{"uid":"cap_nwzgfOAqX8n4IpdoBU5MP","slug":"x402-attestation-verify-ec521084","name":"x402 Attestation Verify","description":"24 paid x402 infrastructure APIs for AI agent fleets: buy advisor, audition coach, guard, proxy, MPP, attestations, and pipeline orchestration.","url":"https://x402-agent-suite-production.up.railway.app/api/attestation/verify?utm_source=zero.xyz","method":"POST","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["ok","attestation"],"properties":{"ok":{"type":"boolean"},"attestation":{"type":"object","required":["attestationId","allowed"],"properties":{"allowed":{"type":"boolean"},"attestationId":{"type":"string"}}}}}}}}},"responseSchema":{"type":"json","example":{"ok":true,"attestation":{"allowed":true,"attestationId":"att_example"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.020000","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":"$0.020000/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WRZZaLR7Wi9SeZ-wYgMYZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies the validity of a blockchain attestation record on Base or Solana via a paid API call","exampleAgentPrompt":"Can you verify attestation ID 'att_abc123xyz' on Base to confirm it's valid and hasn't been revoked?","exampleUseCases":[{"title":"Onboard verified Web3 users safely","prompt":"Before we let this new user access our platform, can you quickly verify their identity attestation on Solana? I need to know if it's still active and legitimate."},{"title":"Validate credentials before granting access","prompt":"This person claims they have a verified developer credential. Can you check if attestation ID 'att_dev_2024' is valid on Base so we know we can trust their qualification?"},{"title":"Check proof of achievement authenticity","prompt":"A user submitted a blockchain-based proof of their achievement. Can you verify whether that attestation actually exists and is valid on Solana before we award them the badge?"}],"resultDescription":"Returns a verification outcome indicating whether the specified attestation is valid, along with relevant attestation details such as issuer, subject, status, and any associated metadata from the Base or Solana registry.","failureModes":["Invalid or malformed attestationId returns a 400 error","Attestation not found on-chain returns a not-found or null result","Payment failure on Base or Solana prevents the call from completing","Network or RPC issues with Base/Solana cause timeouts or 5xx errors","Attestation has been revoked, returning a valid response but with revoked status"],"whenToPreferThis":"Use this endpoint when you need to cryptographically verify that a specific attestation ID exists and is valid on Base or Solana blockchains, particularly in workflows involving decentralized identity, credential verification, or trust establishment for on-chain claims. Prefer this over the lookup endpoint when you need a definitive validity check rather than just retrieving attestation data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T12:40:43.785Z","isFirstParty":false,"canonicalSlug":"x402-attestation-verify-ec521084"}