{"apiVersion":"1.0.0","schemaVersion":1,"generatedAt":"2026-08-05T04:24:21.954Z","resource":{"id":"6117e945411ed72aaf18711b","key":"POST https://api.immuta.app/seal","method":"POST","resourceUrl":"https://api.immuta.app/seal","alternateResourceUrls":["https://api.immuta.app/seal"],"canonicalUrl":"https://api.immuta.app/seal","origin":"https://api.immuta.app","hostname":"api.immuta.app","groupId":"api-immuta-app-df104f6e","providerName":"Immuta","title":"Immuta Seal - On-Chain Document Notarization","description":"On-chain notarization for documents and data. Send a SHA-256 hash; receive a permanent, timestamped, independently verifiable blockchain record proving the content existed at this moment - plus a downloadable PDF Certificate of Existence. The document itself never leaves your system; only the hash is transmitted. Use for contracts, agreements, audit trails, IP protection, compliance records, and AI-output provenance. Anyone can verify a seal without trusting this service. $1.00 per seal, paid via x402 in USDC on Base.","tags":["notary","proof","timestamping","verification/notary"],"type":"http","x402Version":2,"routeTemplate":null,"input":{"type":"http","method":"POST","bodyType":"json","bodyFieldNames":["label","note","sha256"],"pathParamNames":[],"queryParamNames":[]},"iconUrl":null,"payment":{"networks":["eip155:8453"],"schemes":["exact"],"assets":["0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","USD Coin"],"options":[{"network":"eip155:8453","scheme":"exact","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","amountAtomic":"1000000","payTo":"0xB60a3181303953E6F909ba4d3b09282BEefCDD6B","maxTimeoutSeconds":300,"tokenName":"USD Coin","tokenVersion":"2"}],"acceptedPaymentCount":1,"priceUsd":null},"quality":{"l30DaysTotalCalls":7,"l30DaysUniquePayers":1,"lastCalledAt":"2026-07-14T18:53:50.899Z"},"registry":{"health":"healthy","reliabilityScore":95,"paymentValid":true,"domainVerified":true,"lastChecked":"2026-08-05 00:25:48"},"sources":[{"id":"cdp-bazaar","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","observedAt":"2026-08-05T04:23:21.631Z","lastUpdated":"2026-07-14T18:53:51.305Z","recordKey":"POST https://api.immuta.app/seal"},{"id":"402-index","sourceUrl":"https://402index.io/api/v1/services","observedAt":"2026-08-05T04:23:21.631Z","lastChecked":"2026-08-05 00:25:48","registrySource":"bazaar","recordKey":"POST https://api.immuta.app/seal"}],"verification":{"level":"origin-and-cross-source","checkedAt":"2026-08-05T02:58:15.742Z","structural":{"ok":true,"normalized":true,"publicHttpUrl":true},"sourceConfirmed":true,"crossSource":true,"registryPaymentValid":true,"originCheck":{"scope":"origin","reachable":true,"statusCode":405,"method":"OPTIONS","checkedAt":"2026-08-05T02:57:09.692Z","latencyMs":557,"error":null},"quoteCheck":{"scope":"exact-route","outcome":"not-safely-testable","attempted":false,"requestedMethod":null,"statusCode":null,"finalUrl":"https://api.immuta.app/seal","redirectCount":0,"checkedAt":"2026-08-05T02:58:15.742Z","latencyMs":null,"reason":"potentially-mutating-method:POST","requirementCount":0},"quote":null,"paidCall":{"verified":false,"checkedAt":null,"network":null,"receiptReference":null,"outputReviewed":false}},"curation":{"status":"qualified","basis":"qualified-signals","matchScope":null,"listingSlug":null,"providerListingSlug":null,"listingName":null,"kind":null,"categories":[],"editorialDescription":null,"docsUrl":null,"sourceUrl":null}}}