{"uid":"cap_sr9EiChldZyKiRbHx3iOb","slug":"x402-endpoint-safety-verifier-3ea71e9a","name":"x402 Endpoint Safety Verifier","description":"Checks whether an x402 endpoint is safe to pay: liveness, 402-compliance, payTo/price sanity, landmine flags; returns SAFE/CAUTION/SUSPECT/DEAD","url":"https://judicious-earnest-vaporware.replit.app/verify?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":["target"],"properties":{"target":{"type":"string","description":"The x402 endpoint / URL to safety-check"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_THBYtL63AXUewJuHHmJLD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a given x402 payment endpoint is safe to pay by evaluating liveness, 402-compliance, payTo/price sanity, and landmine flags, returning a safety verdict of SAFE, CAUTION, SUSPECT, or DEAD.","exampleAgentPrompt":"Before paying that x402 API, can you safety-check https://some-api.example.com/data — I want to know if it's SAFE, CAUTION, SUSPECT, or DEAD before my agent sends any USDC?","exampleUseCases":null,"resultDescription":"A safety verdict of SAFE, CAUTION, SUSPECT, or DEAD for the target x402 endpoint, along with details on liveness, 402-compliance, payTo/price sanity checks, and any landmine flags detected.","failureModes":["Target URL unreachable — endpoint may return DEAD verdict","Target does not respond with HTTP 402 — flagged as non-compliant","Missing or malformed target query parameter — returns 400 error","Target has suspicious payTo address — returns SUSPECT with flags","Price anomaly detected on target — returns CAUTION or SUSPECT","Verifier service itself is down — no response from /verify"],"whenToPreferThis":"Use this endpoint before your agent pays any x402 micropayment endpoint, especially when the endpoint was discovered dynamically or from an untrusted source. It is purpose-built for x402 safety screening with liveness checks, compliance validation, and fraud-signal detection — prefer it over generic uptime monitors or manual inspection when you need a structured SAFE/CAUTION/SUSPECT/DEAD verdict before committing funds.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:04:37.490Z","isFirstParty":false,"canonicalSlug":"x402-endpoint-safety-verifier-3ea71e9a"}