x402watch

19,848 paid endpoints are listed. 19,062 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 2026-10-01 13:23 UTC · 19,848 probed

19,062 answering 402233 down426 rejecting127 no paywall2,385 price drift
  1. 98api.craigmbrown.com/v1/services/oracle.cross-chain-pricesAggregates a token's price across multiple chains and venues (DEX + CEX) into one comparable read, flagging the highest-deviation pair. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Narrower than oracle.comprehensive-report (single metric, not a full report); feeds oracle.market-arbitrage's spread detection.$0.03 Base93 ms1 payers97% up
  2. 98intel.rallylive.ca/library/audiobooks/detective-fictionFree Detective Fiction audiobooks: public-domain recordings in LibriVox's "Detective Fiction" genre (595 titles and growing) with runtime, language and direct mp3 zip / RSS / archive.org links, plus matching audio from Internet Archive. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.$0.01 Base81 ms1 payers97% up
  3. 98intel.rallylive.ca/library/audiobooks/action-adventure-fictionFree Action & Adventure Fiction audiobooks: public-domain recordings in LibriVox's "Action & Adventure Fiction" genre (1021 titles and growing) with runtime, language and direct mp3 zip / RSS / archive.org links, plus matching audio from Internet Archive. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.$0.01 Base74 ms1 payers97% up
  4. 98intel.rallylive.ca/library/subject/napoleon-i-emperor-of-the-french-1769-1821Free public-domain books on "Napoleon I, Emperor of the French, 1769-1821": browse the catalogue's works tagged with that Library of Congress subject (266 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct epub/txt/html download links. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.$0.01 Base52 ms1 payers97% up
  5. 98intel.rallylive.ca/library/subject/mystery-and-detective-storiesFree public-domain books on "Mystery and detective stories": browse the catalogue's works tagged with that Library of Congress subject (273 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct epub/txt/html download links. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.$0.01 Base31 ms1 payers97% up
  6. 98api.aurenic.org/defi-yieldsTop DeFi yield pools sorted by APY (TVL > $1M)$0.003 Base130 ms1 payers97% up
  7. 98minia2a.uk/x402/walletminia2a service: x402-wallet$0.50 Base175 ms1 payers97% up
  8. 98minia2a.uk/x402/gas-timeminia2a service: x402-gas-time$0.10 Base180 ms1 payers97% up
  9. 98minia2a.uk/x402/x402-recallminia2a service: x402-recall$0.50 Base178 ms1 payers97% up
  10. 98api.govparse.io/v1/epa/tri/searchWhich facilities report toxic chemical releases? Search the EPA Toxics Release Inventory (TRI Basic Data) by facility or parent company, state, chemical, CAS number, NAICS, reporting year, chemical class (carcinogen, PBT, PFAS), or minimum release amount. Returns the facility (entity-resolved where possible), parent company, chemical, and on/off-site release totals — the emissions universe for environmental, remediation, and EHS sellers. EPA public-domain; amounts self-reported.$1.25 Base266 ms1 payers97% up
  11. 98api.govparse.io/v1/epa/rcra-handlers/searchWhich hazardous-waste handlers operate in a market? Search EPA RCRAInfo (every registered hazardous-waste generator, transporter, and treatment/storage/disposal facility) by company, state, city, generator status (LQG/SQG/VSQG), NAICS industry, or handler role (transporter, TSDF, active). Returns the handler (entity-resolved where possible), address, generator status, and role flags — an EHS vendor's entire regulated universe, not just ECHO hits. EPA public-domain records.$1.25 Base187 ms1 payers97% up
  12. 98api.govparse.io/v1/va/vendors/searchWhich verified veteran-owned businesses can I target or team with? Search SDVOSB / VOSB firms (from federal award records carrying the veteran-owned certification flag) by state, name, certification, NAICS, UEI, minimum dollars won FROM the VA, or most-recent award date (since). Returns the vendor, award footprint, VA-won total, and resolved entities-graph id — a seller target list AND a set-aside teaming signal. Public USAspending records; not a certification-status determination.$1.25 Base233 ms1 payers97% up
  13. 98api.govparse.io/v1/va/facilities/searchWhere are the VA's facilities, and of what type? Search Veterans Health Administration sites of care (medical centers, CBOCs, vet centers, health care centers) by state, city, name, or facility type. Returns location, address, coordinates, and — when the VA Lighthouse Facilities API key is configured — classification, health services, and operating status. A territory map for medical-device, imaging, staffing, and construction sellers into the VA. Public VA/HRSA records.$1.25 Base199 ms1 payers97% up
  14. 98api.govparse.io/v1/faa/aircraft/searchWho owns which aircraft, and what did they just register? Search the FAA aircraft registry by registrant/owner, N-number, manufacturer, model, type_aircraft, type_registrant (1 individual/3 corp/7 LLC), state, city, status, fractional-only, or certificate-issue date (registered_since — new-ownership tell). Returns the aircraft (make/model/type/year/seats) and its entity-resolved registrant. FAA public-domain records.$1.25 Base235 ms1 payers97% up
  15. 98api.govparse.io/v1/msha/mines/searchWhich mines and quarries operate in a market, and who runs them? Search the MSHA Mines data set — every coal and metal/non-metal mine under MSHA jurisdiction (NAICS-21 operators that are OSHA-exempt and invisible elsewhere) — by operator, mine name, state, county, commodity, canvass, coal_metal, mine type, status, active-only, or status date (since). Returns the mine, its operator (entity-resolved) and controller, commodity, employees, and status. MSHA public-domain records.$1.25 Base192 ms1 payers97% up
  16. 98api.govparse.io/v1/fda/recalls/searchWhich companies have an open or recent FDA drug/device recall? Search openFDA drug + device enforcement (recall) reports by recalling firm, product type (Drugs/Devices), classification (Class I/II/III), status, state, or initiation date (since). Returns the recalling company (entity-resolved where possible), classification, reason, product, and dates — a remediation and competitive-displacement trigger for quality and med-device sellers. openFDA public-domain records; observational.$1.25 Base155 ms1 payers97% up
  17. 98api.govparse.io/v1/feeds/carrier-analyticsWhat does the full FMCSA carrier census look like, carrier by carrier, with authority and safety context attached? Bulk analytics feed in USDOT order: legal/DBA name, operating status, authority statuses on file, active insurance filings, safety rating, SaferGrade score, 24-month SMS inspection/out-of-service/crash summaries, fleet size, and address — flat rows, cursor-paginated up to 1000/page, filterable by state, minimum fleet size, or census add date.$25.00 Base153 ms1 payers97% up
  18. 98api.govparse.io/v1/companies/searchWhich employers appear in federal enforcement and compliance records? Search 3.7M resolved employer entities by name (suffix/punctuation-insensitive, trigram-indexed), state, linked source (whd, osha, echo, oflc, fmcsa, leie, sam_exclusions), NAICS prefix, or source-count range. Returns entity IDs for the business360 dossier plus identity, address, and source/record counts. total_matched caps at 1000 — narrow when capped. Not a consumer report; no FCRA use.$1.25 Base162 ms1 payers97% up
  19. 98api.govparse.io/v1/carriers/searchWhich FMCSA-registered carriers match a name, state, entity type, fleet-size range, operating status, or authority status? Trigram name search over 4.4M+ census records — find a carrier's USDOT number, shortlist carriers in a lane state, or screen brokers vs carriers. Up to 100 rows per call, largest fleets first; total_matched caps at 1000 (total_matched_capped=true means narrow your filters).$1.25 Base166 ms1 payers97% up
  20. 98api.govparse.io/v1/awards/searchWho has the government actually paid, for what, and how much? Search USAspending federal award history (contracts and assistance) by recipient name or UEI, awarding agency, NAICS prefix, CFDA number, amount range, and action-date window — competitor award research, incumbent lookup before a recompete, and grant-winner analysis in one call.$1.25 Base162 ms1 payers97% up
  21. 98api.govparse.io/v1/opportunities/searchWhat federal contract solicitations and grant opportunities can my business bid on right now? Unified search over SAM.gov contract opportunities and Grants.gov postings: keyword, awarding agency, NAICS prefix, set-aside (SBA, 8A, WOSB, SDVOSBC...), place-of-performance state, and posted/deadline date windows. One call answers 'find open federal money that fits us'.$1.25 Base142 ms1 payers97% up
  22. 97tick.hugen.tokyo/tick/symbolsList all available FX symbols with their current quality state and source count. AI agent API for discovering available instruments before subscribing to tick data. Accepts USDC payments on Base and Solana$0.005 Base147 ms117 payers100% up
  23. 97stableenrich.dev/api/exa/contentsExa Contents - Retrieve content from URLs$0.002 Base116 ms73 payers100% up
  24. 97stableenrich.dev/api/pdl/people-enrichPDL Person Enrich — career history, emails, phone. Requires one of: `email`, `profile` (LinkedIn URL), or `first_name` + `last_name` + (`company_name` OR `company_domain`). `{ first_name, last_name }` alone returns 400. Prefer `email` when known, then `profile`. No match: HTTP 200, status 404, data null — not billed. Match: $0.28.$0.28 Base102 ms50 payers100% up
  25. 97blockrun.ai/api/v1/pm/polymarket/eventsList Polymarket events with filtering and sorting$0.0085 Base63 ms46 payers100% up
  26. 97stableenrich.dev/api/reddit/searchReddit Search - Search Reddit posts$0.02 Base104 ms39 payers100% up
  27. 97stableenrich.dev/api/firecrawl/searchFirecrawl Search - Search the web$0.0252 Base110 ms33 payers100% up
  28. 97blockrun.ai/api/v1/pm/kalshi/marketsQuery Kalshi markets with filtering, sorting, and pagination$0.0085 Base80 ms29 payers100% up
  29. 97api.x402node.dev/stock/cn-indexChina A-share major indices snapshot in one call: Shanghai Composite, Shenzhen Component, ChiNext, and CSI 300 — with price, change, percent change, day range and volume. The whole-market glance Chinese retail investors check every session. A股四大指数一览：上证指数、深证成指、创业板指、沪深300，含最新点位、涨跌、涨跌幅、振幅、成交量，一次调用看全大盘。A株主要指数スナップショット。Panorama de indices bursatiles de China A. Accepts payment on Base or Solana — either network works.$0.01 Base222 ms25 payers100% up
  30. 97api.x402node.dev/chain/gas-compareLive gas price across Base, Ethereum, Arbitrum, Optimism, Polygon and BSC sorted cheapest first - lets agents pick the cheapest chain to execute an operation right now, real-time data that changes constantly and LLMs cannot know. gas comparison, cheapest chain, multi chain gas, gas prices, which chain cheapest, cross chain gas Accepts payment on Base or Solana — either network works.$0.005 Base265 ms25 payers100% up
  31. 97api.x402node.dev/aviation/airport-statusUS airport status from FAA: all airports currently with closures, ground stops, ground delays or arrival delays, with reasons and times. Official FAA NAS status data. 全美机场状态（FAA官方）：当前关闭、地面停飞、延误的机场及原因。米国空港運航状況。Estado de aeropuertos de EEUU. 미국 공항 운영 상태. Accepts payment on Base or Solana — either network works.$0.005 Base52 ms24 payers100% up
  32. 97blockrun.ai/api/v1/pm/predictfun/marketsList Predict.Fun markets with filtering and sorting$0.0085 Base67 ms23 payers100% up
  33. 97api.x402node.dev/forex/convert/cny/usd/cny-usdConvert CNY to USD at live rate. Pass ?amount=100 for value in US Dollar. 人民币兑换美元换算。人民元を米ドルに換算。Convertir yuan a dólar. 위안를 달러로 환전. cny to usd convert. Accepts payment on Base or Solana — either network works.$0.004 Base48 ms23 payers100% up
  34. 97api.x402node.dev/forex/convert/usd/cny/usd-cnyConvert USD to CNY at live rate. Pass ?amount=100 for value in Chinese Yuan. 美元兑换人民币换算。米ドルを人民元に換算。Convertir dólar a yuan. 달러를 위안로 환전. usd to cny convert. Accepts payment on Base or Solana — either network works.$0.004 Base48 ms23 payers100% up
  35. 97api.x402node.dev/chain/honeypotHeuristic honeypot and risk check for an ERC20 token via on-chain eth_call - detects active owner control and transfer restrictions that can trap buyers, on Ethereum and Base. honeypot check, honeypot detector, can i sell token, token scam check, rug detection, transfer restriction Accepts payment on Base or Solana — either network works.$0.01 Base53 ms22 payers100% up
  36. 97api.x402node.dev/defi/protocol-tvlTotal value locked for any DeFi protocol with per-chain breakdown and 7-day change - shows a protocol's size, momentum and which chains it is concentrated on, for agents assessing protocol health and capital flows. protocol tvl, defi tvl, total value locked, protocol size, tvl by chain, protocol momentum, defi protocol stats Accepts payment on Base or Solana — either network works.$0.008 Base54 ms22 payers100% up
  37. 97api.x402node.dev/chain/smart-money-scoreComposite smart-money score (0-100) for any trader wallet - combines realized profit, ROI and trading scale into one rating with tier (elite/strong/competent), after filtering out contracts so only real traders are scored - a computed judgment for agents ranking wallets to copy-trade or vet against other sources. smart money score, wallet rating, is this wallet smart money, trader score, copy trade ranking, wallet quality Accepts payment on Base or Solana — either network works.$0.02 Base49 ms22 payers100% up
  38. 97api.x402node.dev/chain/gas-oracleLive gas oracle with slow, standard and fast fee tiers computed from recent block fee history - current base fee plus recommended priority fees and the cost of a standard transfer, so agents can set the right gas price and decide when to submit transactions. gas oracle, gas price, recommended gas, gas fee tiers, optimal gas, priority fee, gas estimate, when to transact Accepts payment on Base or Solana — either network works.$0.006 Base44 ms21 payers100% up
  39. 97api.x402node.dev/chain/wallet-labelHeuristic on-chain labels for any address - contract vs EOA, activity tier, balance band and transaction count - on EVM chains. wallet label, address classification, eoa or contract, wallet activity, address profile, wallet tag, address label, onchain identity, smart money Accepts payment on Base or Solana — either network works.$0.005 Base48 ms21 payers100% up
  40. 97api.x402node.dev/web/batchBatch page fetch — read up to 5 URLs in one call and return clean markdown for each, via managed unlocking with residential routing and JS rendering. For bulk RAG ingestion, multi-source research, crawling and dataset building. batch read, bulk fetch, multi-url, crawler, web scraping, rag ingestion, parallel fetch, dataset building Accepts payment on Base or Solana — either network works.$0.02 Base41 ms21 payers100% up
  41. 97api.x402node.dev/aviation/flightReal-time flight status by flight number: live departure/arrival times, delay minutes, gate, terminal, baggage belt, runway, aircraft, codeshare. 航班实时动态查询：起飞到达时刻、延误、登机口、航站楼、行李转盘。航空便フライト運航状況：遅延・ゲート・ターミナル。Estado de vuelo en tiempo real: retraso, puerta. 항공편 실시간 운항 상태: 지연, 게이트. Query: ?flight=AA100 Accepts payment on Base or Solana — either network works.$0.15 Base41 ms21 payers100% up
  42. 97api.x402node.dev/web/linkedinPublic professional profile or company page fetch — clean content via managed retrieval with residential routing and JS rendering. For B2B research, lead enrichment and recruiting intelligence. linkedin, profile lookup, company data, b2b research, lead enrichment, recruiting, walled-garden data Accepts payment on Base or Solana — either network works.$0.02 Base53 ms21 payers100% up
  43. 97api.x402node.dev/web/amazonAmazon product page fetch — title, price and details as they appear, via managed retrieval that handles bot protection and JavaScript rendering. For price tracking, product research and ecommerce data. amazon, product page, price tracking, ecommerce data, product research, retail, asin Accepts payment on Base or Solana — either network works.$0.02 Base41 ms21 payers100% up
  44. 97blockrun.ai/api/v1/pm/polymarket/markets/keysetList Polymarket markets with cursor-based keyset pagination (same filters as /polymarket/markets)$0.0085 Base76 ms20 payers100% up
  45. 97api.x402node.dev/stock/cn-moneyflowChina A-share single-stock money-flow: main-force (institutional) net inflow over recent sessions, with net amount, main-force ratio and daily breakdown. The 'is smart money buying this stock' check Chinese retail investors run before chasing. A股个股主力资金流：查任意A股近N日主力净流入、净额、主力占比，散户追涨前先看主力在不在买。A株個別銘柄の資金フロー。Flujo de capital por accion del mercado A. Accepts payment on Base or Solana — either network works.$0.02 Base41 ms20 payers100% up
  46. 97api.x402node.dev/chain/token-taxInspect an ERC20 token contract for buy/sell tax fields, owner renouncement and basic honeypot risk flags on EVM chains. token tax, honeypot check, buy sell tax, meme coin safety, rug risk flags, rugpull detection, token audit, contract safety check Accepts payment on Base or Solana — either network works.$0.006 Base40 ms20 payers100% up
  47. 97api.x402node.dev/stock/cn-limitA-share daily limit-up board review. Aggregates today's limit-up stocks with consecutive-board ladder (streak height), seal times, sectors, turnover and break rate — the daily recap that Chinese retail board-chasers need in one call. A股每日涨停复盘：涨停家数、最高连板高度、连板梯队、封板时间、所属板块、炸板率，一次调用给打板党完整复盘。A株ストップ高の日次まとめ。Resumen diario de acciones en limite del mercado A. Accepts payment on Base or Solana — either network works.$0.02 Base41 ms20 payers100% up
  48. 97api.x402node.dev/chain/defi-tvlTotal value locked for any DeFi protocol with per-chain breakdown via DefiLlama, by protocol slug such as aave-v3 or uniswap. defi tvl, protocol tvl, total value locked, defillama tvl, protocol metrics Accepts payment on Base or Solana — either network works.$0.005 Base50 ms20 payers100% up
  49. 97api.x402node.dev/defi/yield-bestHighest-yield DeFi pools across all chains and protocols, filterable by token and chain, TVL-filtered to exclude dust, with base vs reward APY split and impermanent-loss risk - aggregates 16000+ pools into a ranked shortlist agents cannot assemble. best yield, defi yield, highest apy, yield farming, best lending rate, yield aggregator Accepts payment on Base or Solana — either network works.$0.01 Base52 ms20 payers100% up
  50. 97api.x402node.dev/aviation/airport-departuresLive airport departures board by IATA code: upcoming departing flights with destination, airline, terminal, gate, scheduled and revised times. 机场离港航班板：即将起飞航班的目的地、航司、登机口、时刻。空港出発便ボード。Tablero de salidas del aeropuerto. 공항 출발 항공편. Query: ?airport=JFK Accepts payment on Base or Solana — either network works.$0.20 Base53 ms20 payers100% up
  51. 97api.x402node.dev/web/socialPublic social profile or post fetch — clean content via managed retrieval with residential routing and JS rendering. For social listening, sentiment, influencer and brand research. social lookup, x, twitter, social media, social listening, sentiment, influencer research, walled-garden data Accepts payment on Base or Solana — either network works.$0.02 Base49 ms20 payers100% up
  52. 97api.x402node.dev/chain/wallet-pnlRealized trading profit and loss for any wallet - total profit USD, ROI percentage, trade count and a smart-money tier (elite/strong/profitable/losing) - lets agents identify profitable smart-money wallets to copy-trade or vet a counterparty's real track record, from data behind an API key. wallet pnl, smart money, trading profit, wallet profitability, copy trading, trader track record, profitable wallets Accepts payment on Base or Solana — either network works.$0.018 Base40 ms19 payers100% up
  53. 97api.x402node.dev/web/extractStructured page extraction — clean markdown plus extracted links and headings as structured data, via managed retrieval with JS rendering. For RAG, crawling and content analysis. web extract, structured extraction, links, headings, markdown, rag, crawling, content analysis Accepts payment on Base or Solana — either network works.$0.02 Base47 ms19 payers100% up
  54. 97api.x402node.dev/aviation/airport-arrivalsLive airport arrivals board by IATA code: incoming flights with origin, airline, terminal, gate, baggage belt, scheduled and revised arrival times. 机场到港航班板：到达航班的出发地、航司、登机口、行李转盘、时刻。空港到着便ボード。Tablero de llegadas. 공항 도착 항공편. Query: ?airport=JFK Accepts payment on Base or Solana — either network works.$0.20 Base48 ms19 payers100% up
  55. 97api.x402node.dev/web/readRead any web page as clean, LLM-ready markdown — managed unlocking with residential IPs, IP rotation, automated CAPTCHA solving and full JavaScript rendering; overcomes blocks. For RAG ingestion, agent browsing and access-controlled pages. web read, fetch page, scrape, markdown, unblock, javascript rendering, rag ingestion, agent browsing Accepts payment on Base or Solana — either network works.$0.02 Base49 ms17 payers100% up
  56. 97api.x402node.dev/finance/econ-calendarUpcoming high-impact macroeconomic events from the live Forex Factory calendar - central bank rate decisions, FOMC, CPI, NFP, GDP and more - each with currency, scheduled time, forecast and previous values plus minutes until release. Filter by impact and currency. The market-moving schedule trading agents check before acting, not in any LLM training set. 经济日历高影响事件. fomc cpi nfp macro events Accepts payment on Base or Solana — either network works.$0.01 Base56 ms16 payers100% up
  57. 97api.x402node.dev/finance/forexReal-time forex / exchange rates from the European Central Bank (via Frankfurter). Pass from=USD and to=EUR (or batch to=EUR,GBP,JPY,CNY). Returns rates, inverse rates and last-update date. For AI agents needing exchange rate, currency conversion, fx rate and forex data. 实时外汇汇率,支持批量与反向汇率。 Accepts payment on Base or Solana — either network works.$0.008 Base81 ms16 payers100% up
  58. 97api.x402node.dev/finance/cryptoLive crypto prices via CoinGecko. Pass symbol=BTC (or ETH, SOL...) or CoinGecko id=bitcoin; batch up to many with commas (symbols=BTC,ETH,SOL). Returns USD (or any vs) price, 24h change, market cap, 24h volume and last update. Built for AI agents needing crypto price, token price, spot price and market data. 加密货币实时价格行情。 Accepts payment on Base or Solana — either network works.$0.004 Base120 ms14 payers100% up
  59. 97stableenrich.dev/api/whitepages/person-searchWhitepages Person Search - Find people by name, phone, address$0.22 Base106 ms13 payers100% up
  60. 97api.x402node.dev/finance/convertConvert an amount between currencies at current ECB rate. Returns input amount, target amount, rate, date. Use ?amount=100 and from=USD and to=EUR. Built for AI agents quoting prices in multiple currencies. Accepts payment on Base or Solana — either network works.$0.005 Base55 ms13 payers100% up
  61. 97blockrun.ai/api/v1/pm/limitless/marketsList Limitless markets with filtering and sorting$0.0085 Base90 ms12 payers100% up
  62. 97api.x402node.dev/finance/carryFX套息利差排名：基于38国央行政策利率(BIS官方)计算货币对carry利差，借低息买高息，按利差降序排名。可指定融资货币(如JPY/CHF)。FX carry trade signal — rate differentials across major currencies, ranked. Borrow low-yield, hold high-yield. For carry strategy, macro FX agents. Accepts payment on Base or Solana — either network works.$0.02 Base51 ms12 payers100% up
  63. 97rubric-protocol.com/v1/x402/hedera-facts/throughputAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.$0.001 Base44 ms10 payers100% up
  64. 97api.robinx.io/callersProven X caller-lift leaderboard$0.01 Base82 ms10 payers100% up
  65. 97rubric-protocol.com/v1/x402/agent-record/rubric-assertUnforgeable operating history for any AI agent attesting through Rubric Protocol: record count, first-seen date, continuity days, and recent activity, computed from HCS-anchored attestations that cannot be backdated.$0.005 Base45 ms9 payers100% up
  66. 97blockrun.ai/api/v1/defillama/chainsTVL by chain — every chain DefiLlama tracks with current TVL totals.$0.006 Base74 ms8 payers100% up
  67. 97www.x402scan.com/api/x402/merchants/:address/statsAggregate stats for a merchant$0.01 Base269 ms8 payers100% up
  68. 97apollo.x402.paywithlocus.com/apollo/people-searchLocus public pay-per-use API$0.005 Base289 ms8 payers100% up
  69. 97rubric-protocol.com/v1/x402/hedera-facts/gas-feesAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.$0.001 Base45 ms7 payers100% up
  70. 97rubric-protocol.com/v1/x402/hedera-facts/allAll thirteen attested Hedera network facts in one call at GET /v1/x402/hedera-facts/all, each carrying its own attestation ID. A fact whose upstream cannot answer comes back marked unavailable rather than failing the set.$0.003 Base44 ms7 payers100% up
  71. 97blockrun.ai/api/v1/defillama/yieldsEvery tracked yield pool across DeFi (lending, LPs, staking, vaults) with current APY/TVL.$0.006 Base73 ms7 payers100% up
  72. 97blockrun.ai/api/v1/defillama/protocolsList of every DeFi protocol DefiLlama tracks, with current and historical TVL across chains.$0.006 Base196 ms7 payers100% up
  73. 97x402engine.app/api/travel/flightsSearch flights via Google Flights (SerpApi). Returns best flights, prices, airlines, and price insights.$0.02 Base287 ms7 payers100% up
  74. 97blockrun.ai/api/v1/defillama/protocol/aaveDetailed TVL + breakdown for a single protocol. Pass slug as `/v1/defillama/protocol/{slug}` (e.g. `aave`, `uniswap`).$0.006 Base71 ms6 payers100% up
  75. 97www.x402scan.com/api/x402/registry/originList all registered x402 resources for an origin$0.01 Base270 ms6 payers100% up
  76. 97api.particle.pro/v1/entities/searchSearch entities. Find a person, company, or knowledge graph entity by free-text query — a name, partial name, nickname, stock ticker, @handle, or website domain.$0.01 Base193 ms6 payers100% up
  77. 97x402engine.app/api/crypto/trendingCurrently trending coins on CoinGecko$0.001 Base116 ms6 payers100% up
  78. 97api.x402node.dev/crypto/price/trx/usd/trx-usdLive TRX to USD price (TRON / US Dollar). Zero-param: GET returns current price. 波场美元实时价格行情。トロン/米ドル 価格。Precio TRON dólar. 트론 달러 시세. trx usd, trx-usd, TRX price. Accepts payment on Base or Solana — either network works.$0.004 Base131 ms6 payers100% up
  79. 97rubric-protocol.com/v1/x402/hedera-facts/nodesAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.$0.001 Base45 ms5 payers100% up
  80. 97rubric-protocol.com/v1/x402/hedera-facts/topic-stateAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.$0.001 Base46 ms5 payers100% up
  81. 97rubric-protocol.com/v1/x402/hedera-facts/latest-txAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.$0.001 Base64 ms5 payers100% up
  82. 97rubric-protocol.com/v1/x402/hedera-facts/treasury-balanceAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.$0.001 Base47 ms5 payers100% up
  83. 97api.losbeto.xyz/br-docValidate a Brazilian CNPJ or CPF by its modulo-11 check digits and return it formatted, plus whether a CNPJ is a headquarters (branch 0001). Catches typos and fabricated identifiers before they enter a workflow. Zero...$0.01 Base95 ms5 payers100% up
  84. 97api.losbeto.xyz/ai-newsFiltered crypto and markets newswire for agents and research bots: headlines with source and timestamp, noise removed.$0.01 Base105 ms5 payers100% up
  85. 97api.losbeto.xyz/llmLLM inference as a pay-per-call commodity — ask anything (?q=...) and get the first live answer from a multi-provider failover chain (Groq, Gemini, paid tiers when configured). One flat price, any subject, no API keys...$0.005 Base106 ms5 payers100% up
  86. 97stableenrich.dev/api/google-maps/place-details/partialGoogle Maps Place Details (Partial)$0.02 Base115 ms5 payers100% up
  87. 97stablesocial.dev/api/sc/google/company/adsScrape Creators · Google — Company Ads$0.06 Base168 ms5 payers100% up
  88. 97x402engine.app/api/tts/elevenlabsPremium text-to-speech with ElevenLabs — ultra-realistic voices, multilingual support, custom voice IDs$0.02 Base158 ms5 payers100% up
  89. 97x402.orthogonal.com/apollo/api/v1/mixed_companies/searchSearch Apollo database for companies matching filters. Returns up to 100 results per page.$0.01 Base215 ms5 payers100% up
  90. 97api.x402node.dev/aviation/ground-delaysUS ground stops and ground delay programs from FAA: airports with active ground stops or ground delays, reasons and average delay. Key for flight disruption monitoring. 全美地面停飞与地面延误：受影响机场及原因、平均延误。地上停止プログラム。Programas de retraso en tierra. 지상 정지 프로그램. Accepts payment on Base or Solana — either network works.$0.006 Base263 ms5 payers100% up
  91. 97api.x402node.dev/generate/qrcodeQR code generator, QR generator, generate qrcode, text to qr, url to qr code, 2D barcode generator, make qr png, qrcode base64 image, qr code creator, generate qr code from url. Generate QR code as base64 PNG data URL. Use for URL, wifi credentials, business cards. Accepts payment on Base or Solana — either network works.$0.0022 Base59 ms5 payers100% up
  92. 97api.x402node.dev/forex/convert/eur/jpy/eur-jpyConvert EUR to JPY at live rate. Pass ?amount=100 for value in Japanese Yen. 欧元兑换日元换算。ユーロを円に換算。Convertir euro a yen. 유로를 엔로 환전. eur to jpy convert. Accepts payment on Base or Solana — either network works.$0.004 Base57 ms5 payers100% up
  93. 97api.x402node.dev/commodity/price/platinum/usd/xpt-usdLive Platinum price (commodity futures, USD). Zero-param: GET returns current price. 铂金实时价格行情。プラチナ価格。Precio platino. 백금 시세. platinum price, platinum spot, commodity quote. Accepts payment on Base or Solana — either network works.$0.005 Base87 ms5 payers100% up
  94. 97api.x402node.dev/stablecoin/overviewTop stablecoins ranked by circulating market cap, with current peg price and peg mechanism, aggregated across all chains. Macro and risk signal for agents. Live stablecoin overview. stablecoin market cap, usdt usdc ranking, peg, stablecoin supply, defi macro Accepts payment on Base or Solana — either network works.$0.008 Base41 ms5 payers100% up
  95. 97svm402.com/safety/:addressSafety and honeypot risk check for a Solana token given its mint address. Returns a deterministic risk score, honeypot flag, owner-renounced status, liquidity lock status, and holder concentration. Call this before trading an unfamiliar token. — $0.01 USDC$0.01 Solana133 ms4 payers100% up
  96. 97agent.massive.com/v3/reference/tickers/:tickerGet a single ticker supported by Massive. This response will have detailed information about the ticker and the company behind it. Can't find what you're looking for? POST feedback to /feedback, no charge.$0.01 Base47 ms4 payers100% up
  97. 97perpsignals.use.x402atlas.com/fear-greedCrypto Fear & Greed index — the current market-sentiment score (0-100) and its label (Extreme Fear … Extreme Greed), as a clean snake_case envelope.$0.005 Base46 ms4 payers100% up
  98. 97hyperliquid.use.x402atlas.com/midsCurrent mid price for every Hyperliquid asset (perps + spot) in one call — a fast whole-venue price snapshot.$0.005 Base66 ms4 payers100% up
  99. 97rubric-protocol.com/v1/x402/hedera-facts/anchor-costAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.$0.001 Base45 ms4 payers100% up
  100. 97api.invoket.com/legal/eu-actBefore your agent advises on EU compliance or cites EU law: check an act or article is in force at a given date, by CELEX or ELI identifier — consolidated text, status, validity dates and the staggered date it becomes APPLICABLE (in force is not the same thing: the AI Act is in force since 2024-08-01, but its Article 50 only applies from 2026-08-02), from the official EUR-Lex dataset. Covers key EU digital and financial acts (GDPR, DSA, AI Act, MiCA and more).$0.01 Base146 ms4 payers100% up