x402watch

52,418 paid endpoints are listed. 38,373 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 18:16 UTC · 52,418 probed

38,373 answering 4027,063 down5,650 rejecting1,332 no paywall852 price drift
  1. 19rvt3mwyverhs.hostc.app/mcpMCP endpoint info (POST JSON-RPC for tools/list, tools/call) rejecting–0% up
  2. 19rvt3mwyverhs.hostc.app/swap-riskSwap MEV / sandwich risk estimate + recommended slippage for a proposed trade ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  3. 19gyzkdbqc3y9f.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. 19gyzkdbqc3y9f.hostc.app/Service metadata and endpoint catalog rejecting–0% up
  5. 19gyzkdbqc3y9f.hostc.app/ensENS resolver: .eth name to address and reverse lookup, avatar ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  6. 19gyzkdbqc3y9f.hostc.app/demoList of free sample responses rejecting–0% up
  7. 19gyzkdbqc3y9f.hostc.app/mcpMCP endpoint info (POST JSON-RPC for tools/list, tools/call) rejecting–0% up
  8. 19gyzkdbqc3y9f.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
  9. 19gyzkdbqc3y9f.hostc.app/.well-known/x402x402 discovery fan-out rejecting–0% up
  10. 19gyzkdbqc3y9f.hostc.app/recommendFREE recommender: describe your goal, get the matching paid endpoint rejecting–0% up
  11. 19gyzkdbqc3y9f.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
  12. 19gyzkdbqc3y9f.hostc.app/.well-known/x402.jsonx402 v2 resource manifest with accepts[] per endpoint rejecting–0% up
  13. 19gyzkdbqc3y9f.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
  14. 19qx9wv44j8gdu.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
  15. 19qx9wv44j8gdu.hostc.app/symbolsCoverage: symbols and chains rejecting–0% up
  16. 19qx9wv44j8gdu.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
  17. 19qx9wv44j8gdu.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
  18. 19qx9wv44j8gdu.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
  19. 19qx9wv44j8gdu.hostc.app/wallet-profileWallet profiler: smart money / exchange / bot label, balances, activity across Ethereum, Base, Arbitrum ($0.05 USDC)$0.05 Baserejecting–0% up
  20. 19qx9wv44j8gdu.hostc.app/crypto-newsCrypto news API with headline sentiment per token / topic ($0.01 USDC)$0.01 Baserejecting–0% up
  21. 19qx9wv44j8gdu.hostc.app/swap-riskSwap MEV / sandwich risk estimate + recommended slippage for a proposed trade ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  22. 19qx9wv44j8gdu.hostc.app/Service metadata and endpoint catalog rejecting–0% up
  23. 19zycewzj46p2t.hostc.app/.well-known/x402.jsonx402 v2 resource manifest with accepts[] per endpoint rejecting–0% up
  24. 19qx9wv44j8gdu.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
  25. 19qx9wv44j8gdu.hostc.app/.well-known/x402x402 discovery fan-out rejecting–0% up
  26. 19qx9wv44j8gdu.hostc.app/recommendFREE recommender: describe your goal, get the matching paid endpoint rejecting–0% up
  27. 19zycewzj46p2t.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
  28. 19zycewzj46p2t.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
  29. 19zycewzj46p2t.hostc.app/tx-explainTransaction explainer / decoder: plain-English swaps, transfers, approvals (flags unlimited approvals) ($0.01 USDC)$0.01 Baserejecting–0% up
  30. 19zycewzj46p2t.hostc.app/healthHealth check rejecting–0% up
  31. 19gc3q28jka355.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
  32. 19gc3q28jka355.hostc.app/tx-explainTransaction explainer / decoder: plain-English swaps, transfers, approvals (flags unlimited approvals) ($0.01 USDC)$0.01 Baserejecting–0% up
  33. 19gc3q28jka355.hostc.app/recommendFREE recommender: describe your goal, get the matching paid endpoint rejecting–0% up
  34. 19zycewzj46p2t.hostc.app/tools.jsonMCP-style tool definitions rejecting–0% up
  35. 19zycewzj46p2t.hostc.app/recommendFREE recommender: describe your goal, get the matching paid endpoint rejecting–0% up
  36. 19gc3q28jka355.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
  37. 19gc3q28jka355.hostc.app/address-checkScam / phishing / sanctioned (OFAC) address check before sending funds or approving (AML screening) ($0.005 USDC)$0.005 Baserejecting–0% up
  38. 19gc3q28jka355.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
  39. 19gc3q28jka355.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
  40. 19gc3q28jka355.hostc.app/stablecoin-pegStablecoin depeg monitor: USDC, USDT, DAI, USDe, FDUSD, PYUSD vs $1 ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  41. 19gc3q28jka355.hostc.app/.well-known/x402.jsonx402 v2 resource manifest with accepts[] per endpoint rejecting–0% up
  42. 19gc3q28jka355.hostc.app/crypto-newsCrypto news API with headline sentiment per token / topic ($0.01 USDC)$0.01 Baserejecting–0% up
  43. 19gc3q28jka355.hostc.app/healthHealth check rejecting–0% up
  44. 19zr8fbae882c5.hostc.app/tools.jsonMCP-style tool definitions rejecting–0% up
  45. 19zr8fbae882c5.hostc.app/wallet-profileWallet profiler: smart money / exchange / bot label, balances, activity across Ethereum, Base, Arbitrum ($0.05 USDC)$0.05 Baserejecting–0% up
  46. 19zr8fbae882c5.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
  47. 19zr8fbae882c5.hostc.app/polymarketPolymarket odds / prediction market probabilities by keyword ($0.005 USDC)$0.005 Baserejecting–0% up
  48. 19zr8fbae882c5.hostc.app/demoList of free sample responses rejecting–0% up
  49. 19zr8fbae882c5.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
  50. 19zr8fbae882c5.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
  51. 19zmaba6ifav5m.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
  52. 19zmaba6ifav5m.hostc.app/polymarketPolymarket odds / prediction market probabilities by keyword ($0.005 USDC)$0.005 Baserejecting–0% up
  53. 19zmaba6ifav5m.hostc.app/llms.txtAgent-readable documentation rejecting–0% up
  54. 19wtus724a3e3c.hostc.app/demoList of free sample responses rejecting–0% up
  55. 19wtus724a3e3c.hostc.app/wallet-profileWallet profiler: smart money / exchange / bot label, balances, activity across Ethereum, Base, Arbitrum ($0.05 USDC)$0.05 Baserejecting–0% up
  56. 19zmaba6ifav5m.hostc.app/.well-known/x402.jsonx402 v2 resource manifest with accepts[] per endpoint rejecting–0% up
  57. 19zmaba6ifav5m.hostc.app/tools.jsonMCP-style tool definitions rejecting–0% up
  58. 19wtus724a3e3c.hostc.app/address-checkScam / phishing / sanctioned (OFAC) address check before sending funds or approving (AML screening) ($0.005 USDC)$0.005 Baserejecting–0% up
  59. 19wtus724a3e3c.hostc.app/.well-known/x402x402 discovery fan-out rejecting–0% up
  60. 19wtus724a3e3c.hostc.app/recommendFREE recommender: describe your goal, get the matching paid endpoint rejecting–0% up
  61. 19wtus724a3e3c.hostc.app/polymarketPolymarket odds / prediction market probabilities by keyword ($0.005 USDC)$0.005 Baserejecting–0% up
  62. 19wtus724a3e3c.hostc.app/tx-explainTransaction explainer / decoder: plain-English swaps, transfers, approvals (flags unlimited approvals) ($0.01 USDC)$0.01 Baserejecting–0% up
  63. 19wtus724a3e3c.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
  64. 19wtus724a3e3c.hostc.app/.well-known/x402.jsonx402 v2 resource manifest with accepts[] per endpoint rejecting–0% up
  65. 19wtus724a3e3c.hostc.app/symbolsCoverage: symbols and chains rejecting–0% up
  66. 19newruntime.com/agent-payments/research-bundle-v2/volatile/%7Basset%7D/quote-previewPreview a server-priced non-USDC payment without signing rejecting–0% up
  67. 19newruntime.com/agent-inbox/submissions/%7Bsubmission_id%7D.jsonCheck a submission's moderation status rejecting–0% up
  68. 19ddn4qqcw9fxf.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
  69. 19ddn4qqcw9fxf.hostc.app/ensENS resolver: .eth name to address and reverse lookup, avatar ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  70. 19ddn4qqcw9fxf.hostc.app/Service metadata and endpoint catalog rejecting–0% up
  71. 19ddn4qqcw9fxf.hostc.app/polymarketPolymarket odds / prediction market probabilities by keyword ($0.005 USDC)$0.005 Baserejecting–0% up
  72. 19ddn4qqcw9fxf.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
  73. 19afriref.dev/v1/balanceFREE — remaining allowance for an API key (never metered) rejecting–0% up
  74. 19ddn4qqcw9fxf.hostc.app/.well-known/x402x402 discovery fan-out rejecting–0% up
  75. 19afriref.dev/v1/keys/free/reissueFREE — reissue a free API key to the address it was issued to rejecting–0% up
  76. 19afriref.dev/v1/keys/freeFREE — request a free API key by email (no card): 50 calls a day on answer endpoints, commercial use allowed, unmetered worldwide holidays, every brand rejecting–0% up
  77. 19euroref.dev/v1/business-days/betweenFREE — count business days between two dates rejecting–0% up
  78. 19asiaref.dev/v1/keys/free/verifyFREE — confirm a verification token and receive the key (shown once) rejecting–0% up
  79. 19ausref.dev/v1/business-days/betweenFREE — count business days between two dates rejecting–0% up
  80. 19asiaref.dev/v1/keys/freeFREE — request a free API key by email (no card): 50 calls a day on answer endpoints, commercial use allowed, unmetered worldwide holidays, every brand rejecting–0% up
  81. 19ausref.dev/v1/business-days/addFREE — add n business days to a date (negative n walks backward) rejecting–0% up
  82. 19asiaref.dev/v1/balanceFREE — remaining allowance for an API key (never metered) rejecting–0% up
  83. 19mearef.dev/v1/balanceFREE — remaining allowance for an API key (never metered) rejecting–0% up
  84. 19mearef.dev/v1/keys/free/verifyFREE — confirm a verification token and receive the key (shown once) rejecting–0% up
  85. 19ibnbnet5crpj.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
  86. 19ibnbnet5crpj.hostc.app/stablecoin-pegStablecoin depeg monitor: USDC, USDT, DAI, USDe, FDUSD, PYUSD vs $1 ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  87. 19ibnbnet5crpj.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
  88. 19ibnbnet5crpj.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
  89. 19ibnbnet5crpj.hostc.app/tools.jsonMCP-style tool definitions rejecting–0% up
  90. 19ibnbnet5crpj.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
  91. 19sift.srv1996466.hstgr.cloud/free/v1/ensENS lookup (free tries) rejecting–0% up
  92. 19n7xe672ikwyh.hostc.app/healthHealth check rejecting–0% up
  93. 19as478u63muzm.hostc.app/gasGas price / gas fee tracker + forecast for Ethereum, Base, Arbitrum ($0.001, cheapest call) ($0.001 USDC)$0.001 Baserejecting–0% up
  94. 19n7xe672ikwyh.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
  95. 19n7xe672ikwyh.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
  96. 19n7xe672ikwyh.hostc.app/address-checkScam / phishing / sanctioned (OFAC) address check before sending funds or approving (AML screening) ($0.005 USDC)$0.005 Baserejecting–0% up
  97. 19n7xe672ikwyh.hostc.app/mcpMCP endpoint info (POST JSON-RPC for tools/list, tools/call) rejecting–0% up
  98. 19n7xe672ikwyh.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
  99. 19n7xe672ikwyh.hostc.app/Service metadata and endpoint catalog rejecting–0% up
  100. 19n7xe672ikwyh.hostc.app/stablecoin-pegStablecoin depeg monitor: USDC, USDT, DAI, USDe, FDUSD, PYUSD vs $1 ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up