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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 · unclaimednewsgurus.aiNews Gurus Intel API — liveness probe: per-agent intelligence output counts over the last 24h with last-seen timestamps, across the 40+ data agents. Verify the engine is live before buying data — same price tier as /x402/regime. Educationa… (36 paid endpoints on api.newsgurus.ai.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimednl-cm-kg.aiOne paid call on nl-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt…
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimednode4all.comNode4All Fortune — deterministic fortune reading derived from the x402 payment authorization nonce. Flagship demo of the Node4All x402 v2 payment flow. Operator: Node4All (https://node4all.com). Currency: USDC on Base. (2 paid endpoints on api.node4all.com.)
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Live · checked Oct 12, 2026x402OtherCommunity listed · unclaimednumeral.openverbs.comSpell an integer out in English words, e.g. 123 → "one hundred twenty-three". Negatives are prefixed with "minus". (4 paid endpoints on numeral.openverbs.com.)
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedoassis.devWeb extraction: every output you ask for in `formats`, in one call. (5 paid endpoints on api.oassis.dev.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedobagents.vercel.appx402 OB Image Generator · Price $0.01 per generated image obagents.vercel.app GET Query Params // The primary text description of the image to generate. prompt: string; Example: https://obagents.vercel.app…
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedobeliskapp.ioSearch Obelisk's curated spy ad catalog when you need competitor creative examples by keyword, brand, or platform. Returns JSON ad cards. Use limit=1 for a cheap first call.
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedobol.danieldutoit.netBase network block status reconciled after payment across two pre-probed distinct-operator RPC endpoints
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Live · checked Oct 12, 2026x402Finance & marketsCommunity listed · unclaimedobserver.137-184-67-179.sslip.ioLive Bitcoin BTC-USD market-regime and risk evidence for autonomous AI agents, algorithmic systems, portfolio monitors, and quantitative workflows. Returns current market state and phase, coherence, commitment, pressure, derived directiona…
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedoceanalt.comDeep taint trace: follow funds upstream over multiple hops to see whether they touched illicit sources. (4 paid endpoints on oceanalt.com.)
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Live · checked Oct 12, 2026x402Developer toolsCommunity listed · unclaimedoffercheck.offercheck.workers.devRead any public web page as clean Markdown: main-content extraction (navigation, footers, scripts and hidden elements removed), headings, lists, tables, code blocks, links (absolute, deduplicated), images, plus title, description, canonica… (5 paid endpoints on offercheck.offercheck.workers.dev.)
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Live · checked Oct 12, 2026x402OtherCommunity listed · unclaimedoi.lonestaroracle.xyzFull OI report — all assets, all exchanges, 5-min delta
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedomardev.xyzExtract structured metadata from any URL: page title, meta description, Open Graph and Twitter Card tags, canonical URL, favicons, language, generator and robots directives, plus RSS/Atom feed links. Give it a URL, get back clean SEO and s… (2 paid endpoints on x402.omardev.xyz.)
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Live · checked Oct 12, 2026x402OtherCommunity listed · unclaimedonvexia.comTopic ranking. Ranked social topics for a window. Returns topics + window_hours. (3 paid endpoints on onvexia.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedopenwebninja-x402.vercel.appFetch current Amazon deals. (5 paid endpoints on openwebninja-x402.vercel.app.)
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Live · checked Oct 12, 2026x402OtherCommunity listed · unclaimedoptions.lonestaroracle.xyzOptions flow intelligence — unusual activity put/call ratios large block trades
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Live · checked Oct 12, 2026x402Trust & safetyCommunity listed · unclaimedoracleinsight.xyzPre-trade safety check: oracle-immune-system verdict for one trade, with verifiable EIP-712 attestation support. BLOCK verdicts are complete checks and are charged.
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedoraclepost.higgsfield.appCurrent gas conditions on Base, read live from a public node: gas price, base fee of the latest block, suggested priority fee, latest block number and timestamp. No parameters. No third-party API, no cache. (32 paid endpoints on oraclepost.higgsfield.app.)
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Live · checked Oct 12, 2026x402Legal & complianceCommunity listed · unclaimedoracles-production.up.railway.appFull stored detail for a single crypto & digital assets rule by Federal Register document ID (e.g. 'fedreg:2026-14090') — title, issuing agency, rule type, effective date, and 1-10 compliance-impact score. Covers digital asset, cryptocurre… (5 paid endpoints on oracles-production.up.railway.app.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedorcatrace.devPaid ($0.01 USDC via x402). Most recent Polymarket feed item — mover, whale entry (with calibration), or predetermined signal. Same shape as /v1/signal without ?index. Free index poll: GET /v1/index; free shape preview: GET /v1/sample. Com… (3 paid endpoints on api.orcatrace.dev.)
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedorchard-data.letom1176.workers.devCrypto fear & greed index (current + previous reading). JSON. (4 paid endpoints on orchard-data.letom1176.workers.dev.)
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedorchard-data.netlify.appMacro dashboard in one call: 13w/5y/10y/30y Treasury yields, dollar index, gold, WTI crude, VIX. JSON. (5 paid endpoints on orchard-data.netlify.app.)
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Live · checked Oct 12, 2026x402Developer toolsCommunity listed · unclaimedoutcomescout.vercel.appTurn a news headline into the matching Polymarket prediction markets to trade. One call returns the top markets ranked by relevance, each with live odds/implied probability, 24h drift, spread, on-book liquidity, volume, resolution date, an…
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedoverwing.aiOverwing guardrail: check text before you send, post, or act on it. Content moderation, PII detection, confidential leak detection, toxicity, self-harm and severity in ~150 ms. Returns a verdict plus one recommended_action (block / redact… (3 paid endpoints on overwing.ai.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedoyapicks.appOyaPicks: recently resolved prediction markets and their winning outcome (2 paid endpoints on oyapicks.app.)
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Live · checked Oct 12, 2026x402OtherCommunity listed · unclaimedozmium.orgLive prices from TWO labeled venues per symbol: Coinbase exchange spot (+ 24h stats) AND the gTrade venue leg { gains: { pairIndex, mark, index } } — mark is what fills on Gains, index is the oracle spot liquidations use. Same feeds the hu… (9 paid endpoints on ozmium.org.)
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Live · checked Oct 12, 2026x402Developer toolsCommunity listed · unclaimedpaket.halowerk.comTakes a file digest and answers which released package version it is. Useful for an artefact found in a container layer, a build directory or an attachment with no metadata attached. Hex and base64 input are both accepted and normalised, t… (2 paid endpoints on paket.halowerk.com.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedparallax402.comThe funnel, honestly, for one seller over the indexed window: settled USDC and purchases, distinct buyers, organic share after self-test exclusion, recurring buyers, buyer half-life and the facilitator mix. (2 paid endpoints on parallax402.com.)
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Live · checked Oct 12, 2026x402Finance & marketsCommunity listed · unclaimedparticle.proSearch entities. Find a person, company, or knowledge graph entity by free-text query — a name, partial name, nickname, stock ticker, @handle, or website domain. (19 paid endpoints on api.particle.pro.)
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Live · checked Oct 12, 2026x402OtherCommunity listed · unclaimedpassword.openverbs.comGenerate a secure random password (characters) or a wordlist passphrase. (2 paid endpoints on password.openverbs.com.)
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