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. 19cspxp4dtm7q9.hostc.app/ensENS resolver: .eth name to address and reverse lookup, avatar ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  2. 19cspxp4dtm7q9.hostc.app/unlock-riskToken unlock / vesting risk: next unlock size vs circulating supply, CEX inflows, sell-pressure score ($0.01 USDC)$0.01 Baserejecting–0% up
  3. 19cspxp4dtm7q9.hostc.app/swap-riskSwap MEV / sandwich risk estimate + recommended slippage for a proposed trade ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  4. 19cspxp4dtm7q9.hostc.app/token-safetyHoneypot & rug check / token safety scanner: buy-sell tax, mint, blacklist, proxy, owner, LP lock, holders (ERC-20 on Base, Ethereum, Arbitrum) ($0.03 USDC)$0.03 Baserejecting–0% up
  5. 19cspxp4dtm7q9.hostc.app/Service metadata and endpoint catalog rejecting–0% up
  6. 19nova-demand-worker.vercel.app/discovery/business-candidatesFree discovery of public business website candidates rejecting–0% up
  7. 19cspxp4dtm7q9.hostc.app/approvals-auditToken approvals audit / revoke checker: risky & unlimited ERC-20 allowances for a wallet ($0.01) ($0.01 USDC)$0.01 Baserejecting–0% up
  8. 19cspxp4dtm7q9.hostc.app/healthHealth check rejecting–0% up
  9. 19cnsc3ua5cbfq.hostc.app/token-priceToken price API: real-time DEX price, liquidity, volume, FDV for any ERC-20 (Base, Ethereum, Arbitrum) ($0.005 USDC)$0.005 Baserejecting–0% up
  10. 19cnsc3ua5cbfq.hostc.app/swap-riskSwap MEV / sandwich risk estimate + recommended slippage for a proposed trade ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  11. 19cnsc3ua5cbfq.hostc.app/approvals-auditToken approvals audit / revoke checker: risky & unlimited ERC-20 allowances for a wallet ($0.01) ($0.01 USDC)$0.01 Baserejecting–0% up
  12. 19cnsc3ua5cbfq.hostc.app/new-tokensNew token launches feed with auto honeypot / rug screening (new DEX pools, sniping research) ($0.02 USDC)$0.02 Baserejecting–0% up
  13. 19cnsc3ua5cbfq.hostc.app/liquidation-riskLiquidation risk / health factor monitor for Aave v3 & Spark positions by address ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  14. 19cnsc3ua5cbfq.hostc.app/mcpMCP endpoint info (POST JSON-RPC for tools/list, tools/call) rejecting–0% up
  15. 19cm68cbchaggk.hostc.app/whale-flowsWhale alerts & smart money exchange flows: large CEX deposits/withdrawals, net inflow/outflow, top movers ($0.02 USDC)$0.02 Baserejecting–0% up
  16. 19cm68cbchaggk.hostc.app/swap-riskSwap MEV / sandwich risk estimate + recommended slippage for a proposed trade ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  17. 19cm68cbchaggk.hostc.app/.well-known/x402.jsonx402 v2 resource manifest with accepts[] per endpoint rejecting–0% up
  18. 19cm68cbchaggk.hostc.app/unlock-riskToken unlock / vesting risk: next unlock size vs circulating supply, CEX inflows, sell-pressure score ($0.01 USDC)$0.01 Baserejecting–0% up
  19. 19cm68cbchaggk.hostc.app/polymarketPolymarket odds / prediction market probabilities by keyword ($0.005 USDC)$0.005 Baserejecting–0% up
  20. 19onward.flights/api/flightsSearch one-way flights to use as an onward ticket rejecting–0% up
  21. 19cm68cbchaggk.hostc.app/due-diligenceToken due diligence report (DD) in Markdown for LLM agents: rug check, honeypot, holders, whales, unlocks, news ($0.05 USDC)$0.05 Baserejecting–0% up
  22. 19cm68cbchaggk.hostc.app/.well-known/x402x402 discovery fan-out rejecting–0% up
  23. 19cm68cbchaggk.hostc.app/Service metadata and endpoint catalog rejecting–0% up
  24. 19ijaugj63mqc3.hostc.app/.well-known/x402x402 discovery fan-out rejecting–0% up
  25. 19ijaugj63mqc3.hostc.app/gasGas price / gas fee tracker + forecast for Ethereum, Base, Arbitrum ($0.001, cheapest call) ($0.001 USDC)$0.001 Baserejecting–0% up
  26. 19ijaugj63mqc3.hostc.app/new-tokensNew token launches feed with auto honeypot / rug screening (new DEX pools, sniping research) ($0.02 USDC)$0.02 Baserejecting–0% up
  27. 19ijaugj63mqc3.hostc.app/yieldsDeFi yields / best APY finder by asset and chain with risk notes (stablecoin yield, lending, LP) ($0.01 USDC)$0.01 Baserejecting–0% up
  28. 19ijaugj63mqc3.hostc.app/swap-riskSwap MEV / sandwich risk estimate + recommended slippage for a proposed trade ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  29. 19ijaugj63mqc3.hostc.app/unlock-riskToken unlock / vesting risk: next unlock size vs circulating supply, CEX inflows, sell-pressure score ($0.01 USDC)$0.01 Baserejecting–0% up
  30. 19ijaugj63mqc3.hostc.app/.well-known/x402.jsonx402 v2 resource manifest with accepts[] per endpoint rejecting–0% up
  31. 19ijaugj63mqc3.hostc.app/mcpMCP endpoint info (POST JSON-RPC for tools/list, tools/call) rejecting–0% up
  32. 1949yvqhixr2g9.hostc.app/whale-flowsWhale alerts & smart money exchange flows: large CEX deposits/withdrawals, net inflow/outflow, top movers ($0.02 USDC)$0.02 Baserejecting–0% up
  33. 1949yvqhixr2g9.hostc.app/pre-trade-checkPre-trade check / rug check before buying a token: honeypot, token safety, unlocks, whale + smart money flows, one buy/avoid verdict ($0.05 USDC)$0.05 Baserejecting–0% up
  34. 1949yvqhixr2g9.hostc.app/unlocks/upcomingToken unlock calendar: upcoming vesting unlocks in the next N days, sized vs supply ($0.02 USDC)$0.02 Baserejecting–0% up
  35. 1949yvqhixr2g9.hostc.app/token-priceToken price API: real-time DEX price, liquidity, volume, FDV for any ERC-20 (Base, Ethereum, Arbitrum) ($0.005 USDC)$0.005 Baserejecting–0% up
  36. 1949yvqhixr2g9.hostc.app/yieldsDeFi yields / best APY finder by asset and chain with risk notes (stablecoin yield, lending, LP) ($0.01 USDC)$0.01 Baserejecting–0% up
  37. 1949yvqhixr2g9.hostc.app/approvals-auditToken approvals audit / revoke checker: risky & unlimited ERC-20 allowances for a wallet ($0.01) ($0.01 USDC)$0.01 Baserejecting–0% up
  38. 1949yvqhixr2g9.hostc.app/recommendFREE recommender: describe your goal, get the matching paid endpoint rejecting–0% up
  39. 1949yvqhixr2g9.hostc.app/tools.jsonMCP-style tool definitions rejecting–0% up
  40. 1949yvqhixr2g9.hostc.app/liquidation-riskLiquidation risk / health factor monitor for Aave v3 & Spark positions by address ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  41. 1949yvqhixr2g9.hostc.app/ensENS resolver: .eth name to address and reverse lookup, avatar ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  42. 1949yvqhixr2g9.hostc.app/governanceDAO governance feed: active Snapshot proposals & vote results for Aave, Uniswap, Arbitrum, Optimism, Lido + 25 more ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  43. 1949yvqhixr2g9.hostc.app/.well-known/x402x402 discovery fan-out rejecting–0% up
  44. 19kv4qjym2byz9.hostc.app/pre-trade-checkPre-trade check / rug check before buying a token: honeypot, token safety, unlocks, whale + smart money flows, one buy/avoid verdict ($0.05 USDC)$0.05 Baserejecting–0% up
  45. 19kv4qjym2byz9.hostc.app/crypto-newsCrypto news API with headline sentiment per token / topic ($0.01 USDC)$0.01 Baserejecting–0% up
  46. 19kv4qjym2byz9.hostc.app/.well-known/x402x402 discovery fan-out rejecting–0% up
  47. 19hardoz.eu.cc/x402/v1/detectDetect AI-written text — label + probability as JSON$0.001 Baserejecting–0% up
  48. 19kv4qjym2byz9.hostc.app/symbolsCoverage: symbols and chains rejecting–0% up
  49. 19kv4qjym2byz9.hostc.app/stablecoin-pegStablecoin depeg monitor: USDC, USDT, DAI, USDe, FDUSD, PYUSD vs $1 ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  50. 19kv4qjym2byz9.hostc.app/liquidation-riskLiquidation risk / health factor monitor for Aave v3 & Spark positions by address ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  51. 19kv4qjym2byz9.hostc.app/recommendFREE recommender: describe your goal, get the matching paid endpoint rejecting–0% up
  52. 19ck9t82izgfdk.hostc.app/stablecoin-pegStablecoin depeg monitor: USDC, USDT, DAI, USDe, FDUSD, PYUSD vs $1 ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  53. 19ck9t82izgfdk.hostc.app/approvals-auditToken approvals audit / revoke checker: risky & unlimited ERC-20 allowances for a wallet ($0.01) ($0.01 USDC)$0.01 Baserejecting–0% up
  54. 19kv4qjym2byz9.hostc.app/polymarketPolymarket odds / prediction market probabilities by keyword ($0.005 USDC)$0.005 Baserejecting–0% up
  55. 19kv4qjym2byz9.hostc.app/address-checkScam / phishing / sanctioned (OFAC) address check before sending funds or approving (AML screening) ($0.005 USDC)$0.005 Baserejecting–0% up
  56. 19kv4qjym2byz9.hostc.app/governanceDAO governance feed: active Snapshot proposals & vote results for Aave, Uniswap, Arbitrum, Optimism, Lido + 25 more ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  57. 19ck9t82izgfdk.hostc.app/address-checkScam / phishing / sanctioned (OFAC) address check before sending funds or approving (AML screening) ($0.005 USDC)$0.005 Baserejecting–0% up
  58. 19api.crawlwitness.com/v1/atestaciones/%7Buid%7DFree: signed EAS attestation of a paid query rejecting–0% up
  59. 19sentinel.oceaneye-ai.com/x402/verify-differential-specDifferential equivalence verification between code_a and code_b across boundary grids$0.05 Baserejecting–0% up
  60. 19api.moneytools.dev/v1/referral/%7Baddress%7DFree: referral earnings for a wallet (20% revenue share, manual payouts, min 1 USDC) rejecting–0% up
  61. 19api.crawlwitness.com/v1/historial/%7Bdominio%7D/%7Bfuente%7DFree: document in force at a date (?en=RFC3339) with SHA-256 and EAS attestation rejecting–0% up
  62. 19ck9t82izgfdk.hostc.app/ensENS resolver: .eth name to address and reverse lookup, avatar ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  63. 19api.nansen.ai/api/v1/perp/cancelPrepare a perp cancel rejecting–0% up
  64. 19api.nansen.ai/api/v1/perp/accountGet perp account state rejecting–0% up
  65. 19api.nansen.ai/api/v1/perp/builder-feeGet builder-fee approval status rejecting–0% up
  66. 19api.nansen.ai/api/v1/profiler/address/premium-labelsGet Address Premium Labels rejecting–0% up
  67. 19api.nansen.ai/api/v1/smart-alert/toggleEnable or disable a smart alert rejecting–0% up
  68. 19api.nansen.ai/api/v1/trade/prepareTurn a quote into a signable transaction rejecting–0% up
  69. 19api.nansen.ai/api/v1/perp/leveragePrepare a leverage update rejecting–0% up
  70. 19api.nansen.ai/api/v1/perp/transferPrepare a Spot<->Perps transfer rejecting–0% up
  71. 19api.crawlwitness.com/mcpMCP server (Streamable HTTP, stateless, 2026-07-28 and 2025 revisions). Paid tool consultar_senales via _meta["x402/payment"] rejecting–0% up
  72. 19fnbjme9wrm8m.hostc.app/unlocks/upcomingToken unlock calendar: upcoming vesting unlocks in the next N days, sized vs supply ($0.02 USDC)$0.02 Baserejecting–0% up
  73. 19fnbjme9wrm8m.hostc.app/symbolsCoverage: symbols and chains rejecting–0% up
  74. 19fnbjme9wrm8m.hostc.app/recommendFREE recommender: describe your goal, get the matching paid endpoint rejecting–0% up
  75. 19fnbjme9wrm8m.hostc.app/whale-flowsWhale alerts & smart money exchange flows: large CEX deposits/withdrawals, net inflow/outflow, top movers ($0.02 USDC)$0.02 Baserejecting–0% up
  76. 19fnbjme9wrm8m.hostc.app/crypto-newsCrypto news API with headline sentiment per token / topic ($0.01 USDC)$0.01 Baserejecting–0% up
  77. 19fnbjme9wrm8m.hostc.app/unlock-riskToken unlock / vesting risk: next unlock size vs circulating supply, CEX inflows, sell-pressure score ($0.01 USDC)$0.01 Baserejecting–0% up
  78. 19fnbjme9wrm8m.hostc.app/pre-trade-checkPre-trade check / rug check before buying a token: honeypot, token safety, unlocks, whale + smart money flows, one buy/avoid verdict ($0.05 USDC)$0.05 Baserejecting–0% up
  79. 19fnbjme9wrm8m.hostc.app/token-priceToken price API: real-time DEX price, liquidity, volume, FDV for any ERC-20 (Base, Ethereum, Arbitrum) ($0.005 USDC)$0.005 Baserejecting–0% up
  80. 19fnbjme9wrm8m.hostc.app/swap-riskSwap MEV / sandwich risk estimate + recommended slippage for a proposed trade ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  81. 19fnbjme9wrm8m.hostc.app/.well-known/x402.jsonx402 v2 resource manifest with accepts[] per endpoint rejecting–0% up
  82. 19fnbjme9wrm8m.hostc.app/mcpMCP endpoint info (POST JSON-RPC for tools/list, tools/call) rejecting–0% up
  83. 19fnbjme9wrm8m.hostc.app/.well-known/x402x402 discovery fan-out rejecting–0% up
  84. 19fnbjme9wrm8m.hostc.app/llms.txtAgent-readable documentation rejecting–0% up
  85. 1974nsjnm7u8uc.hostc.app/unlock-riskToken unlock / vesting risk: next unlock size vs circulating supply, CEX inflows, sell-pressure score ($0.01 USDC)$0.01 Baserejecting–0% up
  86. 1974nsjnm7u8uc.hostc.app/ensENS resolver: .eth name to address and reverse lookup, avatar ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  87. 1974nsjnm7u8uc.hostc.app/governanceDAO governance feed: active Snapshot proposals & vote results for Aave, Uniswap, Arbitrum, Optimism, Lido + 25 more ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  88. 1974nsjnm7u8uc.hostc.app/swap-riskSwap MEV / sandwich risk estimate + recommended slippage for a proposed trade ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  89. 1974nsjnm7u8uc.hostc.app/llms.txtAgent-readable documentation rejecting–0% up
  90. 1974nsjnm7u8uc.hostc.app/tools.jsonMCP-style tool definitions rejecting–0% up
  91. 1974nsjnm7u8uc.hostc.app/due-diligenceToken due diligence report (DD) in Markdown for LLM agents: rug check, honeypot, holders, whales, unlocks, news ($0.05 USDC)$0.05 Baserejecting–0% up
  92. 1974nsjnm7u8uc.hostc.app/Service metadata and endpoint catalog rejecting–0% up
  93. 19xqbqbavwj993.hostc.app/stablecoin-pegStablecoin depeg monitor: USDC, USDT, DAI, USDe, FDUSD, PYUSD vs $1 ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  94. 19caballens.vercel.app/healthSystem Health & Uptime rejecting–0% up
  95. 1974nsjnm7u8uc.hostc.app/symbolsCoverage: symbols and chains rejecting–0% up
  96. 19xqbqbavwj993.hostc.app/demoList of free sample responses rejecting–0% up
  97. 19xqbqbavwj993.hostc.app/gasGas price / gas fee tracker + forecast for Ethereum, Base, Arbitrum ($0.001, cheapest call) ($0.001 USDC)$0.001 Baserejecting–0% up
  98. 19xqbqbavwj993.hostc.app/liquidation-riskLiquidation risk / health factor monitor for Aave v3 & Spark positions by address ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  99. 19xqbqbavwj993.hostc.app/Service metadata and endpoint catalog rejecting–0% up
  100. 19wcipgnf7c2wz.hostc.app/unlocks/upcomingToken unlock calendar: upcoming vesting unlocks in the next N days, sized vs supply ($0.02 USDC)$0.02 Baserejecting–0% up