{"uid":"cap_gyCoEiZMYTk5CWtVqU8gX","slug":"delx-record-fingerprint-8393286f","name":"Delx Record Fingerprint","description":"Create a stable SHA-256 fingerprint from canonical JSON. Use it as a bounded preflight or analysis step inside an enterprise agent workflow before data, policy, integration, security, or commercial decisions reach production. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base. Execution is first-party, local-only, stateless, memory-only, and has no paid upstream or input retention. Results are advisory; the caller remains responsible for authorization and production co…","url":"https://api.delx.ai/api/v1/x402/record-fingerprint","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_egHzPlI73FL8vJgl1G63d","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":"Generates a deterministic SHA-256 fingerprint from a canonical JSON record for use as a preflight or analysis step in enterprise agent workflows.","exampleAgentPrompt":"Generate a stable SHA-256 fingerprint for this JSON record so I can detect if it changes between pipeline steps: {\"userId\":\"abc123\",\"role\":\"admin\",\"permissions\":[\"read\",\"write\"]}.","exampleUseCases":[{"title":"Deduplication preflight in data pipeline","prompt":"Before inserting this customer record into the database, generate a SHA-256 fingerprint for it so I can check if we've already processed it: {\"customerId\":\"C-9912\",\"name\":\"Acme Corp\",\"tier\":\"enterprise\"}."},{"title":"Policy change detection audit","prompt":"Fingerprint this policy JSON so I can compare it against last week's version and flag any tampering: {\"policyId\":\"P-44\",\"rules\":[\"no-external-egress\",\"require-mfa\"],\"version\":2}."},{"title":"Cache key generation for API responses","prompt":"I need a deterministic cache key for this canonical JSON payload — can you compute a SHA-256 fingerprint for it? {\"endpoint\":\"/pricing\",\"market\":\"US\",\"tier\":\"pro\",\"currency\":\"USD\"}."}],"resultDescription":"Returns a machine-readable JSON object containing the deterministic SHA-256 fingerprint of the input record. The result is stateless and advisory — no data is retained after execution.","failureModes":["Empty or null record object causes validation error","Non-serializable or circular JSON object may fail canonicalization","Malformed input schema returns a 4xx error","Upstream payment failure (x402) blocks execution and returns payment-required error"],"whenToPreferThis":"Choose this endpoint when you need a fast, stateless, deterministic SHA-256 fingerprint of a JSON record with no data retention — ideal for preflight deduplication, cache key generation, tamper detection, or audit logging inside enterprise agent workflows. Prefer it over general-purpose hashing libraries when you need a pay-per-call, infrastructure-free solution that integrates directly into an agent pipeline via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T19:02:05.370Z","isFirstParty":false}