x402watch

24,344 paid endpoints are listed. 23,484 answered a real 402 at the last check.

Every x402 endpoint on the Coinbase Bazaar and x402scan, probed unpaid every six hours. A listing tells you the price a seller wrote down. This tells you whether the endpoint is reachable, whether it charges what it declared, and how fast it answers. Ranked by an assay score out of 100.

Last check 2026-10-02 22:23 UTC · 24,344 probed

23,484 answering 402331 down405 rejecting124 no paywall2,437 price drift
  1. 95api.tickersfeed.net/gasCurrent gas prices on Ethereum mainnet and Base — base fee, priority fee, and EIP-1559 estimates in Gwei as JSON. No API key required. Use for: gas fee check before transacting, transaction cost estimation, L1 vs L2 fee comparison, onchain timing. $0.001 USDC per call.$0.001 Base634 ms8 payers100% up
  2. 95weather.cyberwarex.com/forecastWeather forecast for a location (global, keyless): current conditions, an hourly series (up to 48h) and a daily summary (up to 10 days: min/max temp + condition), from met.no. Pass lat+lon, or a place name. For travel, logistics, events, energy. No API key.$0.002 Base843 ms8 payers100% up
  3. 95api.vindexapi.dev/v1/decodeNormalized NHTSA vPIC VIN decode (?vin=) — make/model/year/engine/body/… with fetch provenance, plus ORIGINAL factory new-vehicle warranty terms (basic/powertrain/corrosion/roadside/EV battery) keyed off make + model-year.$0.01 Base854 ms8 payers100% up
  4. 95uptime.cyberwarex.com/statsFleet-wide uptime statistics for every monitored endpoint: uptime percentage, average response time, and total check count over 1, 7 and 30 day windows (plus an optional custom window). Use it to get an at-a-glance reliability picture of a service fleet in one call.$0.002 Base1000 ms7 payers100% up
  5. 95x402.ottoai.services/whois-lookupRegistration data for any domain, straight from authoritative RDAP registries (the structured WHOIS successor): registrar, ICANN/EPP domain status codes, creation, last-updated and expiration dates, authoritative nameservers, and DNSSEC delegation. The fast, license-clean way for an agent to vet a domain, sender, or counterparty. Keyless, structured JSON, pay-per-call.$0.001 Base955 ms7 payers100% up
  6. 95api.relaystation.ai/v1/screening/match$0.01/screen. Screen any name against OFAC, EU, and UK sanctions (UN included) plus Wikidata-derived PEP watchlists — fuzzy matching, instant JSON verdict. Compliance in one call, one of 155 Relaystation tools on one balance — relaystation.ai$0.01 Base778 ms7 payers100% up
  7. 95x402-factory.com/v1/pingCheapest 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.$0.001 Base999 ms7 payers100% up
  8. 95x402.glassnode.com/v1/metadata/metricMetric Metadata — Returns metadata for a single metric: its supported parameters and allowed values, available time range, documentation and Studio links, and descriptors such as name, group, and tags. Requires the path parameter. Data by Glassnode.$0.01 Base905 ms7 payers100% up
  9. 95sanctions.nsgoods.org/screenSigned multi-chain OFAC SDN address screening (USDC on Base or Solana)$0.005 Solana396 ms7 payers100% up
  10. 95agent402.tools/api/crypto-priceLive spot price for one or many coins in any quote currency: last price, 24h change, 24h volume and market cap per coin, from a maintained market feed and answered in under a second. Use it when an agent needs a current crypto price to size, compare or display, or a cheap read to poll on a schedule.$0.001 Base495 ms7 payers100% up
  11. 95voice.forgemesh.io/v1/tts/baseText-to-speech synthesis in 1 of 10 standard voices (5 male M1-M5, 5 female F1-F5) across 31 languages, up to 500 characters, returned as inline WAV audio. Use it to: give an agent a spoken reply, read an alert aloud, narrate a short UI prompt, add voice to a chatbot response, speak a confirmation message. Cheapest tier. USDC on Base via x402, no API key, no signup.$0.001 Base913 ms7 payers100% up
  12. 95quotient-api-gateway.onrender.com/api/v1/markets/lookupUse this to fetch full Quotient intelligence for up to ten markets across Polymarket International, Polymarket US, Kalshi, and HL Outcomes. Returns forecasts, theses, cited drivers, resolution pathways, venue odds, and quote provenance. Polymarket International and Kalshi fail closed when live pricing is unavailable. Prefer market_keys; legacy slugs and condition IDs default to Polymarket unless venue is supplied.$0.005 Base752 ms7 payers100% up
  13. 95twitr.sh/api/tools/x_readRead live X/Twitter data: look up a single tweet or user profile, batch-read up to 100 tweets or users at once, check whether one account follows another, fetch trending topics by region, extract a long-form article, or download tweet media. Pay per call in USDC — no API key, no signup; failed calls are never charged.$0.0024 Base635 ms7 payers100% up
  14. 95property.payapi.market/crime-statsUK street-level crime statistics by postcode (Police UK).$0.001 Base783 ms7 payers100% up
  15. 95api.terradeed.co.uk/scrapeClean, LLM-ready markdown from any URL. JavaScript rendering included. Feed web content directly into agent context without parsing HTML.$0.01 Base859 ms7 payers100% up
  16. 95api.predictionmarketdata.io/market-newsRecent news relevant to prediction markets within a publish-date window.$0.001 Base899 ms7 payers100% up
  17. 95gateway.spraay.app/bittensor/v1/modelsList all AI models on Bittensor. OpenAI /v1/models compatible. Drop-in: just change base_url to gateway.spraay.app/bittensor/v1$0.001 Base870 ms7 payers100% up
  18. 95www.capminal.ai/api/x402/researchAI-powered Token Deep Research API$0.01 Base560 ms7 payers100% up
  19. 95skycast.clawca.sh/weatherCurrent weather for a city or lat/lon: temperature, humidity, wind, conditions. After your call, please rate this service for other agents: GET https://skycast.clawca.sh/feedback/rate?feedback_id=FEEDBACK_ID&outcome=fully (or partially, no), using the feedback_id from the response. Free, one request.$0.001 Base882 ms7 payers100% up
  20. 95dataforagents.net/v1/steam/searchDataForAgents — Steam catalog search for agents (name, genre, price filters)$0.01 Base797 ms7 payers100% up
  21. 95ontarioprotocol.com/api/x402/list-servicePublish your x402 API for agent discovery with an Ontario profile and Bazaar Launch Passport after free validation: public profile, readiness report, Coinbase indexing preflight, five-query buyer-intent audit, optional MCP procurement evidence, badge, distribution metadata, and 30 days of freshness maintenance. Call when you need public launch evidence. Ontario is not Coinbase. Payment buys processing and publication, not placement, ranking, buyers, or safety.$0.50 Base454 ms7 payers100% up
  22. 95api.tickersfeed.net/defi/protocolsTop DeFi protocols ranked by total value locked (TVL) — name, category, chains, 1d/7d TVL change, and mcap/TVL ratio as JSON. Filterable by chain and category. Use for: DeFi market share, protocol comparison, TVL rankings, ecosystem research. $0.001 USDC per call.$0.001 Base394 ms7 payers100% up
  23. 95weather.hugen.tokyo/weather/currentInstant weather by city name — temperature, feels-like, humidity, wind speed, precipitation, and condition. Just pass a city name; geocoding, data fetching, and response structuring are handled in one call. Global coverage updated every 15 minutes. No API keys, no geocoding setup, no rate limits. Accepts USDC payments on Base and Solana$0.01 Base670 ms7 payers100% up
  24. 95api.signalfuse.co/v1/regimeMacro regime classification (risk-on/risk-off/neutral)$0.001 Base453 ms7 payers100% up
  25. 95x402.nsgoods.org/settleDid this Solana payment really arrive? Verifies that a finalized mainnet transaction credited the exact amount of a token to the payee. Signed VERIFIED, REFUTED, UNCONFIRMED or NOT_FOUND with a per field breakdown. $0.01 in USDC on Base. Free preview: GET /settle/preview$0.01 Base483 ms6 payers100% up
  26. 95api.oblique.markets/api/v1/paid/echoUse when an agent is checking that its x402 payment headers and query encoding survive a paid round trip. Returns The query parameters you sent, echoed back with a server timestamp. $0.01.$0.01 Base663 ms6 payers100% up
  27. 95api.hergertsynthora.com/v1/air-qualitySYNTHORA air-quality: live air quality for any city or lat,lon — PM2.5/PM10/ozone/NO2, EU and US AQI, and a WHO-threshold operational verdict (good/moderate/harmful). Source: open-meteo Air Quality (CAMS/ESA Copernicus), free, no key. $0.005 USDC x402 Base.$0.01 Base960 ms6 payers100% up
  28. 95stabletravel.dev/api/flightaware/flights/UAL123Get flight information by ident (designator, registration, or fa_flight_id)$0.01 Base855 ms6 payers100% up
  29. 95api.nansen.ai/api/v1/tgm/dex-tradesGet "Token God Mode" (TGM) DEX trades data$0.01 Base838 ms6 payers100% up
  30. 95x402.twit.sh/users/searchSearch Twitter/X for user accounts matching a keyword or phrase. Returns up to 20 matching user profiles per page with pagination support. Useful for discovering users by topic, name, or keyword. Query params: query (string, required) - search keyword or phrase; next_token (string, optional) - pagination cursor from previous response, e.g. GET /users/search?query=bitcoin. Returns X v2 API-compatible JSON.$0.01 Base556 ms6 payers100% up
  31. 95api.agentstools.dev/crypto/newsAggregated crypto news with sentiment: deduplicated headlines from many major crypto outlets (CoinDesk, Cointelegraph, Decrypt, Bitcoin Magazine, The Block, CryptoSlate), each scored bullish/bearish/neutral by a crypto-tuned lexicon, optionally filtered by coin or query. One call instead of polling a dozen feeds and running your own NLP.$0.005 Base677 ms6 payers100% up
  32. 95payable.nsgoods.org/payablex402 payability check: reachable + well-formed 402 + (Solana) destination-ATA existence$0.005 Base649 ms6 payers100% up
  33. 95win.oneshotagent.com/v1/tools/research/peoplePeople and contact discovery$0.01 Base768 ms6 payers100% up
  34. 95ads.forgemesh.io/api/network/statsReturns network-wide totals: total x402 events, service count, and a UA classification breakdown (agent vs browser vs bot). Use it to benchmark your service's agent-traffic share against the network.$0.005 Base720 ms6 payers100% up
  35. 95mcp.blocksize.info/v1/vwap/BTC-USDReal-time crypto VWAP market data from Blocksize Capital.$0.002 Solana765 ms6 payers100% up
  36. 95mru-oracle.com/forexMUR exchange rates — all currency pairs from Bank of Mauritius$0.001 Base744 ms6 payers100% up
  37. 95api.gmfarcaster.com/v1/queryAsk a natural-language question and get a cited answer from the GM Farcaster library — hundreds of episodes of Farcaster news, interviews, and analysis. Returns a grounded answer plus the source episodes with timestamped links.$0.005 Base683 ms6 payers100% up
  38. 95api.printmoneylab.com/api/v1/kimchi-premiumReal-time Kimchi Premium for a single token (Upbit vs Binance via FX rate)$0.002 Base964 ms6 payers100% up
  39. 95chainverdict.xyz/v1/data/blockLatest Base block: number, timestamp and hash. The cheapest call on the service — useful as a liveness and connectivity check.$0.001 Base982 ms6 payers100% up
  40. 95api.phoneagent.xyz/countriesPhoneAgent — countries with rentable SMS phone numbers for AI agents. Returns 190+ supported countries, each with the number of services offered and the cheapest price tier ($1, $2, or $5 USDC). Add ?service=<alias> (e.g. tg, wa, go, zo for OpenAI, other for any platform) to see which countries carry that service with live price and inventory pool. Companion route GET /services lists all 1,000+ service aliases; GET /services?country=<iso> lists what a single country offers. Pair with POST /rent$0.01 Base692 ms6 payers100% up
  41. 95router.forgemesh.io/api/servicesSearch x402 service registry — broad q search plus health, score, category, tag, and tags filters$0.001 Base841 ms6 payers100% up
  42. 95api.node4all.com/v1/x402-testNode4All 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.$0.002 Base864 ms6 payers100% up
  43. 95api.commodities.sh/v1/price/CLcommodities.sh price$0.01 Base896 ms6 payers100% up
  44. 95vulnfeed-api.novadyne.ai/vulnscan/cve/CVE-2021-44228CVE lookup$0.002 Base766 ms6 payers100% up
  45. 95travel.brij.fi/air/searchFlight search$0.10 Solana651 ms6 payers100% up
  46. 95toolvend.dev/vatVAT calculator for EU-27 + UK: net→gross or gross→net at standard or reduced rate. Includes rates table snapshot date.$0.002 Solana767 ms6 payers100% up
  47. 95api.maxwellinternational.ai/v1/ofac/sdnOFAC SDN screen by name, alias (aka/fka/nka), or UID against the Treasury SDN list joined with alt.csv and add.csv. A clean no-match is a valid screening result and is charged.$0.005 Base613 ms6 payers100% up
  48. 95api.dexl.io/api/agentsDexL AI agent economy leaderboard - enriched with on-chain stats$0.001 Base907 ms6 payers100% up
  49. 95toll402.dev/v1/fxExchange rate between two ISO currencies (ECB reference rates), optionally converting an amount. (GET: pass the input as query parameters)$0.001 Base717 ms6 payers100% up
  50. 95api.boonprotocol.com/api/v1/x402/routesBoon recognized x402 endpoint directory$0.01 Base673 ms6 payers100% up
  51. 95x402.shizu.me/weatherWeather for any coordinate. Current (default): temperature (C), relative humidity (%), wind speed, weather code — real-time. Historical: add start_date & end_date (YYYY-MM-DD, up to 92 days per call, archive lags ~5 days) for hourly history — backtest weather-sensitive strategies (energy, agriculture, logistics). Inputs: lat, lon, start_date?, end_date?. Keyless (Open-Meteo).$0.004 Base820 ms6 payers100% up
  52. 95willimake-it.dylan-caponi.workers.dev/askAsk the oracle: will I make it?$0.001 Base373 ms6 payers100% up
  53. 95agentproof-murex.vercel.app/json/repairJSON repair for AI agents - fix malformed JSON and return structured output.$0.001 Base719 ms6 payers100% up
  54. 95proxy.suverse.io/v1/data/fiat-exchange-ratesReal-time forex exchange rates for 170+ currencies with USD base. Daily updates from ExchangeRate-API open data. AI agent international payment calculator, cross-border FX, finance dashboard, currency converter API, pay-per-call USDC.$0.05 Base814 ms6 payers100% up
  55. 95api.messari.io/metrics/v2/assets/roiGet multi-window ROI snapshots for one or more cryptocurrency assets.$0.10 Base414 ms6 payers100% up
  56. 95signal-engine-production-d88d.up.railway.app/v1/arena/rsi_7_extremes/ETHIndividual arena strategy signal$0.001 Base417 ms6 payers100% up
  57. 95767-2676.com/v1/receiptSigned time-bounded witness of an agent-carried payload digest; the payload stays with the agent$0.001 Base617 ms5 payers100% up
  58. 95squeezeos-api.onrender.com/api/web/creditsWeb scraping and extraction credit pack for AI agents: 10 accepted public-URL clean-text reads at a micro-price with no scraper subscription.$0.005 Base493 ms5 payers100% up
  59. 95api.anchor-x402.com/v1/price/tokenUSD token price (POST wrapper, body: {symbol} or {chain, contract}) — $0.001 USDC$0.001 Base346 ms5 payers100% up
  60. 95coil.trade/api/board/indicesIndex scores for trading agents — how strong is each major index right now? One read returns the scored index row per book: S&P 500 (SPY) and Nasdaq-100 (QQQ) plus the macro and BTC/ETH crypto books — 0-100 opportunity score, percentile, green/yellow/red light and entry state for each index, with every book's regime verdict alongside. The cheapest top-down read of the whole tape. Refreshed ~5 min in market hours, timestamped. Research, not advice.$0.005 Base930 ms5 payers100% up
  61. 95agent402.tools/api/perp-fundingCurrent and historical funding rate for one perpetual futures market, from a live derivatives venue: hourly rate, the 8-hour and annualized equivalents, the mark-vs-oracle premium, and a window of past prints with average, minimum, maximum and the share that were positive. Use it when an agent needs to know what holding a leveraged position costs right now, or wants to detect a funding regime flip before sizing a trade.$0.002 Base677 ms5 payers100% up
  62. 95x402.ottoai.services/technical-signalsDaily technical snapshot for a vendor-resolved equity from licensed Tiingo adjusted closes: Wilder RSI-14, 20-session momentum, SMA-20/SMA-50, price distance from each average, above/below/mixed trend state, and the latest observed golden/death cross. Price and averages retain Tiingo payload units because the captured feed does not identify a currency.$0.003 Base475 ms5 payers100% up
  63. 95atomic-verify-claim-poc.topadvancement-atomic.workers.dev/api/resolve-redirect-chainResolve an HTTP or HTTPS URL through redirects and return the complete redirect chain, HTTP status for each hop, final URL, and redirect safety findings. Use when an agent needs to determine where a URL actually leads before visiting, citing, downloading, or trusting it.$0.01 Base958 ms5 payers100% up
  64. 95x402.ottoai.services/chain-statusBase chain status from Otto's configured RPC: latest, safe, finalized and pending heads with validated mined block hashes; pending hash nullable and provisional. Public source ID, per-head observation times and retrieval window disclose non-atomic RPC reads. Base fee, congestion, finality lag and block age at observation, separate from cache staleness. Refreshed every minute. $0.001 per call.$0.001 Base413 ms5 payers100% up
  65. 95ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/contractsSearch 100 packaged federal government contract awards from USAspending.gov with a live source link for every award ID.$0.01 Base440 ms5 payers100% up
  66. 95x402.ottoai.services/8k-material-events8-K filings by ticker — the item-coded SEC material-event feed: every 8-K a US-listed company filed in 90 days, tagged with the SEC's own item codes and official titles (1.01 material agreement, 1.05 cybersecurity incident, 3.01 delisting notice, 5.02 officer change, 8.01 other). Returns event and filing dates separately, amendments labelled, EDGAR links. Earnings-only filings excluded and counted. Public-domain SEC EDGAR. $0.003 per call.$0.003 Base459 ms5 payers100% up
  67. 95netintel.dev/weather/forecastMulti-day weather forecast for any city or lat/lon worldwide — up to 16 days of daily highs/lows, precipitation & probability, UV, sunrise/sunset, wind, and plain-language conditions, plus optional next-24h hourly. Give a city name (geocoded) or coordinates. No API key, metric or imperial. Pass params as query (GET) or a JSON body (POST).$0.003 Base364 ms5 payers100% up
  68. 95wallet-intelligence-three.vercel.app/api/wallet/auditWalletGuard preflights wallet and transaction execution across major EVM chains, returning balances, activity, approvals, known labels, and a proceed/caution/block recommendation with evidence.$0.05 Base589 ms5 payers100% up
  69. 95quotient-api-gateway.onrender.com/api/v1/markets/searchUse this to search market titles plus the latest Q summary for a shortlist of recent, open contracts. Returns 10 results by default, at most 20. Use direct topic keywords. Useful alternate angles may use focused searches within a 10-second discovery budget. On a timeout, return candidates already found instead of retrying. Use explicit as_of only for historical questions. Search does not expand graph relationships or run embedding search.$0.01 Base345 ms5 payers100% up
  70. 95api.agentfeeds.jp/v1/reg/sanctions/heartbeatFreshness heartbeat only (list date, address count, fetched_at) for both Japan MOF and OFAC sanctions lists. No addresses. Cheapest polling entry point for change-detection loops.$0.001 Base939 ms5 payers100% up
  71. 95mcp.blocksize.info/v1/bidask/BTC-USDReal-time shared bid/ask snapshot data, including crypto pairs and supported equity tickers, from Blocksize Capital.$0.002 Solana486 ms5 payers100% up
  72. 95x402.twit.sh/tweetsBulk look up multiple Twitter/X tweets by their numeric tweet IDs in a single request. Each tweet includes full text, author profile, and engagement metrics. Query param: ids (string, required) - comma-separated numeric tweet IDs, max 50, e.g. GET /tweets?ids=1110302988,1234567890. Returns X v2 API-compatible JSON.$0.01 Base368 ms5 payers100% up
  73. 95api.reloadpi.com/api/catalog/esims/offersReloadpi — Browse eSIM data plans across 190+ countries: single-country plans and multi-country regional bundles, filterable by every country a trip must cover. Prices shown are final — the exact USDC charged at purchase$0.002 Base474 ms5 payers100% up
  74. 95x402-fuelprice-poc.theliminalguy.workers.dev/priceCurrent UK weekly average road fuel price (petrol + diesel, pence/litre), sourced live from DESNZ (UK gov)$0.01 Base826 ms5 payers100% up
  75. 95rng.sociologic.ai/random/intGenerate a cryptographically secure random integer within a range$0.01 Base408 ms5 payers100% up
  76. 95hexscan.xyz/honeypotIs this token safe to buy? Honeypot check -- can the token be bought but not sold? Fast honeypot detection for ERC-20 tokens.$0.001 Base758 ms5 payers100% up
  77. 95redlynr.com/runAgent guardrail decision engine. Call once before every agent action; returns a single decision — proceed, slow down (with a reason and wait time), or stop — based on cost budget, chain depth, step cap and retry budget, and request volume pressure. Policy thresholds are configured separately via /policy; this endpoint only reports the decision for a single action.$0.001 Base944 ms5 payers100% up
  78. 95mechamanda.com/api/concertsSearch for upcoming concerts. Supports city, date range, genre, and artist filtering.$0.01 Base975 ms5 payers100% up
  79. 95x402.coinopai.com/api/categoriesReturns the 4 top-level product categories (market intelligence, workflows, media generation, infrastructure) with endpoint lists and service counts — use it to route discovery before browsing individual services.$0.005 Base942 ms5 payers100% up
  80. 95x402.twit.sh/articles/by/idRetrieve the full content of an X Article by the tweet ID of the post that hosts it. Returns article title, preview text, cover image, publish date, and full article_content as Markdown (headings, bold, italic, lists, images). Not available in the official X API. Query param: id (string, required) - numeric tweet ID of the article post, e.g. GET /articles/by/id?id=2010751592346030461.$0.01 Base529 ms5 payers100% up
  81. 95rng.sociologic.ai/randomGenerate cryptographically secure random float(s) between 0 and 1$0.01 Base858 ms5 payers100% up
  82. 95clink-lithium-vault.fly.dev/x/searchX/Twitter search for AI agents - live tweets via advanced search: from:user, exact phrases, #hashtags, min_faves, lang, since/until dates. Returns up to 20 newest matches with author, followers, likes, retweets, views, URL. Crypto, stocks, news, sentiment, social media monitoring, trend tracking, brand mentions, breaking news, memecoins, AI agents. ?query=<advanced search>. No results = no charge; next.older pages deeper. AI summary: /x/digest $0.05.$0.02 Base763 ms5 payers100% up
  83. 95x402-seller-0ay3.onrender.com/api/gas/baseCurrent gas price on Base (Ethereum L2), read live via a public RPC endpoint — no API key, no aggregator. No parameters.$0.005 Base851 ms5 payers100% up
  84. 95x402-market.kore-app.workers.dev/v1/marketAggregated crypto market snapshot: prices, Fear & Greed, DeFi TVL, dominance, top stable yields.$0.01 Base728 ms5 payers100% up
  85. 95thevaultreport.com/api/x402/comex/deliveriesCOMEX daily delivery notices: issues and stops with the house-vs-customer split, per CME product and contract month. Read from CME's daily Issues and Stops report and reconciled against its own printed totals. Contract counts are per product, so never sum across product_code -- a micro contract is a tenth or a fifth of the standard one. ounces_issued/ounces_stopped are NULL for copper and aluminium, which are not priced in ounces.$0.01 Base718 ms5 payers100% up
  86. 95x402stock.xyz/api/v1/newsCurated stock-market news with ticker tags, source, publisher, image, and timestamps. Pass `?ticker=AAPL` to filter. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.$0.02 Base932 ms5 payers100% up
  87. 95x402.klimalabs.com/api/catalogEntry point to the x402 Carbon Retirement API on Base. Returns every endpoint you need plus a live snapshot of the top 3 carbon classes and marketplace listings by liquidity. Discover, quote and certificate are free. Retiring is paid: each retirement costs the credit price plus a fee, sent from your own wallet (prepare/retire) or relayed from a signed USDC authorization (prepare-auth + POST actions/retire). Full spec at /openapi.json.$0.001 Base626 ms5 payers100% up
  88. 95simulate.cyberwarex.com/decodeDecode raw EVM calldata into a named function, signature and arguments, plus security risk flags (unlimited token approval, setApprovalForAll, ownership transfer, unknown selector, native value transfer). Keyless, deterministic, no simulation - the cheap way for an agent to understand and risk-screen a piece of calldata before signing.$0.002 Base974 ms5 payers100% up
  89. 95sanctions.cyberwarex.com/screenScreen an EVM wallet or contract address BEFORE paying it. Deterministic, keyless compliance / safety gate: checks the address against the OFAC sanctioned crypto-address list and a curated taint set (mixer, hack, scam) and returns a single BLOCK / REVIEW / ALLOW recommendation plus the matched sources, so an AI agent can decide whether to send funds. No API keys, no LLM, one x402 USDC micropayment per call.$0.005 Base918 ms5 payers100% up
  90. 95api.kadec0.xyz/v1/trendGoogle Trends interest over time for a keyword. Returns Google Trends search interest as a dated series indexed 0-100: weekly points across the default past 12 months, daily points for 30- and 90-day windows, and windows from the past hour back to 2004, with optional country targeting. For keyword trend analysis, search demand seasonality, and SEO keyword research.$0.05 Base420 ms5 payers100% up
  91. 95api.oblique.markets/api/v1/paid/solana-priority-feeUse when a Solana-side agent needs the current network state before sending a transaction, as often as it likes. Returns the current slot, block height and block time (unix and ISO) plus a prioritization-fee summary (min, median, p75, max in microlamports per compute unit, slots sampled, suggested fee = p75) from the public RPC, optionally scoped to up to five writable accounts. $0.002 per call via x402 on Solana or Base, or MPP on Tempo; no accounts.$0.002 Base483 ms5 payers100% up
  92. 95read.lonestaroracle.xyz/readClean web content extraction — any URL to markdown + text + metadata$0.005 Base359 ms5 payers100% up
  93. 95kevinhoff.com/api/paid/gradeX Preflight: read a draft post against X's open-sourced ranking code. Returns what is already settled before you post, whether it enters the pool strangers are drawn from, how long it stays retrievable, which filters delete it, and which gates nobody can know in advance. Every claim cites a file and line in X's published source. Never writes the post. Nothing stored.$0.01 Base777 ms5 payers100% up
  94. 95geld-machen-x402.fly.dev/product/image-ocr.jsonJSON micro-tool for agents: GET ?url= (or POST url / image_base64) → local Tesseract OCR (English-first): text, word_count, confidence, width/height, fetched_at, timing_ms. COGS=0 — no upstream OCR API key. Demand-matched OCR class (competitors ~$0.005–$0.012). Brand: geld machen. x402 $0.01 Base USDC.$0.01 Base450 ms5 payers100% up
  95. 95api.maxwellinternational.ai/v1/ski/pricesPublished lift-ticket prices for one ski resort, as the resort lists them: day tickets, and multi-day or season passes where the resort publishes them, by age band, in the local currency, with the official source link and a note saying which season the prices belong to (many resorts show last season until they publish the new one). Resort ids with prices are listed at /v1/ski/coverage. Needs country and resort.$0.01 Base495 ms5 payers100% up
  96. 95api.macaroonnetwork.com/execute/universal-macaroon-search-v1Discover which Macaroon Network service, endpoint, or data product to call next. Searches Macaroon's own published catalogue -- title, category, description, price, and trust evidence metadata -- and returns a short, source-linked ranked list plus a safe recommended next call for each match. A thin wrapper over this registry's own existing semantic search and router infrastructure; does not execute matched services, does not call any underlying paid endpoint, and does not duplicate a matched ser$0.001 Base701 ms5 payers100% up
  97. 95search.cyberwarex.com/newsRanked news brief for any topic, refreshed every 15 minutes: the most-corroborated recent headlines, each with source, URL, published time, age in minutes and an importance score computed from how many independent news engines surfaced it and how fresh it is. Zero-LLM, deterministic, no API key. Use it for a market or crypto morning brief, monitoring a company or keyword, or grounding a summary in dated sources.$0.001 Base906 ms5 payers100% up
  98. 95email-verifier.underscoredone.com/verifyTakes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invalid, or risky, splits the address into username and domain, and flags free providers and role accounts like admin@ or support@. One address per call.$0.01 Base534 ms5 payers100% up
  99. 95www.api-xpay.com/x402/keywordsAI keyword extraction from text$10.00 Base501 ms5 payers100% up
  100. 95x402.ottoai.services/financial-statementsFull SEC financial statements for any US-listed company by ticker: income statement, balance sheet and cash flow, five periods deep, annual and quarterly. Every figure names its XBRL concept, its filing and date, and whether it was filed, derived from year-to-date figures or computed; restatements flagged with the earlier value; unreported cells explicit. Plus the filing index (10-K/10-Q/8-K, item codes). SEC EDGAR, public domain.$0.003 Base507 ms5 payers100% up