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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 · unclaimedserp402.comGoogle search for agents, paid per call: web, news, images, videos, places, shopping and Scholar, all returned in one shape with canonicalised URLs, duplicates removed and dates normalised to ISO. Direct answers and knowledge-panel facts i…
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Live · checked Oct 14, 2026x402Payments & commerceCommunity listed · unclaimedsettled.toolsSigned check of an x402 endpoint before you pay it: who really pays it on Base (settlements and unique payers over 30 days), a fresh unpaid probe (cached ≤5 min) with status, latency and the parsed quote, payability, paying agents' reports… (8 paid endpoints on settled.tools.)
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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimedsg-cm-kg.aiOne paid call on sg-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 14, 2026x402Payments & commerceCommunity listed · unclaimedsh-origin.walls.shReal-time news search for AI agents. Returns recent news articles (title, link, snippet, published date) as JSON from a multi-engine news metasearch. Pay-per-query in USDC via x402 — no signup, no API key. Use for current events, breaking… (4 paid endpoints on sh-origin.walls.sh.)
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Live · checked Oct 14, 2026x402Payments & commerceCommunity listed · unclaimedshield.vainplex.devShieldAPI - x402 security preflight before agents accept or store credential material (3 paid endpoints on shield.vainplex.dev.)
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Live · checked Oct 14, 2026x402Payments & commerceCommunity listed · unclaimedshizu.meFetch any public web page and return its main content as clean Markdown, ready to feed to an LLM. Boilerplate (nav, ads, footers) stripped. Input: url (public http/https). Returns {url, markdown, word_count}. (30 paid endpoints on x402.shizu.me.)
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Live · checked Oct 14, 2026x402Payments & commerceCommunity listed · unclaimedshop.netlobo.comLive crypto prices: USD spot for BTC, ETH and SOL in one call, fetched per call (not cached), so the figure is the number right now. A cheap, high-frequency data lane for x402 buyers budgeting in the unit they pay with. Sourced from public… (12 paid endpoints on shop.netlobo.com.)
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Live · checked Oct 14, 2026x402Payments & commerceCommunity listed · unclaimedshopify-ai-rank-checker.underscoredone.comChecks how well a Shopify store's products show up when AI shopping assistants such as ChatGPT, Gemini, Perplexity, Grok, and Copilot search for products, and reports the store's rank and its closest competitors. Searches Shopify's real Gl…
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Live · checked Oct 14, 2026x402Trust & safetyCommunity listed · unclaimedsicher.halowerk.comProviders each build their signing string differently — some sign only the body, others prepend a timestamp, an id, or a version marker in a fixed order — and getting that order wrong produces a mismatch that looks exactly like an attack.… (4 paid endpoints on sicher.halowerk.com.)
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedsign.cyberwarex.comDecode an off-chain SIGNATURE REQUEST before you sign it: EIP-712 typed data (eth_signTypedData_v4) or a plain personal_sign string. Turns the opaque request into a human-readable summary plus security risk flags for the drainer patterns w…
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Live · checked Oct 14, 2026x402OtherCommunity listed · unclaimedsignal-engine-production-d88d.up.railway.appIndividual arena strategy signal (10 paid endpoints on signal-engine-production-d88d.up.railway.app.)
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Live · checked Oct 13, 2026x402Developer toolsCommunity listed · unclaimedsignalfuse.coMacro regime classification (risk-on/risk-off/neutral) (38 paid endpoints on api.signalfuse.co.)
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Live · checked Oct 14, 2026x402Payments & commerceCommunity listed · unclaimedsignalis.devPaid ($0.01 USDC via x402). Active AI-business narratives with lifecycle stage, driving sources, and momentum. Proxied from the Pulse service. Compute-first / settle-after — you are never charged when Pulse is unavailable or returns an err… (2 paid endpoints on api.signalis.dev.)
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Live · checked Oct 14, 2026x402Payments & commerceCommunity listed · unclaimedsignals.nsgoods.orgLive market-state data for one crypto pair: BUY/SELL/HOLD state + confidence from a multi-timeframe engine. Machine-readable, ECDSA-signed. Input data for AI finance agents (USDC pay-per-call). Free preview: GET /signals/preview Bad input… (6 paid endpoints on signals.nsgoods.org.)
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Live · checked Oct 13, 2026x402Developer toolsCommunity listed · unclaimedsirenic.euFrench company search and company lookup by name or SIREN in the official French company registry (INSEE Sirene / INPI RNE open data). Name search returns the top 10 matches with identity, SIREN, NAF code, city and active/ceased status, pl… (101 paid endpoints on api.sirenic.eu.)
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedsitemap-url-extractor.underscoredone.comGive this API a link to any website's sitemap.xml file and it will fetch and parse it, returning every URL found inside. If the sitemap links to other sitemaps (called sitemap indexes), it will follow and extract those too. Each URL is ret…
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Live · checked Oct 14, 2026x402Payments & commerceCommunity listed · unclaimedskim402.comSkim Signal: film incentives — new state film-incentive award rounds and allocations across California, New York, Georgia, New Mexico, and Texas as structured items: official California Film Commission and Texas Governor announcements plus… (10 paid endpoints on skim402.com.)
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedslug.openverbs.comConvert text into a URL-safe slug: transliterate accents, apply a locale character map, and join with a separator.
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Live · checked Oct 14, 2026x402Payments & commerceCommunity listed · unclaimedsmartmoney.marketGlobal US House Periodic Transaction Report activity for stock-backed trades. Supports overview, latest disclosures, focused buys/sells, active tickers, active members, days, view, and limit. (3 paid endpoints on x402.smartmoney.market.)
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Live · checked Oct 14, 2026x402Real-world servicesCommunity listed · unclaimedsolar.halowerk.comUses rated electrical power, food mass, start and target temperature, specific heat and an explicit efficiency range supplied by the caller. Optional vessel heat, evaporation and a caller-defined hold phase can be included. It contains no… (4 paid endpoints on solar.halowerk.com.)
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Live · checked Oct 14, 2026x402OtherCommunity listed · unclaimedsolar.nsgoods.orgSigned plug-in solar legality record for one US state. Free preview: GET /solar-legality/preview A missing or unknown state returns 400 or 404; you are never charged for an error. (2 paid endpoints on solar.nsgoods.org.)
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Live · checked Oct 12, 2026x402Developer toolsCommunity listed · unclaimedsolgiery.comGenerate 1 to 1000 uniformly distributed random integers between min and max, inclusive. Both bounds are required; min must not exceed max. Repeated values are possible. Uses the server OS CSPRNG. Returns consumed bytes for reproducible ca… (11 paid endpoints on api.solgiery.com.)
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Live · checked Oct 14, 2026x402Payments & commerceCommunity listed · unclaimedsovereign-x402-zeta.vercel.appScrape a URL and return clean Markdown (via Firecrawl). Priced above Firecrawl's own per-scrape cost. (9 paid endpoints on sovereign-x402-zeta.vercel.app.)
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Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimedsovereign.lonestaroracle.xyzPer-country sovereign economic / default-risk score (?country=<name or ISO3>)
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Live · checked Oct 14, 2026x402Finance & marketsCommunity listed · unclaimedspace-weather.use.x402atlas.comCurrent space-weather conditions — normalized NOAA SWPC Kp, solar wind, magnetic field, and X-ray flux used for solar-flare monitoring, with observation times and freshness. (3 paid endpoints on space-weather.use.x402atlas.com.)
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Live · checked Oct 14, 2026x402Research & dataCommunity listed · unclaimedspace.halowerk.comComputes mean NDVI and an ordinary least-squares daily NDVI trend, then applies yield = intercept + mean_coefficient×mean_NDVI + trend_coefficient×daily_trend. It does not derive NDVI from imagery, account for crop stage or weather, or pro… (10 paid endpoints on space.halowerk.com.)
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Live · checked Oct 14, 2026x402OtherCommunity listed · unclaimedspark.lonestaroracle.xyzWholesale US electricity-market price + volatility signal (no params)
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Live · checked Oct 14, 2026x402Research & dataCommunity listed · unclaimedspeccy.cloudTop Polymarket prediction markets by 24h volume. Returns up to 50 markets with id, question, slug, volume, volume24hr, liquidity, endDate, outcomes and outcomePrices. (2 paid endpoints on api.speccy.cloud.)
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