{"uid":"cap_NQn0wvPBvsLy_XcubXGaj","slug":"saylor-innovations-x402-endpoint-audit-6a592742","name":"Saylor Innovations x402 Endpoint Audit","description":"x402 endpoint buyer audit - compliance, pricing, networks, metadata, schema and risk score before payment","url":"https://saylorinnovations.com/api/x402check/audit?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"the x402 resource URL to score before an agent pays it (query)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["url","verdict","score"],"properties":{"url":{"type":"string","description":"Canonical URL"},"score":{"type":"number","description":"Score from 0 (worst) to 100 (best)"},"pricing":{"type":"object"},"reasons":{"type":"array","items":{"type":"string"},"description":"Evidence behind the verdict or score"},"verdict":{"type":"string","description":"Overall assessment derived from the listed reasons"},"contract":{"type":"object","description":"Contract address"},"strengths":{"type":"array","items":{"type":"string"}},"verification":{"type":"object"},"payment_options":{"type":"object","description":"Payment options"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Nv_1Buy4hjm5CkrVaGCjG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Audits an x402-gated URL before payment, returning compliance status, pricing details, supported networks, metadata, schema, and a risk score","exampleAgentPrompt":"Before I pay for it, can you audit the x402 endpoint at https://example.com/api/data and tell me its risk score, pricing, supported networks, and whether it's safe to call?","exampleUseCases":[{"title":"Pre-payment safety check for unknown API","prompt":"I found this x402 API at https://some-provider.com/api/weather and I want to pay for it, but first can you audit it and tell me the risk score, what networks it supports, and whether the pricing looks legitimate?"},{"title":"Automated agent guardrail before x402 call","prompt":"Before my agent pays the x402 endpoint at https://dataprovider.io/api/prices, run an audit on it and only proceed if the score is above 70 and there are no compliance red flags."},{"title":"Comparing trustworthiness of x402 endpoints","prompt":"I have two x402 endpoints I'm considering — can you audit https://api.one.com/feed first and give me its verdict, strengths, and risk score so I can decide if it's worth paying for?"}],"resultDescription":"Returns a JSON object with the canonical URL, a numeric risk/quality score from 0–100, a text verdict summarizing the assessment, an array of reasons/evidence behind the verdict, pricing details, supported payment options, contract address, verification data, and strengths identified for the endpoint.","failureModes":["URL parameter missing — returns validation error requiring the 'url' query parameter","Target URL is unreachable or returns no x402 headers — may return low score with explanation","Invalid or malformed URL provided — returns error or low-confidence assessment","Target endpoint has no recognizable x402 metadata — audit may return minimal results with low score","Rate limiting or upstream timeout — may return partial or error response"],"whenToPreferThis":"Use this endpoint when an AI agent is about to pay for an x402-gated resource and needs a pre-payment trust assessment. It is the only known dedicated audit/scoring service for x402 endpoints, offering compliance checking, pricing validation, network support verification, and risk scoring in a single call. Prefer this over manual inspection when automating agent workflows that dynamically discover and pay x402 APIs, especially when the provider is unknown or untrusted.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-26T06:38:47.496Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-x402-endpoint-audit-6a592742"}