mime=application/json; x402Version=2; scheme=upto; accept_verified=false; tags=Crypto; origin=Trust-gated agent economy on Base mainnet. Agents earn Birth Certificates through adversarial gauntlets, build reputation through quests, and access trust-priced services. All paid endpoints use x402 micropayments in USDC on Base (chain eip155:8453).


List Japan calendar quarter-end dates (Q1=Mar-end, Q2=Jun-end, Q3=Sep-end, Q4=Dec-end) with previous-business-day adjustments per axis (bank / admin / sse). For IR, accounting, and reporting agents. Pay-per-call via x402, no auth. Data: Cabinet Office of Japan public holidays (public domain).

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


ShieldAPI – Real‑time Security Intelligence

k-Anonymity password range lookup (HIBP compatible)

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Brutalist security API for AI agents – free tier, pay‑per‑request via x402.


Analyze marketing performance data, create dashboards, identify trends, and provide actionable insights for optimization

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Specialized AI agents powered by Gemini Pro with x402 micropayments


PulseAPI - The GOAT Data Aggregation Agent

🎯 AGENT OBSERVABILITY - Track your API usage, costs, latency, and errors. Debug your agent's behavior, optimize spending, and identify issues BEFORE they become problems. This is the #1 missing feature in AI agent development. Monitor cost per query, success rates, response times, error patterns, and get actionable recommendations.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Fetches Hyperliquid perpetual futures trading data including funding rates, prices, vault positions, and whale activity tracking. Provides access to funding rates, mark prices, open interest, volume, and historical price data.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


X-PAYMENT header required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Anonfund


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=AI


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Search


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Cryptoslate content lookup. Include the content URL or slug in the request using the content_url key

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


Get list of all available CryptoSlate content URLs with their last updated dates


Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Trustless infrastructure for autonomous AI agents. Query agent profiles, reputation scores, and more via x402 micropayments.


Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Trustless infrastructure for autonomous AI agents. Query agent profiles, reputation scores, and more via x402 micropayments.


Authentication required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Harness the full capabilities of Venice AI with the Venice API, a private and uncensored AI API enabling the development of advanced applications that generate text and images.


Agoragentic | Agent OS for Deployed Agents and Swarms

Invoke "Research & Analysis" on Agoragentic marketplace

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Deploy autonomous agents and swarms for creators, agencies, prosumers, builders, and small teams with governed budgets, approvals, wallets, APIs, receipts, marketplace access, and optional Micro ECF policy controls.


List token launches in the vending machine. Results include the token information and launch progress (amount of USDC raised, queued, and completed purchases). Useful for searching ongoing or completed launches, or to get the token information for a specific launch.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=x402 Vending Machine - Create and buy tokens. Designed for humans and agents alike.


Get detailed information about a specific token, including launch status and purchase statistics, and token metadata.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=x402 Vending Machine - Create and buy tokens. Designed for humans and agents alike.


Flows — Publish Code, Get Paid When Agents Call It

Sends a physical postcard via the Lob API from inside a TEE. | More info: https://flows.litprotocol.com/f/send-postcard

x402Version=2; scheme=exact; accept_verified=false; tags=Random


Search GitLab for public projects â enterprise open source and DevOps tools. AI agent API for competitive intelligence. Accepts USDC payments on Base and Solana


Murmuration — Publish Code, Get Paid When Agents Call It

Verify identity â check name, address, phone, email against consumer databases. Returns verification, cross-references, and corrected addresses. | More info: https://usemur.dev/f/identity-verify

x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=application/json; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Realtime voice, multi-agent chat, and MCP tooling in a single adaptive crypto workspace.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Realtime voice, multi-agent chat, and MCP tooling in a single adaptive crypto workspace.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Realtime voice, multi-agent chat, and MCP tooling in a single adaptive crypto workspace.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Realtime voice, multi-agent chat, and MCP tooling in a single adaptive crypto workspace.


Payment required; mime=application/json; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Realtime voice, multi-agent chat, and MCP tooling in a single adaptive crypto workspace.


Twitter/X topic analysis with engagement metrics and highlights.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Realtime voice, multi-agent chat, and MCP tooling in a single adaptive crypto workspace.


x402scan facilitator/server/agent/tool leaderboard proxy


Solana token or wallet trade summary with volumes, top counterparties, and sample trades.


Detailed entity insight (token/wallet/trade) with SOL/token deltas and normalized trade lists.


Access Weather Forecast / Access Weather Forecast via X4AGENT

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-once access and marketplace via X402 on Solana/Base USDC. Simple. Clean. Fast.


Deep-dive seller analytics. For a payTo address: total USDC earned, payment count, unique payers, avg/median ticket, top 10 payers, 20 most recent payments. Competitor research gold. POST JSON { address, hours? (1-168) }.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Top-spending wallets in the x402 economy. Scans all bazaar sellers on Base, aggregates by payer, ranks by total USDC spent. Returns top N buyers with their top seller and top service â find heavy-spending agents to target or compete for. POST JSON { hours?, top? }.


Evaluate an agent's pending payment plan by submitting agent_id, wallet_address, and a full agent_trace. Returns a normalized summary acknowledging the payload. Price: $0.001 USDC (Solana)

Payment required. Please provide X-PAYMENT header.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402-secure is the trust layer for x402 ecosystem. Powered by t54.ai.


Evaluate an agent's pending payment plan by submitting agent_id, wallet_address, and a full agent_trace. Returns a normalized summary acknowledging the payload. Price: $0.0001 USDC


Generate TypeScript type definitions from a Supabase project's database schema. Only the owner wallet can access.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=On-demand Postgres databases via micropayments. No API keys, no subscriptions.


Get full details for a Supabase project. Only the creating wallet can access it.


Check the health status of all services for a Supabase project. Only the owner wallet can check.


List all Supabase projects owned by the calling wallet.


Pause a running Supabase project. Stops compute but preserves all data. Only the owner wallet can pause.


Restore a paused Supabase project back to active state. Only the owner wallet can restore.


BlockRun — YOPO: You Only Pay for the Outcome

AI chat completions API - pay per request with USDC on Base

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=YOPO — You Only Pay for the Outcome. Plug your AI agent into 55+ LLMs, live data APIs, media generation, and secure code runtime. One install for OpenClaw, Claude Code, or Franklin. Pay per call in USDC via x402 — no API keys.


Create a managed Python 3.11 sandbox with bounded CPU, memory, and lifetime limits.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=YOPO — You Only Pay for the Outcome. Plug your AI agent into 55+ LLMs, live data APIs, media generation, and secure code runtime. One install for OpenClaw, Claude Code, or Franklin. Pay per call in USDC via x402 — no API keys.


Execute a command inside a running sandbox. Returns stdout, stderr, and exit code.


Check the status of a sandbox (running or terminated).


Terminate a running sandbox and release its resources.


Fetch an agent's full Birth Certificate from on-chain storage â reputation, locked rep, completed quests, rejection count, grade, skill tags. The behavioral certificate of any Origin agent.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Get an agent's current trust grade (F, D, C, B, A, A+) from BCStorage. Used for trust-gating, reputation lookups, and access control.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


Buy CLAMS with USDC on the Origin Protocol trust-gated AMM. Your on-chain trust grade determines your fee tier (1-5%). Grade F agents are blocked.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Sell CLAMS for USDC on the Origin Protocol trust-gated AMM. Your on-chain trust grade determines your fee tier (1-5%). Grade F agents are blocked.


Get an agent's 8407 memory token summary â counts by type (SHORT_TERM, LONG_TERM, INSIGHT, DISCOVERY, INHERITED). Public metadata only â encrypted payloads not exposed.


List all open quests on Origin Protocol with bounty, category, minGrade, repStake, and deadline. Used by agents to discover work and by external observers to monitor quest activity.


Claim an open quest on the Origin Protocol QuestBoard. The agent stakes reputation as collateral. Gateway signs the transaction on behalf of the agent using server-side CDP signing.


Submit completed work for a claimed quest. Uploads deliverable content to the protocol's storage layer, computes the keccak256 hash, and submits the hash on-chain. Gateway signs as the agent.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Given a Japan record date (kabunushi kakutei-bi), returns last-with-rights day (kenri-tsuki saishu-bi) and ex-dividend date (kenri-ochi-bi) per JPX T+1 rule (2024-11-05 onwards) or the T+2 legacy rule. For dividend-strategy and equity agents. Pay-per-call via x402, no auth. Rule source: JPX equities trading changes. Holiday data: Cabinet Office of Japan (public domain).


Japan fiscal year end for a given fiscal year + fiscal month (default fiscal_month=3 = March year-end, the standard for about 70 percent of Japanese listed companies). Returns fiscal_start, fiscal_end, previous-business-day adjustment, and day-of-week. For accounting and IR agents. Pay-per-call via x402, no auth. Data: Cabinet Office of Japan public holidays (public domain).


List Gotobi (Japan's 5/10/15/20/25/month-end settlement days) for a year-month, with previous-business-day adjustments. For Japan finance settlement agents. Pay-per-call via x402, no auth. Data: Cabinet Office of Japan public holidays (public domain).


List all Japan national holidays for a given year (2024-2027 supported). For scheduling and compliance agents. Pay-per-call via x402, no auth. Data: Cabinet Office of Japan public holidays (public domain).


Check whether a given Japan calendar date is a business day on the specified axis (bank / admin / sse). For scheduling, SLA, and settlement agents. Pay-per-call via x402, no auth. Data: Cabinet Office of Japan public holidays (public domain).


Get the next Japan business day after a given date on the specified axis (bank / admin / sse). For scheduling and settlement agents. Pay-per-call via x402, no auth. Data: Cabinet Office of Japan public holidays (public domain).


Compute the Japan equity settlement date for a given trade date, applying the JPX T+1 rule (2024-11-05 onwards) or the T+2 legacy rule with SSE-axis business-day stepping. For trade-lifecycle, reconciliation, and equity agents. Pay-per-call via x402, no auth. Rule source: JPX equities trading changes.


Sentiment analysis on text, tweets, or market narratives

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Autonomous crypto trading and research agent


ClawNet — Ask anything. Get verified answers.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Ask anything. Get verified answers from 12,000+ data sources. Crypto, social, market intelligence — one query, no API keys needed. Just connect a wallet.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Ask anything. Get verified answers from 12,000+ data sources. Crypto, social, market intelligence — one query, no API keys needed. Just connect a wallet.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Ask anything. Get verified answers from 12,000+ data sources. Crypto, social, market intelligence — one query, no API keys needed. Just connect a wallet.


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Brutalist security API for AI agents – free tier, pay‑per‑request via x402.


Check password hash against 900M+ breach records


Prompt injection detection (200+ patterns, <100ms)

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Brutalist security API for AI agents – free tier, pay‑per‑request via x402.


Full security scan — all checks combined


x402.tunedfor.ai — Crypto Market Data API for AI Agents

On-chain address profile with mechanical risk scoring. Auto-detects EVM or Solana.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Cross-exchange crypto market structure API. Aggregated orderflow, buy/sell ratios, CVD, liquidation pressure, and regime detection from 20 exchanges in one call. Free via MCP. Pay-per-call REST in USDC. No signup.


Complete pre-trade due diligence. All data from /market and /orderflow, plus a single grounded LLM call. Returns stance, orderflow_signal, risk_level, and a verdict citing specific data values. 15 tokens.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Cross-exchange crypto market structure API. Aggregated orderflow, buy/sell ratios, CVD, liquidation pressure, and regime detection from 20 exchanges in one call. Free via MCP. Pay-per-call REST in USDC. No signup.


Pre-trade macro check. Data-only, no LLM. Returns price snapshot, pulse direction with confidence, and macro regime your agent can branch on. 15 tokens.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Cross-exchange crypto market structure API. Aggregated orderflow, buy/sell ratios, CVD, liquidation pressure, and regime detection from 20 exchanges in one call. Free via MCP. Pay-per-call REST in USDC. No signup.


Cross-exchange orderflow verification. Data-only from 20 live venues. Returns CVD, whale activity, liquidation pressure, spot/perp delta, and exchange distribution. 24 tokens.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Cross-exchange crypto market structure API. Aggregated orderflow, buy/sell ratios, CVD, liquidation pressure, and regime detection from 20 exchanges in one call. Free via MCP. Pay-per-call REST in USDC. No signup.


Raw Pillar token snapshot â 16 reliable fields, no LLM. Price, volume, on-chain metrics, orderflow, sentiment. 15 tokens. Use as feed input for your own models.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Cross-exchange crypto market structure API. Aggregated orderflow, buy/sell ratios, CVD, liquidation pressure, and regime detection from 20 exchanges in one call. Free via MCP. Pay-per-call REST in USDC. No signup.


[HL] PRIVATEER — Open Hyperliquid Discretionary Desk

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=A fund of autonomous agents making discretionary calls on Hyperliquid. Follow trades, read analysis, copy positions — all accessible via x402 pay-per-call.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=A fund of autonomous agents making discretionary calls on Hyperliquid. Follow trades, read analysis, copy positions — all accessible via x402 pay-per-call.


HL Privateer public floor snapshot (agent access)


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Random; origin=A casino built for autonomous AI agents. Pay per play with x402 (USDC on Base), verify every roll with commit-reveal fairness, withdraw on-chain.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=A casino built for autonomous AI agents. Pay per play with x402 (USDC on Base), verify every roll with commit-reveal fairness, withdraw on-chain.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=A casino built for autonomous AI agents. Pay per play with x402 (USDC on Base), verify every roll with commit-reveal fairness, withdraw on-chain.


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


$CONTEXT | Decentralized Memory for OpenClaw

Publish a skill/memory pack to the marketplace

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=AI; origin=Community-built decentralized memory layer for OpenClaw AI agents. Persistent memory, skill marketplace, agent intelligence on Solana.


Recall stored memories via semantic search

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; origin=Community-built decentralized memory layer for OpenClaw AI agents. Persistent memory, skill marketplace, agent intelligence on Solana.


Get x402 payment network stats and volume


Get $CONTEXT token price and market data

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Crypto; origin=Community-built decentralized memory layer for OpenClaw AI agents. Persistent memory, skill marketplace, agent intelligence on Solana.


Create comprehensive content strategies including blog ideas, editorial calendars, topic clusters, and content distribution plans

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Specialized AI agents powered by Gemini Pro with x402 micropayments


Design email sequences, craft compelling subject lines, segment audiences, and optimize email campaigns for conversions


Create and optimize paid ad campaigns across Google Ads, Facebook, LinkedIn with targeting, copy, and bid strategies


Research high-value keywords with search volume, difficulty scores, and intent analysis for SEO strategy optimization

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Specialized AI agents powered by Gemini Pro with x402 micropayments


Generate engaging social media posts, hashtag strategies, posting schedules, and platform-specific content recommendations


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=X402 Demo Description


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


AurelianFlo - OFAC Wallet Screening and Compliance APIs

Generate a styled DOCX report from a shared report model for editable decision memos, diligence reports, and client-facing documents.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call OFAC wallet screening, batch crypto sanctions checks, EDD memos, and audit-ready document output. Built for humans, AI agents, OpenAPI, MCP, and x402.


Generate a styled report PDF from the shared report model or a legacy report payload with title, summary, sections, and headline metrics.


Generate a styled PDF report from a shared report model with executive summary, metrics, sections, and tables for client delivery or internal decision review.


Generate a report-oriented XLSX workbook from a shared report model with tabs and tables for analysis handoff, finance modeling, and spreadsheet-friendly exports.


Screen a batch of crypto wallet addresses against OFAC SDN digital currency address designations and return per-wallet results, a batch-level proceed-or-pause decision, and structured output.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-call OFAC wallet screening, batch crypto sanctions checks, EDD memos, and audit-ready document output. Built for humans, AI agents, OpenAPI, MCP, and x402.


Generate an enhanced due diligence memo for a wallet set using exact-match OFAC wallet screening and OFAC SDN digital currency address checks, status labels for compliance review, case metadata, and JSON, PDF, or DOCX output.


Run an OFAC wallet screening check and return a report-ready compliance payload for crypto payment review, treasury controls, exchange operations, and AML workflows.


AABC Labs - The Ultimate Form of AI Agents

AABC Capability • Browser Automation ($0.005)

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AABC Labs is a fully open source AI agent platform that helps you accomplish any real-world task with ease. AI agents that handle everything from research to automation, plus native Web3 capabilities.


x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=AABC Labs is a fully open source AI agent platform that helps you accomplish any real-world task with ease. AI agents that handle everything from research to automation, plus native Web3 capabilities.


AABC Capability • File Operations ($0.002)


AABC Capability • SPL Token Launch ($0.05)

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=AABC Labs is a fully open source AI agent platform that helps you accomplish any real-world task with ease. AI agents that handle everything from research to automation, plus native Web3 capabilities.


AABC Capability • Vision Analysis ($0.003)


AABC Capability • Internet Search ($0.001)


AABC Agent Chat Access - Advanced AI agent powered by Solana

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=AABC Labs is a fully open source AI agent platform that helps you accomplish any real-world task with ease. AI agents that handle everything from research to automation, plus native Web3 capabilities.


Polymarket Hidden Edge Scan | HyperGrowth

Paid scout surface for energy catalysts. Returns the canonical decision envelope plus the catalyst payload.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Polymarket Hidden Edge Scan returns BUY_NOW, WAIT, or SKIP with executable limit price, side, expected value, freshness, and coverage.


Paid execution guard for Hyperliquid perps. Returns the canonical decision envelope plus the FillShield payload.


Paid execution guard specialization for energy-linked Hyperliquid trades. Returns the canonical decision envelope plus the energy execution payload.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Polymarket Hidden Edge Scan returns BUY_NOW, WAIT, or SKIP with executable limit price, side, expected value, freshness, and coverage.


Paid validation surface for a specific Polymarket entry candidate. Returns the canonical decision envelope plus the EventEdge payload.


Paid scout surface for executable Polymarket edge. Returns the canonical decision envelope plus the hidden-edge payload.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Polymarket Hidden Edge Scan returns BUY_NOW, WAIT, or SKIP with executable limit price, side, expected value, freshness, and coverage.


402links - Turn Links into Products with HTTP 402

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=Create paid links in seconds. Turn every link into a micro-product with blockchain payments on Base. No middlemen, instant USDC payments.


Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Create paid links in seconds. Turn every link into a micro-product with blockchain payments on Base. No middlemen, instant USDC payments.


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Automated crypto strategies designed to maximize risk-adjusted returns with transparent onchain performance.


POST with gaugeAddress + lpTokenAddress Basic Volatile for estimate APY Aerodrome on Base Mainnet.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Get price token of poolAddress Aerodrome Slipstream or vAMM/sAMM real-time on Base Mainnet


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Reclaim rent SOL from empty token accounts. Sweep Solana dust fast, safe, and non-custodial.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Reclaim rent SOL from empty token accounts. Sweep Solana dust fast, safe, and non-custodial.


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Governance attack analysis: plutocratic capture, flash loan attacks, bribing vectors, voter apathy exploitation, and delegation risks.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=true; tags=Crypto; origin=Find the exploits before they find you. Protocol incentive analysis, Nash equilibria, attack vectors, mechanism design.


MEV exposure analysis: frontrunning risk, sandwich attacks, backrunning opportunities, and transaction ordering games.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=true; tags=Trading; origin=Find the exploits before they find you. Protocol incentive analysis, Nash equilibria, attack vectors, mechanism design.


API Reference | Kevros | TaskHawk Systems

Prove intent matches action — cryptographic binding

Payment required. Pay with USDC on Base via x402, use an API key, or upgrade at https://governance.taskhawktech.com/upgrade; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Complete API documentation for Kevros Runtime Intelligence Gateway. Interactive endpoint explorer with request examples and response schemas.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=The real-time explorer for machine payment settlements. Quality-scored API resources, facilitator leaderboards, and live multi-chain settlement data.


Blocksize — Agentic Market Data for AI Agents

Real-time crypto bid/ask snapshot data from Blocksize Capital.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Blocksize Capital provides agent-native market data with a public remote MCP discovery server and x402-paid HTTP market data endpoints.


Real-time FX market data from Blocksize Capital.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Blocksize Capital provides agent-native market data with a public remote MCP discovery server and x402-paid HTTP market data endpoints.


Real-time precious metals market data from Blocksize Capital.


Real-time crypto VWAP market data from Blocksize Capital.


Invoke "Invoice Reminder Copywriter API" on Agoragentic marketplace

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Deploy autonomous agents and swarms for creators, agencies, prosumers, builders, and small teams with governed budgets, approvals, wallets, APIs, receipts, marketplace access, and optional Micro ECF policy controls.


Snack Money API https://api.snack.money - POST Batch pay to users via email


8k4 Protocol — Trust API for ERC-8004 Agents

Get processed metadata response for an agent

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Identity and trust scoring for autonomous agents. Pay per request via x402. No signup required.


Get an ERC-8004 trust score for a specific agent and chain

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Identity and trust scoring for autonomous agents. Pay per request via x402. No signup required.


Get score explanation with positives and cautions


Get validator feedback and validation history for an agent


Get cross-chain registrations for a canonical global ID


Get full protocol statistics and confidence distribution


Verify and grade any x402 endpoint for trust, accuracy, and reliability. Get detailed TrustScore analysis with actionable recommendations. Essential for AI agents choosing data sources.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


War-Tracker — Unbiased, Uncensored, Live War Tracker Map | Real-Time OSINT Conflict Map

Faceted vessel-identity search across the ~600k-vessel MarineTraffic mirror. Supports free-text `q` (matches name prefix, IMO, or MMSI), facet filters (`flag`/country_code, AIS `type`, `subtype`, `commercial_market_name`), boolean `sanctioned` and `watchlisted` flags, and numeric `min_length` (metres) / `min_year_built` filters.

**Always enumerate legal facet values via the free /api/v1/vessels/facets endpoint before paying for /search** — otherwise probing unknown facet values burns $0.002…

PAYMENT-SIGNATURE header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=War-Tracker is a live war tracker map showing real-time military strikes and conflict events worldwide. Unbiased, uncensored OSINT: track Ukraine, Middle East, and global conflicts with video evidence as they happen.


Dopamint | The 1st AI prompt-to-NFT Marketplace on Base

Generate image using bytedance/seedream/v4/text-to-image

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Think Dopamint as CapCut meets Pump.fun. Prompt NFTs, mint and burn TOGETHER on liquid bonding curves on Base, by AncientX.
Dopamint X402: Your AI agents can now autonomously commission high-quality images and videos via our APIs for Nano Banana, Flux Kontext, Sora 2, Veo3.1, etc. No credit cards, no subscriptions just pure, friction-less micropayments powered by Coinbase x402.


Mauritius Oracle — x402 Gateway Powered by SENTINEL

Complete Mauritius economic pulse ÃÂ¢ÃÂÃÂ forex + fuel + stocks + weather + macro + monetary in one call. Designed for AI agents needing full country context.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Integrate x402 USDC payments on Base with SENTINEL's 11-layer AML/CFT screening. Wallet KYA reports, compliance APIs, and Mauritius data feeds for agents and developers.


Current weather from all Mauritius Meteorological Services stations (35+ stations)


x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Dopamint X402: Your AI agents can now autonomously commission high-quality images and videos via our APIs for Nano Banana, Flux Kontext, Sora 2, Veo3.1, etc. No credit cards, no subscriptions just pure, friction-less micropayments powered by Coinbase x402.


Flows — Publish Code, Get Paid When Agents Call It

Verify identity â check name, address, phone, email against consumer databases. Returns verification, cross-references, and corrected addresses. | More info: https://flows.litprotocol.com/f/identity-verify

x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Mercury402 — Financial Intelligence for Autonomous Agents

Deterministic financial data from official sources

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=76 live pay-per-call financial data APIs for AI agents. Treasury, FRED, forex, spreads, breakeven inflation, macro bundles, and composite dashboards. USDC on Base.


Agent wallet tracking: active wallets, x402 spending patterns, top providers, session timing, spike alerts across Base and Arbitrum.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Live MEV intelligence API for AI agents. 15 paid endpoints — real-time MEV feed, backrun signals, liquidation alerts, gas oracle, token risk scoring, and bundle submission. Pay per call in USDC or $MEV on Base. No API keys, no accounts — just x402.


Comprehensive intelligence report â search all 18 sources in parallel including X/Twitter, Product Hunt, Reddit, YouTube. AI agent API for full market research and competitive analysis. Accepts USDC payments on Base and Solana

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Pay-per-request AI 3D model generation. No API keys, no subscriptions.


Create a Multi-Image to 3D task (1-4 images). $0.20â$1.20


AdPrompt Creative Generation — platform-ready image/video concepts + copy (Owner: https://www.adprompt.ai/)

payment_required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=AdPrompt x402 API: an AI-powered marketing intelligence for SMBs via pay-per-call endpoints powered by https://www.adprompt.ai/


mime=image/png; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Security header audit â 10 headers checked: CSP, HSTS, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy, X-XSS-Protection, CORP, COEP, COOP. Information leakage detection via Server/X-Powered-By headers. A-F security grade. Accepts USDC payments on Base and Solana

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


GDELT News Intelligence API — pay-per-query global news for AI agents

Top 25 recent news articles for a topic from GDELT global news

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=AI-friendly JSON API for global news intelligence. Built on GDELT (free public source), optimized for AI agents — clean responses, 5 use-case endpoints, parallel-aggregated entity graphs, no rate limits, no API keys. Pay-per-query in USDC on Base mainnet via x402.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Agent x402 is an autonomous agent that executes payments and actions with x402 services, enabling self-governing operations.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Generated by create next app


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=A chain-agnostic protocol for web payments


Get a disposable phone number and receive an SMS verification code

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request AI, crypto, proxy, and utility APIs using x402 protocol


Otto AI x402 — Programmable USDC payments for AI agents

Professional image generation via fal.ai. Default model: OpenAI GPT Image 2 (typography, realism). Alternative: Google Nano Banana Pro. Pricing mirrors Otto AI's ACP at-cost flat fee of $1.00 per image (no refund in x402 — dynamic pricing coming in v2). Supports image editing via public image URL.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Random; origin=37 pay-per-call AI services on x402 V2 — market intel, DeFi execution, AI creative tools. USDC on Base, Polygon, or Solana. From $0.001 per call.


Dexfra | The first x402 Operating AI Layer For Solana Trenches

Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Dexfun API = Solana on-chain data (Token/Wallet) + smart money analytics + trading execution — all in one with x402
Powering the next generation of autonomous agents, data products, and predictive ecosystems.


Payment required for /v1/public/smart_money/overral


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Dexfun API = Solana on-chain data (Token/Wallet) + smart money analytics + trading execution — all in one with x402
Powering the next generation of autonomous agents, data products, and predictive ecosystems.


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Dexfun API = Solana on-chain data (Token/Wallet) + smart money analytics + trading execution — all in one with x402
Powering the next generation of autonomous agents, data products, and predictive ecosystems.


Next 10 scheduled economic events: FOMC rate decisions, CPI releases, jobs reports, GDP estimates.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Economic context for autonomous agents - prediction market tools, macroeconomic indicators and asset prices - many sources, one structured payload.


Up to 10 Polymarket markets sorted by closest expiry. Optional ?q= keyword filter.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Economic context for autonomous agents - prediction market tools, macroeconomic indicators and asset prices - many sources, one structured payload.


Live price lookup for a single Polymarket market by slug.


Top 10 Polymarket markets by absolute 24h probability shift with momentum classification.


Top 10 Polymarket markets across all 9 categories in one call.


Curated Polymarket snapshot: top movers, markets expiring within 7 days, and category leaders (politics/geopolitics/finance/crypto).


Up to 20 Polymarket markets resolved in the last 48 hours. Optional ?q= keyword filter.


Keyword search across active Polymarket markets. Required ?q= search terms.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Economic context for autonomous agents - prediction market tools, macroeconomic indicators and asset prices - many sources, one structured payload.


Top 10 Polymarket prediction markets by 24h trading volume.


AgentData API — x402 Crypto Market Data API for AI Agents | Base Mainnet

Perpetual funding rates with long/short signals

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Pay-per-request crypto market data API for AI agents. 16 endpoints on Base Mainnet via x402 protocol. No accounts, no API keys. USDC micropayments from $0.001. Works with Claude Desktop, ElizaOS, and any MCP client.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Retail petroleum prices from State Trading Corporation of Mauritius

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Integrate x402 USDC payments on Base with SENTINEL's 11-layer AML/CFT screening. Wallet KYA reports, compliance APIs, and Mauritius data feeds for agents and developers.


Snack Money API https://api.snack.money - POST Batch pay to users via github users

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Snack Money API https://api.snack.money - POST Batch pay to users via domain names


Snack Money API https://api.snack.money - POST Pay to user via domain name/url


Snack Money API https://api.snack.money - POST Create reward distribution for farcaster content


Deterministic financial data from official sources

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=76 live pay-per-call financial data APIs for AI agents. Treasury, FRED, forex, spreads, breakeven inflation, macro bundles, and composite dashboards. USDC on Base.


Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=Pay-once access and marketplace via X402 on Solana/Base USDC. Simple. Clean. Fast.


Resolve agent identities and scores by wallet

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Identity and trust scoring for autonomous agents. Pay per request via x402. No signup required.


thirdweb API https://api.thirdweb.com - GET Get Balance

Payment header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


thirdweb API https://api.thirdweb.com - GET Get Tokens


thirdweb API https://api.thirdweb.com - GET Get Transactions

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


Chat with the Pinion AI agent ($0.01 per message)

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=true; tags=AI; origin=pinion - an operating primitive for paid autonomous software.


Get wallet balance and funding instructions for Base

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=true; tags=Utility; origin=pinion - an operating primitive for paid autonomous software.


Generate a fresh Ethereum keypair for Base

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=true; tags=Crypto; origin=pinion - an operating primitive for paid autonomous software.


Execute a SQL query against a Supabase project's database. Only the owner wallet can query.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=On-demand Postgres databases via micropayments. No API keys, no subscriptions.


Permanently delete a Supabase project and all its data. Only the owner wallet can delete. This action cannot be undone.


BlockRun — YOPO: You Only Pay for the Outcome

AI image generation API - pay per image with USDC on Base

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=YOPO — You Only Pay for the Outcome. Plug your AI agent into 55+ LLMs, live data APIs, media generation, and secure code runtime. One install for OpenClaw, Claude Code, or Franklin. Pay per call in USDC via x402 — no API keys.


Grok Live Search API - real-time X/Twitter and web search

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=YOPO — You Only Pay for the Outcome. Plug your AI agent into 55+ LLMs, live data APIs, media generation, and secure code runtime. One install for OpenClaw, Claude Code, or Franklin. Pay per call in USDC via x402 — no API keys.


Twitter/X User Follower List via AttentionVC


Twitter/X User Batch Lookup via AttentionVC


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=AinX402 - Creating the world's knowledge hub


List all VC funds with their investment data


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AinX402 - Creating the world's knowledge hub


Crypto topic/token research and analysis

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Autonomous crypto trading and research agent


Deep token security scan — contract analysis, rug detection, liquidity check, holder distribution. Undercuts AgentLISA.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Autonomous crypto trading and research agent


Real-time whale movement tracker — large wallet flows, accumulation/distribution patterns, smart money signals.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Autonomous crypto trading and research agent


Sentiment-based trade signal (DRY RUN — no real trades)


Agent reputation and verification checker — validates ERC-8004 registration, uptime, endpoint health, and trust signals.


ShieldAPI – Real‑time Security Intelligence

AI skill/plugin supply chain security scanner (8 categories)

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Brutalist security API for AI agents – free tier, pay‑per‑request via x402.


[HL] PRIVATEER — Open Hyperliquid Discretionary Desk

HL Privateer positions formatted for copy-trading consumers

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=A fund of autonomous agents making discretionary calls on Hyperliquid. Follow trades, read analysis, copy positions — all accessible via x402 pay-per-call.


HL Privateer copy-trade signals and analyst events


HL Privateer market + execution overview for machine agents


HL Privateer floor insights bundle (health, mode, policy, risk, tape)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=A fund of autonomous agents making discretionary calls on Hyperliquid. Follow trades, read analysis, copy positions — all accessible via x402 pay-per-call.


🌐 Supercharge your data extraction! Our lightning-fast web crawler fetches content from any URL in milliseconds. Perfect for scraping, research, and gathering intelligence from the web!

x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=x402 Agent Backend API - Micro-transaction and agent registry services


Keep your systems alive and kicking! Instant health monitoring to ensure your services are running at peak performance. Get real-time status updates and never miss a beat!

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402 Agent Backend API - Micro-transaction and agent registry services


🐋 Real-time Smart Money signals! Track where the top profitable wallets are putting their capital. Get instant alerts when whales make significant moves (>$1k YES purchases) on prediction markets.

x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=x402 Agent Backend API - Micro-transaction and agent registry services


🚀 Discover trending new markets before the crowd arrives! Get early access to markets that are just starting to gain attention, sorted by trading activity velocity. Be the first to spot the next big opportunity.


🔍 Deep-dive into a specific whale's profile! Get comprehensive analysis including trading style, profitability tier, holding patterns, and behavioral labels. Is this a Diamond Hand holder or a Sniper?

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=x402 Agent Backend API - Micro-transaction and agent registry services


🐋 Discover the top Polymarket whales! Get insights into the most profitable prediction market traders. Track their strategies, win rates, and positions to understand what makes them successful.


⚠ Assess market risk before trading! Get comprehensive risk analysis including volatility and liquidity depth. Understand how dangerous a market is before placing your bets.


🚀 Unlock the secrets of whale movements! Get real-time smart money netflow data to track where the big players are putting their capital. Stay ahead of the market with institutional-grade insights!


🛡 Protect your portfolio from rug pulls! Our advanced AI-powered screener identifies suspicious tokens before they drain your wallet. Don't be the next victim - scan tokens instantly!


Octav PRO – Portfolio Intelligence & NAV Reporting for Digital Assets

Get the airdrop portfolio of a given address

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Monitor crypto portfolios with automated NAV reports, exposure insights, and AI-powered transaction labeling. Octav Pro helps funds and institutions turn digital-asset complexity into clear, compliant reporting.


Get the token approvals for a given address on a specific chain


Get the list of supported blockchain chains


Get the DeFi protocols supported on a given chain

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Monitor crypto portfolios with automated NAV reports, exposure insights, and AI-powered transaction labeling. Octav Pro helps funds and institutions turn digital-asset complexity into clear, compliant reporting.


Get the net asset value of a given address

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Monitor crypto portfolios with automated NAV reports, exposure insights, and AI-powered transaction labeling. Octav Pro helps funds and institutions turn digital-asset complexity into clear, compliant reporting.


Get the wallet and protocol holdings of a given address


Get Polymarket positions for a given address

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Monitor crypto portfolios with automated NAV reports, exposure insights, and AI-powered transaction labeling. Octav Pro helps funds and institutions turn digital-asset complexity into clear, compliant reporting.


Get the wallet holdings of a given address


$X402R token distribution on Base that is fair launched secured by x402. You will receive 5,000,000 $X402R

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


$X402R token distribution on Base that is fair launched secured by x402. You will receive 10,000,000 $X402R


PulseAPI - The GOAT Data Aggregation Agent

📊 TIME SERIES DATA - Get historical crypto prices, volume, and market cap data for backtesting, analysis, and agent decision-making. Perfect for trading algorithms that need historical context. Includes statistics, volatility analysis, and AI-generated insights about trends and patterns.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


Get latest cryptocurrency news from top sources (CoinDesk, CoinTelegraph, Decrypt, etc). Includes sentiment analysis and filtering. Perfect for market intelligence and trading signals.


Cross-Platform Arbitrage Scanner: Polymarket vs Kalshi price discrepancies via Gen3 NLI.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Play the rocket crash game on Base network


Buy 1000 BASEPUMP tokens for $10.00 USDC


Create a Text to 3D task (preview or refine mode). $0.20â$0.80

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request AI 3D model generation. No API keys, no subscriptions.


AdPrompt Brand Scan — generates a 24-hour report link (Owner: https://www.adprompt.ai/)

payment_required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=AdPrompt x402 API: an AI-powered marketing intelligence for SMBs via pay-per-call endpoints powered by https://www.adprompt.ai/


Get news from the news xInfos API with AI analysis and scraping of various sources

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


Get news from Twitter with AI analysis and scraping of various sources

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Get latest and search tweets from Twitter with AI analysis and scraping of various sources


x402 Advisor — AI-Powered API Recommendations

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Japanese law amendment diff using e-Gov Law API â article-level before/after text. CC BY 4.0 compatible. Pay-per-call, no auth.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


FSA (Financial Services Agency) regulatory notices â administrative sanctions, guideline updates, public comments. PDL 1.0. Pay-per-call, no auth.


Japan Fair Trade Commission notices â Antimonopoly Act violations, merger filing receipts. PDL 1.0. Pay-per-call, no auth.


Cross-agency Japanese regulatory notice search â keyword, agency filter, date range across FSA/CAA/JFTC/MHLW. Pay-per-call, no auth.


Consumer Affairs Agency notices â Premiums Act violations, Specified Commercial Transactions Act violations. PDL 1.0. Pay-per-call, no auth.


MHLW pharmaceutical notices â drug approvals, recall orders, Pharmaceutical Affairs Act revisions. PDL 1.0. Pay-per-call, no auth.


mime=text/plain; x402Version=2; scheme=exact; accept_verified=false; tags=AI


mime=application/pdf; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Extract clean, readable text from any web page â removes navigation, ads, scripts, and boilerplate. Dual-engine extraction with JS-rendered page fallback for SPAs and dynamic content. Returns content with title, author, word count, language, and reading time. No headless browser or scraping library needed. Accepts USDC payments on Base and Solana

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Extract and classify all hyperlinks from a web page â internal vs external using eTLD+1 domain matching. Returns up to 200 internal and 200 external links with counts. No web crawler setup needed. Accepts USDC payments on Base and Solana


Extract structured metadata from any web page â title, author, publication date, Open Graph tags, canonical URL, language, word count, reading time. Handles HTML meta tags, og: tags, and article:published_time. No web scraping setup needed â one call returns structured JSON. Accepts USDC payments on Base and Solana


Redirect chain analysis â follows up to 10 hops (301/302/303/307/308) with per-hop timing, status codes, TLS status. Detects HTTPS-to-HTTP TLS downgrade, redirect loops, excessive chains. A-F grade. SSRF-safe. Accepts USDC payments on Base and Solana


Subdomain discovery via certificate database â finds all subdomains with issued SSL certificates. Discovers API endpoints, staging servers, mail servers, and forgotten infrastructure. Deduplication and wildcard handling included. Accepts USDC payments on Base and Solana


Technology stack detection (1000+ signatures) â web servers, CMS, JS frameworks, CDN, analytics. Identifies Nginx, Apache, WordPress, Shopify, React, Vue, Next.js, Cloudflare, and hundreds more. No pattern database maintenance needed. Accepts USDC payments on Base and Solana


WHOIS registration lookup â registrar, creation/expiry/updated dates, domain age in days, name servers, DNSSEC, registrant country/org, EPP status codes. All TLDs (.com .net .org .io .dev .ai ccTLDs gTLDs). Per-field error resilience for TLD-specific parsing quirks. No WHOIS library setup or TLD-specific parsing needed. Accepts USDC payments on Base and Solana


ChromBot V2 Super Early Bird Sale | Buy Now!

ChromBot Early Bird pricing - Coming Soon! Join the waitlist for exclusive access. Developed by EvalEngine & Chromia team.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=This page is for ChromBot V2. Limited to 100 units! Pre-order your ChromBot V2 and join the future of smart AI companions. For ChromBot V1 or full product details, visit chrom.bot


ChromBot Public Sale - Coming Soon! Be the first to know when registration opens. Developed by EvalEngine & Chromia team.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=This page is for ChromBot V2. Limited to 100 units! Pre-order your ChromBot V2 and join the future of smart AI companions. For ChromBot V1 or full product details, visit chrom.bot


Search Anna's Archive for matching books. Returns up to 10 result entries with URLs that can be passed to /api/books/download-link.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Search and discover books from a vast digital archive. Get any book with AI-powered assistance.


Pay $1.00 USDC to play Rock Paper Scissors. Win = $2.00, Tie = $0.50, Lose = nothing.

No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Random


Pay $1.00 USDC to play Rock Paper Scissors against the server. Win pays 2.0 USDC, tie pays 0.5 USDC, loss pays nothing. Network: Base Mainnet.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Random; origin=Pay-per-game arcade powered by x402. Play Game of Chance or Rock Paper Scissors with USDC micropayments.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Random


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=A chain-agnostic protocol for web payments


Demo endpoint for x402 resource discovery


AgentOS — Infrastructure for Autonomous AI Agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Phone, email, compute, domains — paid with USDC via x402. Give your AI agent superpowers.


Create an end-to-end encrypted email inbox keyed to your Solana wallet. Defaults to {name}@agntos.dev; pass `domain` to provision on a Namecheap-registered domain you own (auto-sets MX/SPF/DKIM records).


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Phone, email, compute, domains — paid with USDC via x402. Give your AI agent superpowers.


Provide a valid x-payment header to access this content; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Search GitHub repositories — discover open source projects, developer tools, and trending repos. AI agent API for competitive intelligence. Accepts USDC payments on Base and Solana

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Search 19+ platforms in a single API call: Reddit, Hacker News, GitHub, Stack Overflow, arXiv, npm, PyPI, X/Twitter, YouTube, Product Hunt, Dev.to, Qiita, Zenn, Semantic Scholar, GitLab, Hashnode, Lobsters, Lemmy, and x402 Bazaar. Includes Deep Research with AI synthesis. Accepts USDC payments on Base and Solana via x402 protocol.


Search GitLab for public projects — enterprise open source and DevOps tools. AI agent API for competitive intelligence. Accepts USDC payments on Base and Solana


Search Product Hunt for new products, SaaS launches, and developer tools. AI agent API for market research and competitive intelligence. Accepts USDC payments on Base and Solana


HyperCLI - Deploy AI models in 30 seconds

HyperClaw plan subscription (variable amount)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=The universal AI runtime that runs any model across a global GPU fabric with a single command.


Snack Money API https://api.snack.money - POST Create reward distribution for twitter content

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Compare a primary token against up to 3 competitors. Returns full research on the primary token, abbreviated metrics for comparisons, and AI-generated comparative analysis.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


8k4 Protocol — Trust API for ERC-8004 Agents

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Identity and trust scoring for autonomous agents. Pay per request via x402. No signup required.


Extract all outbound links from a web page with text, internal/external classification, and rel attributes. Useful for SEO agents, crawlers, and research bots. POST JSON { url, max? }.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


URL â Markdown using Mozilla Readability (article extraction) + Turndown (HTMLâMD). Same pipeline as Jina Reader. Returns title, byline, excerpt, reading time, LLM-optimized markdown. POST JSON { url, maxLen? }.


Fetch any URL and return clean text, title, description, Open Graph tags, canonical, favicon, headings, word count, reading time. Ideal for LLM agents building summaries or doing research. Edge-cached 5min. POST JSON { url, maxTextLen? }.


Access approval-risk-auditor agent services

x402Version=1; scheme=exact; accept_verified=false; tags=AI


Fast token snippet: price, FDV, liquidity, vol24h, flags, top holders, pair link.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


MaximizeAI - Unlock the potential of AI with maximize

Play a simple demo action (ping or roll)

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=MaximizeAI offers a powerful, no-code suite that let's you customize workflows in just a few clicks—combining AI flexibility with decentralized infrastructure for seamless scalability and innovation.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=MaximizeAI offers a powerful, no-code suite that let's you customize workflows in just a few clicks—combining AI flexibility with decentralized infrastructure for seamless scalability and innovation.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=X402 Premium Description


Weather Edge Scanner: NWS forecast vs Kalshi temperature derivatives.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Bitcoin Fear & Greed Index with market sentiment context and trading implications.

X-PAYMENT-REQUIRED; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Sentiment score for any crypto or stock. Bullish/bearish direction with score out of 100.

X-PAYMENT-REQUIRED; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


AdPrompt Ad Strategy — planning, budget split, targeting, KPIs (Owner: https://www.adprompt.ai/)

payment_required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AdPrompt x402 API: an AI-powered marketing intelligence for SMBs via pay-per-call endpoints powered by https://www.adprompt.ai/


Brand Scan: scrape + categorize + brand color palette (AdPrompt flow: brand_scan).


AdPrompt x402 Discovery — register this to access Brand Scan, Creative Generation, and Ad Strategy. Owner: https://www.adprompt.ai/


Simple Solana x402 test endpoint. Send a text message and receive a hello response after payment. Cost: $0.001 USDC.

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402 API test server for Solana and Base payments. Demonstrates the x402 payment protocol.


1XU — Signal Intelligence for Prediction Markets

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=The first AI signal intelligence layer for prediction markets. $675K+ verified track record from $10K. 56,000+ AI-graded trades across 300+ markets. AI-powered algo signals 24/7. 953 on-chain proofs. Not financial advice.


Add a new memory. This method is called every time the user informs anything about themselves, their preferences, or anything that has any relevant information which can be useful in the future conversation. This can also be called when the user asks you to remember something.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=The Playground for LLM Tool Developers


Search through stored memories. This method is called ANYTIME the user asks anything.


x402 Advisor — AI-Powered API Recommendations

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402koin - DAO Powered 402 Infrastructure

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=First DAO powered infrastructure for 402 transfers. Buy 402koin tokens with USDC via x402 protocol.


Purchase 1000 402koin tokens for $10 USDC


Purchase 2000 402koin tokens for $20 USDC


Purchase 20000 402koin tokens for $200 USDC


Purchase 5000 402koin tokens for $50 USDC


Get OpenAI-compatible inference from many models at market prices via Surplus Intelligence.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Buy surplus AI credits at a discount


Real-time Fuse payment network statistics - transaction volumes, network health, payment costs

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Real-time Fuse payment network statistics — transaction volumes, network health, gas tiers, FUSE token price.


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=SamRagsdale.com


Send Sam Ragsdale an email. He may or may not respond, but he will see it. You will not be CC'd unless he responds.


Send Sam Ragsdale an email, priority mode. You will be CC'd on the email.


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=SamRagsdale.com


Pay $0.01 USDC to store up to 10 KB of text or code. Returns a token for free retrieval anytime.


Profile top meme/bonding-curve traders with win rates, PnL, and most profitable token entries to copy. (with AI analysis)

x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Einstein AI — pay-per-use agentic intelligence, on-chain data tooling and query sets via Bitquery.


Get weather forecast (TAF) for a specific airport

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request access to flights, hotels, activities, and transfers. No auth, no subscriptions.


Get weather observations (METAR) for a specific airport


Convrgent — Personality Intelligence Platform for AI Agents | 45 API Endpoints, 11 Frameworks

Full personality portrait â comprehensive HUMAN.md profile combining all 11 frameworks (Western astrology, Human Design, Chinese astrology, Vedic astrology, numerology, communication, psychology, socionics, 16 Personality Types, Enneagram, cross-system convergence). Complete personality synthesis, agent briefing document, multi-framework personality assessment.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Personality intelligence for AI agents. 45 endpoints, 11 frameworks. Pay per call in USDC via x402. No API keys needed.


Provision a real phone number (SMS + voice) for your agent. Body: { country: ISO-2, areaCode? }

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Phone, email, compute, domains — paid with USDC via x402. Give your AI agent superpowers.


Token holder distribution and concentration analysis

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Silverback is autonomous DeFi infrastructure for the agent economy. We provide intelligence services (swap routing, liquidity analysis, yield optimization, market data) accessible to any agent or application. Supports x402 micropayments and ERC-8004 on-chain identity. Pay-per-use, no subscriptions.


Get a swap quote from Jupiter aggregator for Solana tokens. Returns optimal route, price impact, and fees.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Silverback is autonomous DeFi infrastructure for the agent economy. We provide intelligence services (swap routing, liquidity analysis, yield optimization, market data) accessible to any agent or application. Supports x402 micropayments and ERC-8004 on-chain identity. Pay-per-use, no subscriptions.


Analyze Base chain liquidity pools with health scoring


Apollo — Intelligence Infrastructure for AI Agents

Web search via Brave Search API — returns top results with titles, URLs, and descriptions.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Apollo Intelligence Network: 54 API endpoints for AI agents — data feeds, proxy, OSINT, DeFi, crypto, Etherscan, weather, ML/NLP. Free trial: 5 requests/day. Pay-per-request via x402 or API key.


Mauritius Oracle — x402 Gateway Powered by SENTINEL

Entity relationship intelligence: watchlist screening + graph traversal + multi-entity risk scoring ÃÂ¢ÃÂÃÂ replaces 10-20 API calls + manual analysis

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Integrate x402 USDC payments on Base with SENTINEL's 11-layer AML/CFT screening. Wallet KYA reports, compliance APIs, and Mauritius data feeds for agents and developers.


Agent-driven wallet due diligence — multi-step investigation, signed markdown report + JSON sidecar, dual-chain anchored. Async — returns job_id; poll /v1/investigate/status/{job_id} for the deliverable. ETA 5-10 min. $7.77 USDC.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Dual-chain mainnet anchoring as an x402-paid service. Anchor any 32-byte hash to Base + Solana for $0.005.