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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.
7945 listed6545 MCP servers356 A2A agents1044 x402 paid APIs1050 take x402 payments
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedproducts.openverbs.comAmazon product search API - search Amazon products / find products on Amazon by keyword (US). Live Amazon product data: ranked listings with ASIN, title, product URL, image, price range, currency, star rating, review count and Amazon's Cho… (4 paid endpoints on products.openverbs.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedprofessorsausages.comNewest headlines from a deduped, tiered 972-feed direct portfolio (primary sources + wires/majors + trade press + Hacker News + gated GDELT), newest first, up to 100 per call — filter by category, source, and language; every article carrie… (42 paid endpoints on x402.professorsausages.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedproof.platoskallipolis.comBefore an AI agent trusts or pays a public API, inspect its public machine-readable evidence and x402 readiness. Submit a public HTTPS domain to check its agent card, OpenAPI, robots policy, and settlement-aware x402 signals, or submit a B…
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Live · checked Oct 12, 2026x402Developer toolsCommunity listed · unclaimedproperty-risk-passport-api.lifebite-app.workers.devEvaluate a US property address for parcel match, FEMA flood zone, flood proximity, taxing entities, school district, permit history, zoning/land-use context, insurance red flags, due-diligence risk score, quality score, recommended next st…
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedproperty.payapi.marketUK street-level crime statistics by postcode (Police UK). (8 paid endpoints on property.payapi.market.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedproxy.0000402.xyzPay $0.01 USDC to make an outbound HTTP request through the proxy. Supports all standard HTTP methods, custom headers (including auth), and JSON or raw bodies. Responses are returned as text or base64-encoded binary. Max response size 10 M…
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedpulse.chainverdict.xyzAPI uptime and reliability monitoring for any x402 endpoint: a live quality verdict covering availability, uptime, latency percentiles, 402-offer conformance, price-drift and payTo-stability flags. Deterministic and re-verifiable. (5 paid endpoints on pulse.chainverdict.xyz.)
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Live · checked Oct 12, 2026x402ProductivityCommunity listed · unclaimedpuptra-pdf-snapshot.saastemly.comThe page's rendered content as Markdown. (5 paid endpoints on puptra-pdf-snapshot.saastemly.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedq402.quackai.aiPaid API that reads a full DAO proposal and returns a structured voting recommendation with reasons.
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Live · checked Oct 12, 2026x402ProductivityCommunity listed · unclaimedqist.infoConvert Gregorian dates to Hijri (Umm al-Qura calendar) and back. Returns day/month/year, Arabic and English month names, and a formatted Arabic date string. Essential for agents handling Islamic events, Ramadan, Hajj seasons, or Arabic do… (2 paid endpoints on api.qist.info.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedqonoro.aiValidates email deliverability: syntax check, MX record lookup, and SMTP server reachability. Returns risk score and quality rating. Deterministic, sub-second. x402-native. (5 paid endpoints on api.qonoro.ai.)
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Live · checked Oct 12, 2026x402Developer toolsCommunity listed · unclaimedqr-api-production-1836.up.railway.appGenerate a QR code PNG (returned base64-encoded in JSON) for any text or URL using default black-on-white styling. (4 paid endpoints on qr-api-production-1836.up.railway.app.)
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Live · checked Oct 12, 2026x402Developer toolsCommunity listed · unclaimedqr-code-generator.underscoredone.comSend a list of texts — website addresses, phone numbers, plain words, WiFi details, anything — and get back a ready-to-use QR code image for each one. Every QR code comes as a base64-encoded PNG you can drop straight into a webpage or save…
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Live · checked Oct 12, 2026x402Developer toolsCommunity listed · unclaimedqr.openverbs.comRender text (URL, vCard, Wi-Fi config, …) as a QR code — SVG string or PNG data URL. (3 paid endpoints on qr.openverbs.com.)
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Live · checked Oct 12, 2026x402ProductivityCommunity listed · unclaimedqr.reyn.toolsGenerate scannable QR codes from any text, URL, or structured payload (WiFi, vCard, SMS, email, geo, crypto). Returns PNG by default with JPG, WebP, and SVG output, plus optional error-correction, sizing, color, version, and encoding contr…
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Live · checked Oct 12, 2026x402Finance & marketsCommunity listed · unclaimedquantum.halowerk.comInterpolates a caller-supplied start and end temperature across a bounded number of steps using either a linear or geometric rule. It does not run an annealer, optimize a problem Hamiltonian or tune a schedule from hardware measurements. (10 paid endpoints on quantum.halowerk.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedquokkapix.comQuokkaPix image agent unlock for image-standard. Media stays local on the user's device.
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Live · checked Oct 12, 2026x402Finance & marketsCommunity listed · unclaimedquotient-api-gateway.onrender.comUse this to read published Quotient signals. Sports signals return one game-level pick and markets[] with every linked venue listing, its signal_side, price, and availability. No venue is primary or preferred. Missing quotes do not hide li… (14 paid endpoints on quotient-api-gateway.onrender.com.)
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Live · checked Oct 12, 2026x402OtherCommunity listed · unclaimedrandom.openverbs.comGenerate cryptographically-secure random bytes, returned as hex, base64 or base64url. (4 paid endpoints on random.openverbs.com.)
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Live · checked Oct 12, 2026x402Developer toolsCommunity listed · unclaimedrandomfactsx402.vercel.appReturns a single random fact as JSON in exchange for a micropayment.
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Live · checked Oct 12, 2026x402OtherCommunity listed · unclaimedrates.lonestaroracle.xyzUS bond-market signal: yield curve, credit spreads, real yields (no params)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedravn.exchangeRAVN — best-price swap quotes across 20 execution venues and 17 chains, including native (non-wrapped) Bitcoin as either source or destination. 0% protocol fee, non-custodial. Returns a quoteToken; pass it to POST /execute. (2 paid endpoints on app.ravn.exchange.)
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Live · checked Oct 12, 2026x402OtherCommunity listed · unclaimedreadability.openverbs.comSummarise a text's difficulty as a single consensus US grade level (averaging the five grade formulas), plus the Flesch Reading Ease, a plain-language difficulty band and an approximate age range. (4 paid endpoints on readability.openverbs.com.)
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedreadx.shSearch for tweets by query (optional product filter; paginate with cursor). Example: GET /api/search/tweets?q=typescript (12 paid endpoints on readx.sh.)
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedrealestate.lonestaroracle.xyzUS real estate and mortgage — 30yr/15yr fixed rates, ARM, housing starts, permits, Case-Shiller HPI
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedrecalls.recordsforagents.comSearch US federal product recalls (CPSC consumer products, FDA food/drug/device enforcement, USDA FSIS meat/poultry recalls, NHTSA vehicle campaigns) by free-text query, firm name, date range, and source. (2 paid endpoints on recalls.recordsforagents.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedrecipients-paywall.onrender.comEpisode 1 of recipients[], an ongoing AI-agent thriller serial: a short text episode (~370 words, markdown). An agent finds its own ID on a payment recipient list before the file even exists. $0.01 USDC on Base. Free teaser at /teaser.
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedreddit.apitoll.cloudReddit search scraper — keyword-search all of Reddit, or scope to one subreddit, for AI agents. Find posts matching any query, sorted by relevance, top, new, hot, or comments, with an optional time window. Returns each post’s title, author…
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedregime.nsgoods.orgCMC regime classification + strategy spec (USDC pay-per-call). Free preview: GET /regime/preview A bad or unsupported id returns 400; upstream failure returns 503; you are never charged for an error.
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Live · checked Oct 12, 2026x402OtherCommunity listed · unclaimedregimeshift.xyzBTC Volatility Risk Premium — DVOL minus Parkinson realized vol (72h). Positive = sell-vol opportunity, negative = buy-vol. Response includes regime classification (LOW/MID/HIGH), raw inputs for audit (DVOL, RV_72h, RV_6h, spot), timestamp… (4 paid endpoints on regimeshift.xyz.)
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