x402watch

52,644 paid endpoints are listed. 27,290 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 2026-10-09 06:29 UTC · 52,644 probed

27,290 answering 40220,119 down4,243 rejecting992 no paywall1,829 price drift
  1. 89defi-llama-tvl-ranking.hergertsynthora.com/serviceSYNTHORA defi-llama-tvl-ranking: Top DeFi protocols by TVL with rank, chain, category and 1d/7d change, capped list (default 50, max 200 via {"limit":N}). Source: api.llama.fi/prot$0.01 Base544 ms–100% up
  2. 89air-quality.hergertsynthora.com/serviceSYNTHORA 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-$0.01 Base557 ms–100% up
  3. 89bitcoin-fees.hergertsynthora.com/serviceSYNTHORA bitcoin-fees: Bitcoin fee tiers in sat/vB (fastest/half-hour/hour/economy/minimum) plus current block height. Source: mempool.space public API, keyless. Bitcoin only.$0.01 Base510 ms–100% up
  4. 89defi-yields.hergertsynthora.com/serviceSYNTHORA defi-yields: stablecoin DeFi yields ranked with a risk outlier detector — APY vs class median (>=3x median = the excess yield IS the risk price). Only pools with TVL >= $1$0.01 Base637 ms–100% up
  5. 89api.gentechlabs.net/v1/defender/classify/43114/0x8e53ad52980478794bb5b459b7cbdd836975e4cbAirdrop & dust-token defense: classify any token as KNOWN/SUSPICIOUS (homoglyph impersonation, no liquidity), quarantine flagged tokens, and get safe burn calldata. Protect your wa$0.01 Base470 ms–100% up
  6. 89api.gentechlabs.net/v1/routeRoute across registered model providers with x402 settlement (MSS v2 Sovereign Router)$0.05 Base457 ms–100% up
  7. 89api.gentechlabs.net/v1/lineage/guardData lineage blast-radius guard: 'what breaks if I drop/change this table?' Walks DataHub downstream lineage, classifies affected assets (charts/dashboards/pipelines), issues BLOCK$0.02 Base644 ms–100% up
  8. 89api.gentechlabs.net/v1/security/score/0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Solana token risk scoring and rugcheck analysis (11 factors: honeypot, freeze authority, LP, holder distribution). SOLANA ONLY — rugcheck rejects an EVM address with 400 invalid_mi$0.01 Base931 ms–100% up
  9. 89api.gentechlabs.net/v1/agent/researchOn-demand AI agent research, analysis, document creation, and summarization via local LLM$0.05 solana532 ms–100% up
  10. 89china-trends-x402.onrender.com/v1/trends/%7Bplatform%7DOne$0.002 Base626 ms–100% up
  11. 89volume-anomaly.hergertsynthora.com/serviceSYNTHORA volume_anomaly$0.03 Base843 ms–100% up
  12. 89api.x-402.online/v1/proxy/20gbBuy 20 GB of French West Indies residential proxy bandwidth at 2.60 USD per gigabyte, the best rate in the range, delivered as a proxy key valid for 30 days. The exit is a real FTTH home line in the French West Indies on Outremer Telecom / SFR Caraibe (AS20776), reverse DNS ftthcc.*.sfrcaraibe.fr. Geolocation is split across databases and we say so rather than pick the flattering one: ipinfo and ipwho.is place it in Martinique (MQ), ip-api and db-ip place it in mainland France (FR). Reachability$52.00 Base513 ms–100% up
  13. 89gas-oracle-multi.hergertsynthora.com/serviceSYNTHORA gas-oracle-multi: gas price across 5 chains (ethereum, base, arbitrum, optimism, polygon), each VERIFIED by two independent public RPCs with divergence report — a single R$0.03 Base834 ms–100% up
  14. 89meltemi-audit.herdr-telegram-bridge.workers.dev/auditCheck Ethereum approval event history$0.005 Base420 ms–100% up
  15. 89www.retcg.xyz/api/appraise/%7Bid%7DEvery price a card has, in one call$0.02 Base549 ms–100% up
  16. 89api.blockchain.com/explorer-gateway-kt/x402/bch/blockGet BCH block by hash or height (paid via x402)$0.003 Base597 ms–100% up
  17. 89api.blockchain.com/explorer-gateway-kt/x402/bch/blocksGet latest BCH blocks (paid via x402)$0.002 Base602 ms–100% up
  18. 89api.mdataaccess.com/people/searchSearch for a person$0.35 Base498 ms–100% up
  19. 89api.mdataaccess.com/leadFind a sales-ready lead$0.49 Base453 ms–100% up
  20. 89api.blockchain.com/explorer-gateway-kt/x402/sol/address/tokensGet token balances for an address (paid via x402)$0.001 Base614 ms–100% up
  21. 89x402.santyvv.com/api/crypto/exchange-ratesExchange rates quoted against one currency$0.01 Base958 ms–100% up
  22. 89x402.santyvv.com/api/defi/protocol-volumeVolume history for one DEX or app$0.01 Base351 ms–100% up
  23. 89x402.santyvv.com/api/chain/token-balanceERC-20 balance with decimals and symbol$0.02 Base862 ms–100% up
  24. 89x402.santyvv.com/api/defi/chain-historyTVL history for one chain$0.01 Base594 ms–100% up
  25. 89x402.santyvv.com/api/defi/dex-volumeDEX trading volume overview$0.01 Base582 ms–100% up
  26. 89x402.santyvv.com/api/chain/token-infoERC-20 metadata: name, symbol, decimals, supply$0.02 Base593 ms–100% up
  27. 89x402.santyvv.com/api/chain/callRead-only eth_call to any contract$0.01 Base567 ms–100% up
  28. 89x402.santyvv.com/api/crypto/orderbookOrder book spread and depth$0.02 Base602 ms–100% up
  29. 89x402.santyvv.com/api/defi/chainsTotal value locked by chain, ranked$0.01 Base568 ms–100% up
  30. 89x402.santyvv.com/api/chain/receiptTransaction receipt only$0.01 Base545 ms–100% up
  31. 89x402.santyvv.com/api/chain/rpcGeneric read-only JSON-RPC passthrough$0.02 Base303 ms–100% up
  32. 89x402.santyvv.com/api/defi/yield-poolHistorical APY and TVL for one yield pool$0.01 Base687 ms–100% up
  33. 89x402.santyvv.com/api/chain/gasGas price with recent percentiles$0.02 Base356 ms–100% up
  34. 89x402.santyvv.com/api/chain/nonceTransaction count (next nonce) of an address$0.01 Base344 ms–100% up
  35. 89sol.mapleai.shop/v1/x/searchLive X/Twitter search$0.032 solana462 ms–100% up
  36. 89x402.santyvv.com/api/defi/tvl-historyDeFi TVL history, all chains or one chain$0.01 Base318 ms–100% up
  37. 89x402.santyvv.com/api/chain/balanceNative balance of an address$0.01 Base359 ms–100% up
  38. 89x402.santyvv.com/api/chain/codeIs this address a contract? Bytecode size$0.01 Base352 ms–100% up
  39. 89www.api-xpay.com/x402/networkNetwork Info$0.005 Base918 ms–100% up
  40. 89sol.mapleai.shop/v1/web/searchLive web search$0.027 solana372 ms–100% up
  41. 89gdelt-tension.hergertsynthora.com/serviceSYNTHORA gdelt-tension: geopolitical tension index for any topic/country — news-mention spike vs 7d baseline, average tone shift, escalation flag and the headlines causing it. The $0.03 Base468 ms–100% up
  42. 89206-81-14-131.sslip.io/svc/doi-open-access/lookupCheck a DOI for OpenAlex metadata and open-access locations without requiring a publisher login. Query parameter: doi.$0.008 Base392 ms–100% up
  43. 89humanendpoint.au/v1/x402/probeVerify x402 compatibility with a fixed-price public probe$0.01 Base689 ms–100% up
  44. 89base.mapleai.shop/v1/web/searchLive web search$0.0275 Base643 ms–100% up
  45. 89base.mapleai.shop/v1/x/mediaMedia radar over X posts$0.0385 Base632 ms–100% up
  46. 89www.thelatentlounge.com/api/play/grandmaster/logicBuy one generated reasoning puzzle through x402 — grandmaster logic$0.10 Base380 ms–100% up
  47. 89www.thelatentlounge.com/api/play/grandmaster/cipherBuy one generated reasoning puzzle through x402 — grandmaster cipher$0.10 Base470 ms–100% up
  48. 89x402-agent.kariguetoazul.workers.dev/api/units/length/mile-to-centimeterConvert international miles to centimetres for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base474 ms–100% up
  49. 89x402-agent.kariguetoazul.workers.dev/api/units/length/astronomical-unit-to-kilometerConvert astronomical units to kilometres for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base785 ms–100% up
  50. 89app.subastech.com/api/v1/informe/%7BpublicId%7D/%7Btier%7DInforme de subasta pagado con x402 (USDC)$58.80 Base589 ms–100% up
  51. 89x402-agent.kariguetoazul.workers.dev/api/units/speed/mile-per-second-to-kilometer-per-hourConvert miles per second to kilometres per hour for speed. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the speed converter, not a separate data provider.$0.001 Base576 ms–100% up
  52. 89qf-api.quietforge-studio.workers.dev/v1/x402/services/%7Bid%7DOne indexed x402 endpoint plus its probe history$0.002 Base584 ms–100% up
  53. 89clawg.network/v1/token/%7Bid%7DWrite a signed version (x402, $0.02)$0.02 Base559 ms–100% up
  54. 89claw402.ai/api/v1/coinank/etf/us-eth-inflowUS ETH ETF historical net inflow data$0.01 Base526 ms–100% up
  55. 89claw402.ai/api/v1/coinank/etf/us-ethUS Ethereum ETF list$0.01 Base545 ms–100% up
  56. 89claw402.ai/api/v1/crypto/rootdata/orgGet VC/org details. Body: {org_id: int}. Optional: include_team, include_investments (bool). Find IDs via /search or /id-map$0.002 Base533 ms–100% up
  57. 89claw402.ai/api/v1/coinank/indicator/ma-heatmap200-week moving average heatmap$0.01 Base617 ms–100% up
  58. 89claw402.ai/api/v1/coinank/price/lastTrading pair latest real-time price$0.01 Base617 ms–100% up
  59. 89claw402.ai/api/v1/coinank/market-order/agg-buy-sell-valueAggregated buy/sell value across exchanges (VIP3)$0.01 Base531 ms–100% up
  60. 89claw402.ai/api/v1/coinank/market-order/cvdCVD cumulative volume delta — single pair (VIP3)$0.01 Base506 ms–100% up
  61. 89claw402.ai/api/v1/crypto/rootdata/peopleGet person profile with X metrics. Body: {people_id: int}. Find IDs via /search or /id-map$0.002 Base467 ms–100% up
  62. 89api.blockchain.com/explorer-gateway-kt/x402/btc/address/transactionsGet paginated BTC address transactions (paid via x402)$0.0015 Base441 ms–100% up
  63. 89api.blockchain.com/explorer-gateway-kt/x402/charts/hash-rateGet Bitcoin hash rate chart data (paid via x402)$0.001 Base487 ms–100% up
  64. 89api.blockchain.com/explorer-gateway-kt/x402/sol/blockGet block by slot (paid via x402)$0.003 Base406 ms–100% up
  65. 89api.blockchain.com/explorer-gateway-kt/x402/btc/addressGet BTC address balance (paid via x402)$0.001 Base481 ms–100% up
  66. 89api.blockchain.com/explorer-gateway-kt/x402/btc/transactionGet BTC transaction detail (paid via x402)$0.001 Base653 ms–100% up
  67. 89api.blockchain.com/explorer-gateway-kt/x402/bch/addressGet BCH address balance (paid via x402)$0.001 Base679 ms–100% up
  68. 89api.blockchain.com/explorer-gateway-kt/x402/btc/transactionsGet multiple BTC transactions by ID (paid via x402)$0.002 Base609 ms–100% up
  69. 89api.blockchain.com/explorer-gateway-kt/x402/bch/address/transactionsGet paginated BCH address transactions (paid via x402)$0.0015 Base439 ms–100% up
  70. 89api.blockchain.com/explorer-gateway-kt/x402/eth/blockGet Ethereum block by number or hash (paid via x402)$0.003 Base588 ms–100% up
  71. 89api.warppay402.com/api/v1/tools/web-scraperWeb Scraper & Markdown Extractor$0.001 Base532 ms–100% up
  72. 89api.warppay402.com/api/v1/tools/arc-dex-oracleArc Live DEX Price Oracle$0.001 Base567 ms–100% up
  73. 89eu-tender-x402-v2-production.up.railway.app/api/crypto-spotReturn a live cryptocurrency spot price from Coinbase public market data. Supports common assets such as BTC, ETH, SOL, USDC, DOGE, LTC, BCH, LINK, AVAX, and more.$0.001 Base509 ms–100% up
  74. 89api.walletforge.app/v1/wallet/balanceWallet Balance Probe$0.002 Base500 ms–100% up
  75. 89eu-tender-x402-v2-production.up.railway.app/api/domain-rdapReturn live RDAP registration data for a public domain: registrar, created/updated/expiry dates, statuses, nameservers, DNSSEC, and authoritative source.$0.001 Base407 ms–100% up
  76. 89x402.billionaireorder.com/v1/lodgeProphet Trust Lodge - 10 Wallet Bubble Formation$0.001 Base789 ms–100% up
  77. 89api.walletforge.app/v1/wallet/usdc-transfersWallet Transfers Probe$0.002 Base551 ms–100% up
  78. 89payments.x402socks.com/v1/access/multi_agentCreate Multi-Agent Month proxy access after x402 settlement$29.99 Base662 ms–100% up
  79. 89agentpresswire.dev/v1/press-releaseWrite and publish a press release to announce a product launch or update$1.00 Base917 ms–100% up
  80. 89payments.x402socks.com/v1/access/time_1dCreate 1 Day proxy access after x402 settlement$3.59 Base582 ms–100% up
  81. 89api.linkedpanda.com/agent/v1/ads/getGet LinkedIn ad details$0.05 Base750 ms–100% up
  82. 88hypernatt.com/api/m2m/liq-radarForced-order map. If cluster_grammar is present, read it before liq_radar. class=noise (<3%) is high-leverage bait - ignore. class=true (~7%+) is the low-leverage stack. Terrain, not a signal. Whitelist BTC ETH SOL BNB XRP HYPE ZEC (omit = BTC).$0.001 Base1702 ms26 payers97% up
  83. 88agent402.tools/api/demand-radarWhat agents keep asking for that nobody serves yet: aggregated, qualified demand clusters from a live agent-demand board, with caller counts and how long each need has persisted. Use it when a seller or an agent is choosing what to build next and wants unmet demand with evidence instead of guesses.$0.005 Base1328 ms26 payers97% up
  84. 88api.aidress.ai/pay/agent_ottoai_crypto_newsImportance-ranked crypto headlines with per-article source links and publish times, plus a sentiment-scored market brief. Regenerated hourly; meta carries the snapshot's age and a fresh/stale verdict.$0.001 Base2098 ms23 payers97% up
  85. 88brokenkey-api-link-tau.vercel.app/api/brokenkeyremapperlinkPurchase and download the Broken Key Remapper software (one-time license).$0.003 Base1720 ms15 payers97% up
  86. 88api.agentstools.dev/search/newsKeyword news search across web news engines (Bing/DuckDuckGo/Yahoo via ddgs). Returns dated headlines with title/url/snippet/source/image + freshness/region/safesearch filters.$0.003 Base1196 ms12 payers97% up
  87. 88api.stacktr.ee/publishStacktree: host generated HTML as a live, shareable web page on a permanent, private, unguessable link ($0.50). POST any HTML (a report, dashboard, landing page, static site, or any webpage an agent produced) with payment; we return the URL and a one-time claim token. No account, no key, no human in the loop. The paying wallet can update the page free at the same URL, and a deleted page is restorable for 30 days.$0.50 Base1265 ms12 payers97% up
  88. 88api.surplusintelligence.ai/v1/chat/completionsGet OpenAI-compatible inference from many models at market prices via Surplus Intelligence.$0.0033 Base1304 ms11 payers97% up
  89. 88toolcall.click/t/fx/ratesForeign exchange reference rates from the European Central Bank. Base currency plus optional symbols filter. Updated daily on ECB schedule. JSON response. $0.002 USDC per call, pay via x402, no API key.$0.002 Base1375 ms9 payers97% up
  90. 88api.tickersfeed.net/defi/yieldsTop DeFi yield farming pools ranked by APY across 500+ protocols and chains — pool, protocol, chain, APY, and TVL as JSON. Filterable by chain and minimum TVL. Use for: best DeFi yields, stablecoin APY comparison, yield farming opportunities, where to earn on USDC. $0.001 USDC per call.$0.001 Base1088 ms9 payers97% up
  91. 88data.rcqsignals.com/v1/fetch/btc-funding-regimeCompact BTC funding regime state from a four-venue normalized surface: regime label, surface median, 30d z-score, same-sign share, spread, dispersion, venue count, freshness. Ed25519-signed. Data, not advice.$0.01 Base1543 ms8 payers97% up
  92. 88glim.sh/api/v1/reddit/getFetch a Reddit post, subreddit, or user by ref$0.005 Solana1017 ms8 payers97% up
  93. 88api.deepnets.ai/api/token-safetyToken safety analysis for a Solana mint: overall risk level, wallet-network concentration, bundle detection, mintable/freezable flags, critical risks, and warnings. Returns the most recent cached analysis.$0.01 Solana1163 ms8 payers97% up
  94. 88agents.datamancer.io/api/v1/paid/vinVIN decode (x402; 402 first, $0.005, Base then Solana)$0.005 Base1066 ms8 payers97% up
  95. 88api.justaname.id/ens/v2/reverseResolves an address into its ENS reverse record on a given chain, with batch support up to 50 addresses and per-address chain scoping via interop addresses.$0.005 Base1749 ms7 payers97% up
  96. 88cdp-agent-0-01.onrender.com/AgentWire service card for webhook inbox relay and web fetch infrastructure.$0.001 Base1387 ms7 payers97% up
  97. 88x402.clashofcoins.com/x402/cheap-healthLow-cost gateway health probe for real x402 settlement checks$0.001 Base1332 ms7 payers97% up
  98. 88tiktok.palmyr.ai/v1/accountsList the TikTok accounts your wallet owns, with session health.$0.001 Solana1977 ms7 payers97% up
  99. 88www.aidatatools.dev/apiData Quality Gate: deterministic dataset quality verdict$0.01 Solana1458 ms7 payers97% up
  100. 88x402.sniperx.fun/api/v1/token/activities/smarttraders_kolGet KOL trading activities on token (sorted by time descending)$0.02 solana1372 ms7 payers97% up