{"uid":"cap_z3KJkH2Dks-6Obt-Fxrl3","slug":"agentresolver-x402-payment-preflight-payto-verification-515fed4e","name":"AgentResolver — x402 Payment Preflight & PayTo Verification","description":"Continuously check whether AI agents can discover, call and pay your API, MCP server or x402 service. Free live checks and GitHub Action monitoring.","url":"https://agentresolver.vercel.app/api/agent-distribution-pack?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"tags":{"type":"array","items":{"type":"string","maxLength":60},"maxItems":12},"origin":{"type":"string","pattern":"^https://"},"mcpName":{"type":"string","maxLength":160},"version":{"type":"string","maxLength":40},"openapiUrl":{"type":"string","pattern":"^https://"},"description":{"type":"string","maxLength":500,"minLength":1},"mcpEndpoint":{"type":"string","pattern":"^https://"},"providerName":{"type":"string","maxLength":120,"minLength":1},"repositoryUrl":{"type":"string","pattern":"^https://"},"primaryEndpoint":{"type":"string","pattern":"^https://"}}},"responseSchema":{"type":"json","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"5","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XhGqqLUmuI51mH-Teosn4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies an x402-enabled endpoint before payment by checking the live payTo address, USDC price quote, network, asset, resource binding, TLS, and endpoint safety.","exampleAgentPrompt":"Before my agent pays, can you preflight-check this x402 endpoint at https://api.example.com/data — verify the payTo address, USDC quote, and TLS safety on Base so I know it's safe to call?","exampleUseCases":[{"title":"Safe payment verification before agent call","prompt":"I'm about to have my AI agent pay an x402 endpoint at https://dataprovider.io/premium — can you verify the payTo wallet, USDC price quote, and TLS certificate before it sends any funds?"},{"title":"Audit new MCP tool before integrating","prompt":"We're adding a new MCP tool to our agent stack from provider 'DataCo' at https://dataco.io/mcp — run an x402 preflight check to confirm the payTo address, network (Base or Solana), and resource binding are all correctly configured."},{"title":"Validate x402 endpoint for agent marketplace listing","prompt":"I want to list my x402 API at https://myagentapi.com/endpoint on an agent marketplace — can you run a full preflight verification of the payTo address, USDC quote, TLS, and endpoint safety so I can confirm everything is set up right?"}],"resultDescription":"A JSON report detailing the live payTo wallet address, USDC price quote, blockchain network (Base or Solana), asset type, resource binding validity, TLS status, and overall endpoint safety assessment for the submitted x402 endpoint.","failureModes":["Endpoint URL is unreachable or returns non-402 status — safety check fails with connectivity error","TLS certificate is invalid or expired — flagged as unsafe endpoint","payTo address is malformed or does not match expected network format — validation fails","USDC quote is missing or zero — pricing check returns error","Resource binding mismatch — endpoint description does not match declared capabilities","Input URL does not match required https:// pattern — schema validation error","providerName or description missing — required field validation error"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to programmatically verify the legitimacy and safety of an x402-gated API before committing a USDC micropayment. It is especially useful when integrating unknown or third-party x402 endpoints into an agent workflow, when listing services on agent marketplaces, or when building payment-aware agents that must confirm payTo addresses and pricing before executing on Base or Solana.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T06:34:16.945Z","isFirstParty":false,"canonicalSlug":"agentresolver-x402-payment-preflight-payto-verification-83d3a2d3"}