{"uid":"cap_NHc8GaS724-Cy_ip7QB44","slug":"402check-x402-endpoint-audits-for-agents-a961bfac","name":"402Check — x402 Endpoint Audits for Agents","description":"Audit any x402 payment endpoint for protocol and discovery compatibility.","url":"https://agent-json-utility.pablovph.chatgpt.site/v1/launch-report","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"origin":{"type":"string","format":"uri","description":"Public HTTPS origin whose OpenAPI and x402 routes should be audited"}}},"responseSchema":{"type":"json","example":{"ready":true,"score":94,"origin":"https://api.example.com","summary":"Launch-ready: two paid routes passed discovery and runtime probes.","findings":[{"id":"openapi","passed":true,"message":"OpenAPI 3.1 document is public and parseable","severity":"error"}],"paidRoutes":2,"endpointAudits":[],"prioritizedFixes":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"20","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":"$20/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"20","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"20","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_v-bgex6LQb7iQueax2rBf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"20","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Audits a public HTTPS origin for x402 payment protocol compliance and agent-discovery compatibility, returning a scored report with findings and prioritized fixes.","exampleAgentPrompt":"Can you run an x402 audit on https://api.myservice.com and give me a readiness score with a list of what I need to fix before launch?","exampleUseCases":[{"title":"Pre-launch x402 API readiness check","prompt":"I'm about to launch my paid API at https://payments.myapp.io — can you run an x402 audit on it and tell me if it's agent-discovery ready and what the score is?"},{"title":"Debugging failed x402 probe in bazaar","prompt":"My endpoint at https://api.acmecorp.dev keeps failing the x402 probe on bazaar — can you audit it and show me exactly which findings are errors so I know what to fix?"},{"title":"Verifying OpenAPI and paid route compliance","prompt":"Can you check whether https://api.devtools.run has a parseable OpenAPI 3.1 document and that its paid routes are passing x402 runtime probes? I need to see the full findings list."}],"resultDescription":"Returns a JSON object with a boolean 'ready' flag, a numeric score (0–100), the audited origin, a human-readable summary, an array of findings (each with an id, passed status, message, and severity), the count of paid routes found, per-endpoint audit details, and a prioritized list of fixes to address before launch.","failureModes":["Origin URL is not publicly reachable — audit cannot fetch OpenAPI spec or probe routes","Origin has no x402 routes — report returns zero paidRoutes and a low score","OpenAPI document is malformed or inaccessible — openapi finding fails with severity:error","TLS/HTTPS issues on the target origin cause probe failures","Rate limiting or firewall on the target origin blocks the audit probes","Invalid URI format passed as origin — request rejected with validation error"],"whenToPreferThis":"Choose this endpoint when you need a structured, scored compliance report specifically for the x402 payment protocol — especially before listing an endpoint on a facilitator or agent marketplace like bazaar. It goes beyond a simple HTTP probe by also checking OpenAPI discoverability, route-level runtime probes, and returning actionable prioritized fixes, making it ideal for developers preparing to launch or debug x402-compatible paid APIs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:38:47.118Z","isFirstParty":false}