{"uid":"cap_sWADJu9Kf3_zpefybTPUi","slug":"agent-seller-ops-x402-audit-331a3557","name":"Agent Seller Ops x402 Audit","description":"Deterministic paid checks for autonomous-agent sellers to validate x402 payment compatibility and agent tool schemas before publishing.","url":"https://agent-seller-ops.inboxtzdjqv.workers.dev/v1/x402-audit?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"body":{"type":"object"},"method":{"enum":["GET","POST"],"type":"string"}}},"responseSchema":{"type":"json","example":{"score":100,"checks":[],"target":"https://seller.example/v1/tool","challenge":{},"compatible":true,"httpStatus":402,"x402Version":2}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.009","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":"$0.009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6aws1wcV9T24iOVoZj-rA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.009","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether an agent tool endpoint is x402 payment-compatible and has a correct agent tool schema before publishing.","exampleAgentPrompt":"Can you run an x402 audit on my agent tool at https://seller.example/v1/tool using a POST request to make sure it's payment-compatible and the schema is correct before I publish it?","exampleUseCases":[{"title":"Pre-publish x402 compatibility check","prompt":"Before I list my new agent tool on the marketplace, can you audit https://my-agent-api.example.com/v1/search with a POST method to confirm it's x402-compatible and score how ready it is?"},{"title":"Debugging a failing 402 handshake","prompt":"My agent tool at https://api.myservice.dev/v1/analyze keeps failing x402 payment handshakes — can you run an audit on it via POST and tell me exactly which checks are failing?"},{"title":"Validating tool schema before agent integration","prompt":"I'm about to integrate https://tools.myplatform.io/v1/generate into an agent fleet — please audit it with a GET request to verify the tool schema is correct and it scores well for x402 payment compatibility."}],"resultDescription":"Returns a JSON object with a numeric compatibility score (0-100), a list of individual audit checks performed, the target URL, the x402 challenge object, a boolean indicating full x402 compatibility, the HTTP status code observed (e.g. 402), and the detected x402 protocol version.","failureModes":["Target URL is unreachable or returns unexpected non-402 status — audit may report incompatible with failed checks","Malformed input URL causes validation error before reaching the target","Target endpoint does not implement x402 at all — score of 0 and compatible:false returned","Network timeout reaching the target endpoint — request may fail or return partial results","Invalid method enum value in request body causes schema rejection"],"whenToPreferThis":"Use this endpoint when you are an autonomous agent seller preparing to publish a tool endpoint and need a deterministic, paid, objective audit of x402 payment compatibility and tool schema correctness. Prefer this over manual testing when you need a scored, structured report that can be programmatically consumed, and especially before listing on agent marketplaces or facilitators that require x402 compliance.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T00:31:52.372Z","isFirstParty":false,"canonicalSlug":"agent-seller-ops-x402-audit-331a3557"}