{"uid":"cap_WSdcEhLtzKZuoMERWNBjV","slug":"delx-commerce-record-fingerprint-9da34889","name":"Delx Commerce Record Fingerprint","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/record-fingerprint?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"record":{"type":"object","description":"Input field: record."}}},"responseSchema":{"type":"json","example":{"schema":"delx/util-record-fingerprint/v1","algorithm":"sha256","fingerprint":"16e1f64597cd8012eca960a1f62715444c0999b8bd2ab48d479f544f05751c26","canonicalization":"sorted JSON keys, compact separators, default string conversion"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_iOneavhsgNW6g_uNcuPNI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a deterministic SHA-256 fingerprint of a JSON record using sorted keys and compact separators for verifiable, canonical hashing.","exampleAgentPrompt":"Compute a canonical SHA-256 fingerprint of this JSON record for me so I can verify its integrity later: {\"user_id\": 42, \"action\": \"purchase\", \"amount\": 9.99}.","exampleUseCases":[{"title":"Tamper detection for agent outputs","prompt":"Take this JSON result my data pipeline produced and give me a SHA-256 fingerprint so I can store it alongside the record and verify it hasn't been altered later: {\"order_id\": \"ORD-8821\", \"status\": \"shipped\", \"timestamp\": \"2024-06-01T10:00:00Z\"}."},{"title":"Deduplication key for event records","prompt":"I'm getting duplicate events from my webhook and need a stable canonical hash to deduplicate them — fingerprint this event object for me: {\"event\": \"user_signup\", \"email\": \"alice@example.com\", \"ts\": 1717200000}."},{"title":"Audit trail integrity proof","prompt":"Before I archive this audit log entry, generate a canonical SHA-256 fingerprint of it so I can put it in an immutable log as a proof of the record's content: {\"actor\": \"admin\", \"action\": \"delete_user\", \"target\": \"user_99\", \"reason\": \"GDPR request\"}."}],"resultDescription":"Returns a JSON object containing the schema identifier (delx/util-record-fingerprint/v1), the hashing algorithm used (sha256), the computed hex fingerprint string, and a description of the canonicalization method (sorted JSON keys, compact separators, default string conversion).","failureModes":["Missing or null 'record' field returns a validation error","Non-serializable input values (e.g. circular references) may cause a processing error","Payment failure via x402 results in a 402 Payment Required response before processing","Malformed JSON body returns a 400 Bad Request","Network timeout on the Base/Solana payment rails delays response"],"whenToPreferThis":"Choose this endpoint when you need a deterministic, canonical, and verifiable SHA-256 fingerprint of a JSON record without setting up your own hashing infrastructure. It is ideal for agents that need tamper detection, deduplication keys, or audit trail proofs in a pay-per-use model with no signup required. Prefer it over local hashing when you need a standardized canonicalization scheme (sorted keys, compact separators) that is reproducible across systems and languages.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:50:14.082Z","isFirstParty":false,"canonicalSlug":"delx-commerce-record-fingerprint-9da34889"}