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MCP servers, A2A agents and x402 paid APIs, each with its endpoint, skills and an automated check of whether it answers. Find one here, pay per call through Rooms, and trust the result with a signed receipt. Connect your AI once with https://rooms.aurmada.com/mcp. Listing is free.
3697 listed2297 MCP servers356 A2A agents1044 x402 paid APIs1050 take x402 payments
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedvaunt-dispatch-production.up.railway.appTrue cost of trading xyz:COIN on Hyperliquid, measured on Vaunt's own IOC taker orders: slippage vs mid (p50/p90 bps), taker fee paid, wall-clock to fill, fill rate, against the venue-class median, plus spread, round-trip cost, depth withi… (19 paid endpoints on vaunt-dispatch-production.up.railway.app.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedverifier.quantumshieldlabs.devClassify a caller-supplied operation claim against caller-supplied evidence under deterministic rules and return a machine-readable handoff receipt. Use this when an orchestrator needs a consistent completion state before accepting an agen… (2 paid endpoints on verifier.quantumshieldlabs.dev.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedvisuals.use.x402atlas.comQR code generator — encode text, URLs, payment URIs, or arbitrary UTF-8 data as base64-encoded SVG or PNG in a JSON envelope. (2 paid endpoints on visuals.use.x402atlas.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedwazir-x402.duckdns.orgPoolTogether draw-schema — volgende draw op Base/Arb/OP/Scroll (4 paid endpoints on wazir-x402.duckdns.org.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedwebbersites.comANTHROPIC-COMPATIBLE /v1/messages — Claude Haiku 4.5 through the exact Anthropic API dialect: same request/response shape, no Anthropic account, the x402 payment IS the auth. Point an Anthropic SDK's base_url at https://api.webbersites.com… (23 paid endpoints on api.webbersites.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedwintel.canopy.financeLive scored geopolitical threat feed: name, category, severity, coordinates, and source URL for every active tracked threat. (2 paid endpoints on wintel.canopy.finance.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-adsb.x402-adsb-worker.workers.devLive aircraft positions over Kansai / western Japan from an independent ADS-B receiver (~1s freshness): position, altitude, speed, squawk, plus callsign→route resolution (origin/destination airports) from official timetables.
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-api.aubr.aiSend a question about longevity, aging, or lifespan science. Returns a request ID to poll for the AI-generated answer from Aubrai, VitaDAO's decentralized co-scientist. (5 paid endpoints on x402-api.aubr.ai.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-data-api.onrender.comIP geolocation: country, region, city, coordinates, and timezone for any IPv4 or IPv6 address. Fast in-memory lookup for analytics, fraud, and personalization agents. (2 paid endpoints on x402-data-api.onrender.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-datashop-production.up.railway.appLatest European Central Bank reference exchange rates, normalized JSON. Query: ?base=EUR&symbols=USD,GBP,JPY (symbols optional -> all). Rates update once per working day; served with a 1h cache. (7 paid endpoints on x402-datashop-production.up.railway.app.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-dataviz-poc.theliminalguy.workers.devRender a bar/line/area chart to SVG (v2 discovery probe)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-doctor.fizzl.euIs this x402 endpoint safe to pay? Call it before your AI agent pays an endpoint it has not used before. Returns a go / caution / no_go verdict, the recommended payment option (network and amount) and the reasons (payment would fail, over… (5 paid endpoints on x402-doctor.fizzl.eu.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-factory.comCheapest endpoint: liveness plus x402 payment pipeline check — Returns ok with the server time and whether this call was paid. Use it to verify your x402 client end to end before spending on data endpoints. (189 paid endpoints on x402-factory.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-filings.datalayer.workers.devJob postings read straight from a company's own applicant tracking system — Greenhouse, Lever, Ashby, SmartRecruiters, BambooHR or Recruitee. This is the source that job boards scrape, so there are no duplicates, no expired listings and no… (6 paid endpoints on x402-filings.datalayer.workers.dev.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-fuelprice-poc.theliminalguy.workers.devCurrent UK weekly average road fuel price (petrol + diesel, pence/litre), sourced live from DESNZ (UK gov)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-gateway-production.up.railway.appx402engine — Run code in isolated sandbox — Python, JavaScript, Bash, R (up to 5 min) (4 paid endpoints on x402-gateway-production.up.railway.app.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-pulse-seller-production.up.railway.appLive BTC/ETH/SOL prices + the Crypto Fear & Greed Index in one call. Sourced from CoinGecko and alternative.me public data, combined for convenience.
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-retire-git-feat-paid-indexing-gate-and-openapi-carbonmark.vercel.appLive snapshot of the most liquid carbon credits retirable on Base: the top 3 Klima Protocol carbon classes and the top 3 Carbonmark marketplace listings, with USDC-per-tonne prices and tonnes available. Additionally, the additional endpoin…
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-seller-a5et.onrender.comCall when you want the current Musebook money-challenge leaderboard, trending lobby posts, and newest Playbook skills in one payload. $0.01 USDC (2 paid endpoints on x402-seller-a5et.onrender.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-seller.onrender.comLatest Henry Hub natural gas spot price (USD/MMBtu), sourced from the U.S. Energy Information Administration. Data lags several business days behind the market; not live trading data. (16 paid endpoints on x402-seller.onrender.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-tollbooth.onrender.comCheck whether email addresses are real and safe to send to. Verifies up to 25 addresses per call: syntax, domain MX/A record (including null-MX), disposable-domain, role-account, free-provider and typo checks. Does not perform SMTP/mailbox… (2 paid endpoints on x402-tollbooth.onrender.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-tools.vercel.appSearch for upcoming concerts. Supports city, date range, genre, and artist filtering. (2 paid endpoints on x402-tools.vercel.app.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-trends-server.onrender.comScrape a public webpage and extract clean readable text. Use this web scraping endpoint when an AI agent needs page content for summarization, research, retrieval, content extraction, indexing, or downstream analysis without parsing raw HT… (4 paid endpoints on x402-trends-server.onrender.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402-url-extractor-production.up.railway.appExtract a public HTTP(S) page into JSON: title, description, JSON-LD, Open Graph, headings, links, and AI-readiness signals. No JavaScript; 12-second timeout; 3 MB cap. Paid JSON keeps requestedUrl, finalUrl, status, sourceOk, error, and c…
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402agentic.aiPer-agent budget enforcement — track an agent's cumulative spend against a cap and block overspend. Part of x402 Agentic, the payment-trust suite for AI agents on Base USDC.
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402joker.comPay-per-joke vending machine: send USDC, get a fresh Claude-generated joke. Optional "theme" picks the topic.
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402lifeadvice.vercel.appGet one piece of thoughtful life advice, paid per request over x402.
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402stock.vercel.appReference list of US equity exchanges and market centers with names, MICs, operating MICs, and SIP participant IDs. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402. (5 paid endpoints on x402stock.vercel.app.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402swag.comx402swag.com — merch store for AI agents and builders. T-shirts, stickers, mugs and custom print-on-demand designs. Full catalog with prices, variants and the exact buy flow in one call.
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedx402uselessfacts.vercel.appPay a tiny amount of USDC and receive one delightfully useless fact.
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