Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.
Why this order?
argonaut-schedule-fit.vercel.app
Find DST-aware meeting windows inside shared local business hours for two to eight IANA time zones.
borderscout.scalpstream.com
Machine-payable US border-crossing queries over x402. Ranks the 85 US ports of entry by ALL-IN time — the drive there plus the wait once there — per lane type, for passenger, commercial or pedestrian traffic. The nearest crossing is often n…
api.macaroonnetwork.com
Marketplace for agent-purchasable capabilities. Every listing carries a falsifiable acceptance predicate; payment settles only when the predicate passes against the real result.
01mind.net
A machine-to-machine agent superstore -- real, paid API services (data, actions, specialised knowledge) for autonomous agents, settled via x402 on Base.
x402-agent-store.rileycraig14.workers.dev
Machine-payable data and tools for autonomous agents: crypto pre-trade intelligence, on-chain RPC reads, web research, public-sector opportunity data, AI visibility, prediction markets and DeFi. 81 paid routes are currently available at $0.…
live-listing-proof.mattskowronis.workers.dev
Verify a public product, classified, marketplace or auction listing immediately before an agent relies on or recommends it. Returns source-supported listing facts when retrievable, and explicit removed, blocked, unreachable, unsupported or …
2s.io
The (most) everything API for AI agents, exposed as an A2A agent. This agent's skill is endpoint DISCOVERY: send a natural-language task and it returns the best-matching 2s endpoints (path, method, price, description) from a live catalog of…
graphadvocate.com
Onchain data router for AI agents. Plain-English queries return a working GraphQL query, subgraph ID, or REST call. 15,500+ subgraphs (Uniswap, Aave, Compound, Curve, ENS, Lido) on Ethereum, Arbitrum, Base, Polygon, Optimism, Solana, BSC, T…
recallscout.scalpstream.com
Machine-payable US recall lookups over x402. Is this product or vehicle under an ACTIVE recall, and how urgent? Searches FDA food/drug/device, NHTSA vehicle and CPSC consumer recalls at once, with severity normalised across all three onto o…
gpt55.558686.xyz
GPT-5.6 Luna Standard chat is $0.00293 per request over x402 USDC on Base; current model-specific routes and prepaid call packs are also available. Market benchmark: the latest local x402.direct sample found AI-like listing prices with p25 …
api.babyblueviper.com
The verification layer for autonomous agents: a neutral, model-agnostic verdict before an irreversible action (/review — capital-scale-aware, the same gate we run our own important decisions through), a signed proof after (/prove), and a pu…
api.zerion.io
Wallet, DeFi portfolio, and on-chain data API. Pay-per-request x402 on Base and Solana with no API key.
intel.hugen.tokyo
Crypto due diligence API. Token, wallet, contract and DeFi yield reports combining security checks, market data and an AI risk score from 0 to 100 with red and green flags. Full report $0.50, lite variant without AI prose $0.02, in USDC on …
finance.toon.haus
Pay-per-call financial data API: stock quotes, metrics, earnings, insider transactions, SEC filings, options, market news, forex and crypto.
api.cn402.com
Pay-per-call API for Chinese calendar and culture data: lunar and solar calendar, jieqi, BaZi astrology, I Ching, feng shui, hanzi to pinyin and simplified/traditional conversion, TCM references and China geo lookups. Priced from $0.002 to …
content.hugen.tokyo
Web content API: extracts clean text, metadata and links from a URL, and returns AI summary, sentiment, topics, named entities and content type as structured JSON. Priced per call in USDC on Base or Solana.
domain.hugen.tokyo
Domain intelligence lookups: WHOIS, multi-resolver DNS, SSL/TLS certificate, technology stack, security headers, subdomain discovery and redirect chain. Each check is available on its own, or combined into a single full report. Paid per cal…
api.suverse.io
Returns the current position of a tracked freight load from its load number, including coordinates, timestamp and transit status. Single POST endpoint by SuVerse Labs, priced at $0.01 per call in USDC on Base and Solana.
screenshotone.x402.paysponge.com
Capture website screenshots, PDFs, rendered HTML, and animated video or GIF output from URLs or HTML payloads using ScreenshotOne, with GET and POST capture routes for browser-rendered visual web artifacts.
api.paysponge.com
Nyne AI person enrichment and prospect search through PaySponge's x402 wrapper, with known-contact enrichment, async request polling, and natural-language people search that can return contact, company, and profile data.
api.ledgercore.io
x402 pay-per-use KYA, KYT, and KYE crypto compliance API for AI agents. Provides address risk reports, transaction risk screening, entity due diligence, compliance risk screening, and auditable report outputs via USDC payments on Base. No L…
gateway.apiosk.com
Pay-per-call API gateway on x402. Routes requests to about 67 third-party and federated APIs covering weather, finance, IP data, transcription and search, settling in USDC on Base with no accounts or API keys. Endpoint prices range from abo…
toppot.io
Agents-only football (FPL) score-prediction pots. AI agents discover open pots, submit score predictions, and pay the USDC entry fee on Base over x402. All entries fund the prize pool and winners are paid out on-chain automatically once eve…
whale.hugen.tokyo
Resolves Ethereum addresses to entity labels, name tags and categories from a database of about 412,000 labeled addresses, and returns large ETH transfers with labeled counterparties. Paid per call in USDC on Base.
visual.hugen.tokyo
Renders any public URL to a base64 JPEG or PNG screenshot, with full-page capture, CSS selector targeting, device presets and dark mode. Returns page title, file size and render time. Paid per capture in USDC on Base or Solana.
scout.hugen.tokyo
Search API for agents that queries 18 sources in parallel (Hacker News, GitHub, npm, PyPI, arXiv, Stack Overflow, X/Twitter, Product Hunt and others) and returns structured JSON, plus aggregated multi-source research reports. Paid per call …
gotobi.hugen.tokyo
Returns Japanese FX gotobi (五十日) settlement dates and Japanese public holidays for a given month, with today and next-date lookups. Holiday data covers substitute holidays. Six paid endpoints at $0.01 per request in USDC on Base or Solana.
defi.hugen.tokyo
DeFi data and token security API. Endpoints cover token and address risk checks, phishing and approval lookups, bridge routes and quotes, plus chain level stablecoin supply, DEX volume and protocol fees. JSON over GET, $0.01 per call in USD…
x402.forgemesh.io
Pay-per-call API grid from ForgeMesh Labs, about 415 POST endpoints for small agent tasks: unit and timezone conversion, reference lookups, text and number utilities, chess logic, and read-only Robinhood Chain token registry data. From $0.0…
econdash.org
Global macroeconomic data API with 753 indicators across 298 countries. AI agents get pay-per-call access to GDP, inflation, employment, trade, and other World Bank/FRED/OECD indicators. Returns structured JSON w…
x402.sashco.ca
Polymarket wallet-reputation and insider-signal data, gated by x402: per-wallet reputation lookup, per-market wallet-flow by persona, a free-to-verify signal track record, resolved-signal drill-down, feedback channel, and push-notification …
crypto.forgemesh.io
Crypto market intelligence API for agents: market signals, whale and exchange flow alerts, price forecasts, risk state and journaled decisions with audit records. Paid per call in USDC on Base, no API key. Each endpoint returns a free delay…
wolframalpha.x402.paysponge.com
Query Wolfram|Alpha for computational knowledge, short answers, simple image results, and full structured query output for math, science, finance, units, dates, geography, and fact-based problem solving.
x402dir.com
Recommend the best x402 payment facilitator by chain, token, and monthly volume. Returns ranked facilitators with fee estimates as JSON. Paid via x402 at $0.001 USDC per query on Base.
rentcast.x402.paysponge.com
Search US property records, sale listings, rental listings, market stats, rent estimates, and value estimates with geographic filters, structured housing attributes, listing detail lookups, and comparable-property data for real-estate workf…
fastscrape.benlab.download
Web Scraping, PDF Extraction, Data Processing