{"uid":"cap_T7C7w8KFvtZtuybRwo357","slug":"omni-paid-integrity-verification-api-764bd486","name":"OMNI Paid Integrity Verification API","description":"Machine-payable SHA-256 pinned-evidence verification with signed execution and settlement evidence.","url":"https://omni-x402-integrity.azzbackwardz01.chatgpt.site/v1/verify?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"inputs":{"type":"array","items":{"type":"object","required":["id","content_b64","expected_sha256"],"properties":{"id":{"type":"string","maxLength":128,"minLength":1},"content_b64":{"type":"string","description":"RFC 4648 standard Base64-encoded artifact bytes."},"expected_sha256":{"type":"string","pattern":"^[0-9a-f]{64}$","description":"Caller-pinned lowercase SHA-256 digest."}},"additionalProperties":false},"maxItems":20,"minItems":1}}},"responseSchema":{"type":"json","schema":{"type":"object","required":["service_id","payment_id","request_sha256","result","execution_proof","receipt_url"],"properties":{"result":{"type":"object","required":["overall_status","items"],"properties":{"items":{"type":"array","items":{"type":"object","required":["id","expected_sha256","actual_sha256","status","byte_length"],"properties":{"id":{"type":"string"},"status":{"enum":["MATCH","MISMATCH"],"type":"string"},"byte_length":{"type":"integer","minimum":0},"actual_sha256":{"type":"string","pattern":"^[0-9a-f]{64}$"},"expected_sha256":{"type":"string","pattern":"^[0-9a-f]{64}$"}},"additionalProperties":false}},"overall_status":{"enum":["MATCH","MISMATCH"],"type":"string"}},"additionalProperties":false},"payment_id":{"type":"string","pattern":"^pay_[0-9a-f]{40}$"},"service_id":{"type":"string","const":"pinned-evidence-integrity-verification/v1"},"receipt_url":{"type":"string","format":"uri"},"request_sha256":{"type":"string","pattern":"^[0-9a-f]{64}$"},"execution_proof":{"type":"object","required":["algorithm","kid","payload","signature"],"properties":{"kid":{"type":"string","const":"urn:omni:sirfixall:receipt-key:sites-v1"},"payload":{"type":"object"},"algorithm":{"type":"string","const":"EdDSA"},"signature":{"type":"string"}}}}},"example":{"result":{"overall_status":"MATCH"},"service_id":"pinned-evidence-integrity-verification/v1"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bpX2uPFtl9BqkHKULgmUf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies that base64-encoded content matches a pinned SHA-256 hash, returning signed execution and settlement evidence for each item checked.","exampleAgentPrompt":"Can you verify that these three files haven't been tampered with? File 1 ID is 'report-2024-q1', its content is 'SGVsbG8gV29ybGQ=', and its expected SHA-256 is 'a948904f2f0f479b8f936e7b4cecd56b3c56b19f82a...'. Run the SHA-256 integrity check and give me back a signed verification result.","exampleUseCases":[{"title":"Audit evidence integrity check","prompt":"I need to verify that this signed audit log file hasn't been altered — the file ID is 'audit-log-2024-05', here's the base64 content, and the expected SHA-256 is 'b94d27b9934d3e08a52e52d7da7dabfac484efe04294e576f1d5a53a60a28a29'. Can you run an integrity check and get me the signed result?"},{"title":"Compliance document tamper detection","prompt":"We need to confirm these two contract PDFs match their original hashes before submitting them for compliance review — ID 'contract-A' with expected hash 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855' and ID 'contract-B' with its own hash. Please verify both and return the signed settlement evidence."},{"title":"Downloaded artifact checksum verification","prompt":"I just downloaded a software release artifact and want to make sure it matches the published checksum before installing it. The item ID is 'release-v2.1.0', here's the base64-encoded binary, and the pinned SHA-256 is 'cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce'. Can you verify it matches?"}],"resultDescription":"Returns a JSON object containing an overall_status field (e.g. 'MATCH' or 'MISMATCH') indicating whether all submitted items matched their expected SHA-256 hashes, along with a service_id and signed execution and settlement evidence for the transaction.","failureModes":["Invalid base64 content causes decoding error","SHA-256 hash format mismatch (not 64 lowercase hex characters) causes schema rejection","Content hash does not match expected SHA-256 returns MISMATCH status","More than 20 items submitted in a single request causes validation error","Payment failure (insufficient USDC balance or x402 protocol error) blocks execution","Empty items array rejected by minItems:1 constraint"],"whenToPreferThis":"Choose this endpoint when you need cryptographic proof that content matches a known SHA-256 hash AND require a signed, machine-verifiable settlement receipt proving the check was paid for and executed — particularly useful in compliance, audit, or legal contexts where a payment-attested verification record adds evidentiary value. Prefer this over free hash-check utilities when the verification needs to be auditable and monetized as part of an automated agent workflow.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:34:27.878Z","isFirstParty":false,"canonicalSlug":"omni-paid-integrity-verification-api-764bd486"}