x402watch

52,778 paid endpoints are listed. 41,522 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 2026-11-14 06:38 UTC · 52,778 probed

41,522 answering 4025,071 down5,452 rejecting733 no paywall944 price drift
  1. 19api.solprobe.xyz/market/intelSolana token market signal — is it pumping or dumping? In under 10 seconds: current price, volume, buy/sell pressure, large-transaction (whale) detection, and a BULLISH/BEARISH/NEUTRAL call. Market context a trading agent needs before sizing or executing a Solana position.$0.20 solanadown–0% up
  2. 191634ccab0317d8.lhr.life/v1/summarizeText summarization$0.008 Basedown–0% up
  3. 19vealth.net/vealth/api/x402/build-eco-food-retireLead agent bundle — one $0.04 payment runs SDG + Michelin + LBC in-process, then runs the retire leg through the Bankr retire x402 rail. **The caller chooses how much to retire.** Pass `solar_usd` and `wind_usd` (USDC amounts) in the request body to set the per-child retirement size; if omitted, both default to $0.005 (a $0.01 ceremonial pulse). Retire proof is only marked verified when a live receipt carries a valid on-chain tx hash; otherwise status remains submitted/handoff/test/fixture/missi$0.04 Basedown–0% up
  4. 19api.zuluworksai.com/exec/eth-erc20-balanceERC20 token balance via balanceOf (eth_call). Supports friendly asset aliases (USDC, DAI, WETH, WBTC) for Base + Ethereum mainnet, or pass a raw token_address + decimals.$0.003 Basedown–0% up
  5. 19api.gocreativeai.com/v1/validate/luhn/%7Barg%7DLuhn-checksum validation for card numbers / IMEI, with card-brand detection. For payments, fraud, and checkout agents.$0.005 solanadown–0% up
  6. 192af033b37d033c.lhr.life/v1/forecast/spyKronos 1h/4h/24h price forecast for SPY$0.01 Basedown–0% up
  7. 19api.fastapi.online/slogan-generateGenerate taglines/slogans for a brand or product via self-hosted LLM$0.001 Basedown–0% up
  8. 19thomas-obol-agent.dvlabs.dev/services/cgt-run/jobs/%7BjobId%7Dcgt-run — job status (free) down–0% up
  9. 19api.zuluworksai.com/exec/eth-txFull transaction details by hash via eth_getTransactionByHash. Returns from/to/value (wei + eth)/gas/nonce/input/data. Pairs with tx-verify for the full read+verify loop.$0.008 Basedown–0% up
  10. 19e83902d92f5ca4.lhr.life/api/x402/dist-pingPayAI Bazaar Dist catalog probe ($0.005)$0.005 Basedown–0% up
  11. 19d4dae7d17e04de.lhr.life/v1/forecast/spyKronos 1h/4h/24h price forecast for SPY$0.01 Basedown–0% up
  12. 197401c13777c75a.lhr.life/x/intelX profile intelligence$0.05 Basedown–0% up
  13. 19api.foreverbetter.xyz/dashboards/private/%7Btoken%7DOpen an expiring private dashboard down–0% up
  14. 19d4dae7d17e04de.lhr.life/v1/forecast/aaplKronos 1h/4h/24h price forecast for AAPL$0.01 Basedown–0% up
  15. 19fullenrich.agentscore.com/person/enrich/work-emailwork email enrichment: verified work email(s) for a person; charged only when found.$0.07 Basedown–0% up
  16. 19terms-risk-api.fly.dev/healthHealth check down–0% up
  17. 195dff9e3f67fc36.lhr.life/x/intelX profile intelligence$0.05 Basedown–0% up
  18. 19fullenrich.agentscore.com/skill.mdClaude-Skill manifest. down–0% up
  19. 19987a208c1ffdc8.lhr.life/x/intelX profile intelligence$0.05 Basedown–0% up
  20. 19987a208c1ffdc8.lhr.life/price/%7Bsymbol%7DLive crypto price in USD$0.01 Basedown–0% up
  21. 19hypa1m.xyz/.well-known/agent.jsonAgent Info down–0% up
  22. 19hypa1m.xyz/scan/fullFull SEO Audit — 500 pages, $2.00$2.00 Basedown–0% up
  23. 19hypa1m.xyz/analyzeFree-Form AI Analysis — $1.50$1.50 Basedown–0% up
  24. 19e685ce581bfbf7.lhr.life/price/%7Bsymbol%7DLive crypto price in USD$0.01 Basedown–0% up
  25. 19dfdb47a63ed47ed1-50-19-105-50.serveousercontent.com/api/polymarket-oddsPolymarket Odds POST ($0.02)$0.02 Basedown–0% up
  26. 19fr-legal-kit.monnet-yanis1.workers.dev/v1/einvoice-whoFrench e-invoice calendar: who must receive (2026-09-01 all) vs emit (GE/ETI 2026, PME/micro 2027). Size in, dates out. No registry lookup.$0.01 Basedown–0% up
  27. 191634ccab0317d8.lhr.life/summarizeText summarization$0.008 Basedown–0% up
  28. 19api.invoket.com/invoice/generateGenerate a conformant EN 16931 e-invoice (CII XML)$0.001 Basedown–0% up
  29. 19api.invoket.com/invoice/validateValidate an e-invoice against EN 16931 (verdict + BR rule ids)$0.01 solanadown–0% up
  30. 19api.invoket.com/legal/diffSee what changed in a law between dates$0.01 solanadown–0% up
  31. 19f117af7f5b4fcb.lhr.life/v1/forecast/qqqKronos 1h/4h/24h price forecast for QQQ$0.01 Basedown–0% up
  32. 19openalex-works-search.hergertsynthora.com/serviceSYNTHORA openalex_works_search$0.001 Basedown–0% up
  33. 19openfda-drug-adverse-events.hergertsynthora.com/serviceSYNTHORA openfda_drug_adverse_events$0.001 Basedown–0% up
  34. 19swarmx.io/x402/token-holdersSwarmX Token Holders$0.01 solanadown–0% up
  35. 19swarmx.io/x402/wallet-reportSwarmX Wallet Report Bundle$0.03 solanadown–0% up
  36. 19f117af7f5b4fcb.lhr.life/v1/forecast/nvdaKronos 1h/4h/24h price forecast for NVDA$0.01 Basedown–0% up
  37. 19e83902d92f5ca4.lhr.life/x402/aliveAlias for Cos Dist alive probe ($1 USDC)$1.00 Basedown–0% up
  38. 19e83902d92f5ca4.lhr.life/api/eth-pulseBase ETH + DEX Market Pulse ($0.02 USDC ACCESS)$0.02 Basedown–0% up
  39. 19f117af7f5b4fcb.lhr.life/v1/forecast/tslaKronos 1h/4h/24h price forecast for TSLA$0.01 Basedown–0% up
  40. 19worldbank-health-climate-indicator.hergertsynthora.com/serviceSYNTHORA worldbank_health_climate_indicator$0.001 Basedown–0% up
  41. 19dockerhub-image-tags.hergertsynthora.com/serviceSYNTHORA dockerhub_image_tags$0.001 Basedown–0% up
  42. 19ecosystems-package-intel.hergertsynthora.com/serviceSYNTHORA ecosystems_package_intel$0.001 Basedown–0% up
  43. 19e83902d92f5ca4.lhr.life/api/cited-answerCited answer web-grounded ($0.05 USDC ACCESS)$0.05 Basedown–0% up
  44. 19defi-hacks.hergertsynthora.com/serviceSYNTHORA defi_hacks$0.001 Basedown–0% up
  45. 19us-treasury-debt-to-penny.hergertsynthora.com/serviceSYNTHORA us_treasury_debt_to_penny$0.001 Basedown–0% up
  46. 19wiki-trends.hergertsynthora.com/serviceSYNTHORA wiki_trends$0.001 Basedown–0% up
  47. 19packagist-security-advisories.hergertsynthora.com/serviceSYNTHORA packagist_security_advisories$0.001 Basedown–0% up
  48. 19manifold-markets-search.hergertsynthora.com/serviceSYNTHORA manifold_markets_search$0.001 Basedown–0% up
  49. 19unpaywall-oa-lookup.hergertsynthora.com/serviceSYNTHORA unpaywall_oa_lookup$0.001 Basedown–0% up
  50. 19ecb-hicp-inflation-euro-area.hergertsynthora.com/serviceSYNTHORA ecb_hicp_inflation_euro_area$0.001 Basedown–0% up
  51. 19e83902d92f5ca4.lhr.life/api/commerce-briefLive Agent Commerce Brief ($0.02 USDC ACCESS)$0.02 Basedown–0% up
  52. 19uhfiy-37-255-229-96.run.pinggy-free.link/evidenceEvidence receipt (query-param form of the same paid door)$0.005 Basedown–0% up
  53. 19e83902d92f5ca4.lhr.life/api/token-priceToken Price ($0.02 USDC ACCESS)$0.02 Basedown–0% up
  54. 19rdap-ip-network.hergertsynthora.com/serviceSYNTHORA rdap_ip_network$0.001 Basedown–0% up
  55. 19pubmed-esummary.hergertsynthora.com/serviceSYNTHORA pubmed_esummary$0.001 Basedown–0% up
  56. 19sourcify-contract-verification.hergertsynthora.com/serviceSYNTHORA sourcify_contract_verification$0.001 Basedown–0% up
  57. 19c08939ab98721c.lhr.life/x/intel/%7Bhandle%7DX profile intelligence for a handle$0.05 Basedown–0% up
  58. 19nft-collection-stats-onchain.hergertsynthora.com/serviceSYNTHORA nft_collection_stats_onchain$0.001 Basedown–0% up
  59. 19climate-projection-model.hergertsynthora.com/serviceSYNTHORA climate_projection_model$0.001 Basedown–0% up
  60. 1919690de55e4d49.lhr.life/v1/summarizeText summarization$0.008 Basedown–0% up
  61. 19orisha-data.com/c1/price/%7Bpair%7DCrypto/FX price with signal enrichment$0.01 Basedown–0% up
  62. 192f0932186d2c26.lhr.life/v1/forecast/solKronos 1h/4h/24h price forecast for SOL$0.01 Basedown–0% up
  63. 19dfdb47a63ed47ed1-50-19-105-50.serveousercontent.com/api/fl-snapFreelancer format hoursLeft snap ($0.02)$0.02 Basedown–0% up
  64. 192f0932186d2c26.lhr.life/v1/forecast/spyKronos 1h/4h/24h price forecast for SPY$0.01 Basedown–0% up
  65. 192f0932186d2c26.lhr.life/v1/forecast/ethKronos 1h/4h/24h price forecast for ETH$0.01 Basedown–0% up
  66. 19e83902d92f5ca4.lhr.life/api/polymarket-oddsPolymarket Odds POST ($0.02)$0.02 Basedown–0% up
  67. 19orisha-data.com/d1/levelsCME micro futures structural levels feed - real-time session analysis$0.07 Basedown–0% up
  68. 19e83902d92f5ca4.lhr.life/api/x402/catalogFree Dist catalog of Cos paid x402 tickets down–0% up
  69. 1985f0a27c4f42b1b4-3-234-162-247.serveousercontent.com/api/wallet-checkCheck a Base wallet before paying POST ($0.02)$0.02 Basedown–0% up
  70. 19dfdb47a63ed47ed1-50-19-105-50.serveousercontent.com/x402/aliveAlias for Cos Dist alive probe ($1 USDC)$1.00 Basedown–0% up
  71. 19obol-x402.fly.dev/catalogFree: full SKU list (premium first) down–0% up
  72. 19api.gocreativeai.com/v1/delta/sanctions/%7Barg%7DDELTA FEED — only NEWLY-ADDED OFAC sanctions entries since your last check. Pass a name/keyword + lookback window (?days$1.00 Basedown–0% up
  73. 19dfdb47a63ed47ed1-50-19-105-50.serveousercontent.com/api/eth-pulseBase ETH + DEX Market Pulse ($0.02 USDC ACCESS)$0.02 Basedown–0% up
  74. 19api.gocreativeai.com/v1/verdict/send-safe/%7Barg%7DSendGuard — pre-send email VERDICT so an agent never wastes a send on a dead, fake or risky address. Fuses live syntax +$0.05 Basedown–0% up
  75. 19x402.wintergreen.uk/api/v1/catalogCatalog down–0% up
  76. 19x402.wintergreen.uk/api/v1/quant/funding-divergenceFunding Divergence$0.001 Basedown–0% up
  77. 19x402.wintergreen.uk/api/v1/searchSearch$0.001 Basedown–0% up
  78. 19x402.wintergreen.uk/api/v1/prompts/packGet Pack$0.01 Basedown–0% up
  79. 19x402.wintergreen.uk/api/v1/quant/liquidation-clustersLiquidation Clusters$0.002 Basedown–0% up
  80. 19x402.wintergreen.uk/healthHealth down–0% up
  81. 19x402.wintergreen.uk/api/v1/prompts/category/%7Bcategory%7DGet Category$0.01 Basedown–0% up
  82. 1985f0a27c4f42b1b4-3-234-162-247.serveousercontent.com/api/md-pageRead a page as markdown ($0.02 USDC ACCESS)$0.02 Basedown–0% up
  83. 1985f0a27c4f42b1b4-3-234-162-247.serveousercontent.com/api/web-searchWeb search ($0.02 USDC ACCESS)$0.02 Basedown–0% up
  84. 1985f0a27c4f42b1b4-3-234-162-247.serveousercontent.com/api/token-priceToken Price ($0.02 USDC ACCESS)$0.02 Basedown–0% up
  85. 19196263e918a013.lhr.life/v1/forecast/solKronos 1h/4h/24h price forecast for SOL$0.01 Basedown–0% up
  86. 19api.speercyberdefense.com/v1/convert/credits/fundFund 10 convert credits via x402$0.005 Basedown–0% up
  87. 190b0ab3b5339f36.lhr.life/v1/forecast/qqqKronos 1h/4h/24h price forecast for QQQ$0.01 Basedown–0% up
  88. 19d92f75a4debe19.lhr.life/price/%7Bsymbol%7DLive crypto price in USD$0.01 Basedown–0% up
  89. 190b0ab3b5339f36.lhr.life/v1/forecast/ethKronos 1h/4h/24h price forecast for ETH$0.01 Basedown–0% up
  90. 1985f0a27c4f42b1b4-3-234-162-247.serveousercontent.com/api/token-refVerified Token & Contract Address Reference ($0.02)$0.02 Basedown–0% up
  91. 19api.speercyberdefense.com/v1/convert/jobsCreate convert job (x402 floor $0.01)$0.005 Basedown–0% up
  92. 19x402.feld-feder.at/v1/web/markdownMarkdown$0.004 Basedown–0% up
  93. 19api.fastapi.online/csv-to-jsonConvert CSV to JSON (local, no LLM)$0.0005 Basedown–0% up
  94. 19k2so.wrong.systems/api/services/agent-decision-procedure-for-goods-purchases-wheWorking-order verification decision procedure for goods purchases$0.002 Basedown–0% up
  95. 19top-movers.hergertsynthora.com/serviceSYNTHORA Top Movers$0.001 Basedown–0% up
  96. 19address-risk.hergertsynthora.com/serviceSYNTHORA Address Risk Screen$0.001 Basedown–0% up
  97. 19api.fastapi.online/image-rotateRotate an image$0.001 Basedown–0% up
  98. 19api.speercyberdefense.com/.well-known/x402x402 resource discovery document down–0% up
  99. 1983-29-153-50.sslip.io/v1/directory-gapsRead x402 directory health gaps$0.02 Basedown–0% up
  100. 19api.signalbrew.io/api/%7Bexchange%7D/intervalsList the available candle intervals of an exchange. down–0% up