{"uid":"cap_pvQiem7oRWjBc1rzV5S7U","slug":"x402-reliability-evaluator-c646a681","name":"x402 Reliability Evaluator","description":"Fresh reliability evaluation for public x402 services. Checks HTTPS reachability, unpaid HTTP 402 behavior, PAYMENT-REQUIRED decoding, discovery metadata, schemas, and quote consistency. Returns a deterministic scored report and public report URL. No account or API key; exact USDC payment on Base.","url":"https://agent-production-1daa.up.railway.app/v1/reliability/evaluate?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"method":{"enum":["GET","POST"],"type":"string"},"sampleBody":{"type":"object","description":"Optional bounded JSON body for a POST probe"},"resourceUrl":{"type":"string","description":"Public HTTPS x402 resource URL to evaluate"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oiGlkxb6kXW6x-R6hxumk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Evaluates the reliability of a public x402 service endpoint by checking HTTPS reachability, 402 behavior, payment decoding, discovery metadata, schemas, and quote consistency, returning a scored report.","exampleAgentPrompt":"Run a reliability evaluation on the x402 service at https://api.example.com/v1/data using a GET request — I want a scored report on whether its 402 behavior, payment metadata, and quote consistency are all correct.","exampleUseCases":[{"title":"Pre-listing x402 service audit","prompt":"Before I list my new x402 API at https://myservice.com/v1/resource, can you run a full reliability evaluation on it with a GET probe so I know if the 402 responses and payment metadata are correct?"},{"title":"Monitoring competitor x402 service health","prompt":"Check whether the x402 endpoint at https://partner-api.io/data is still reliably returning correct unpaid 402 responses and consistent payment quotes — use a GET request and give me the full scored report."},{"title":"Debugging broken x402 POST endpoint","prompt":"My x402 POST endpoint at https://myapp.com/v1/infer seems to be misconfigured — can you evaluate its reliability with a POST probe using sample body {\"prompt\":\"hello\"} and tell me exactly what's failing in the 402 behavior or payment schema?"}],"resultDescription":"A deterministic scored reliability report covering HTTPS reachability, correct HTTP 402 behavior on unpaid requests, PAYMENT-REQUIRED header decoding, discovery metadata presence and correctness, schema validation, and payment quote consistency. Also returns a public URL where the full report can be viewed.","failureModes":["Resource URL is not publicly reachable — HTTPS connection fails","Target URL does not implement x402 protocol — no 402 response returned","Malformed resourceUrl input — validation error returned","Service temporarily unavailable — Railway hosting downtime","Payment not received or incorrect USDC amount — request rejected before evaluation","POST probe with sampleBody times out on slow target endpoints"],"whenToPreferThis":"Use this endpoint when you need an objective, deterministic reliability score for any public x402-protocol service — particularly before listing a new x402 endpoint, debugging 402 configuration issues, or verifying that payment metadata and quote consistency meet spec. It is the only known purpose-built evaluator for x402 compliance, making it the clear choice over generic HTTP health checkers that have no understanding of x402 payment semantics.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T00:31:00.930Z","isFirstParty":false,"canonicalSlug":"x402-reliability-evaluator-c646a681"}