{"uid":"cap_GCK-Z_b31IgK6pVBoKSdX","slug":"transaction-assurance-3c582123","name":"Transaction Assurance","description":"Independently verify authorization, settlement, delivery and deterministic acceptance; return a signed portable assurance receipt","url":"https://phion.systems/v1/paid/transaction-assurance?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["body"],"properties":{"body":{"type":"object","additionalProperties":true}}},"output":{"type":"object","required":["example"],"properties":{"example":{"type":"object","additionalProperties":true}}}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.015","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":"$0.015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_BUpuwVXbatBXTRM6K2xtO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Independently verifies authorization, settlement, delivery, and deterministic acceptance of a transaction, then returns a signed portable assurance receipt","exampleAgentPrompt":"Can you independently verify that this transaction was properly authorized, settled, and delivered — and give me back a signed portable assurance receipt I can use as proof?","exampleUseCases":[{"title":"Agentic payment settlement audit","prompt":"I just had my AI agent complete a payment — can you verify the authorization, settlement, and delivery all went through correctly and hand me back a signed receipt I can keep as proof?"},{"title":"Pre-release goods confirmation","prompt":"Before I release the digital goods to the buyer, verify that the transaction was deterministically accepted and settled, and give me a signed assurance receipt confirming it."},{"title":"Cross-agent transaction attestation","prompt":"An upstream agent says it paid for a service — independently verify the authorization and settlement of that transaction and return a signed portable receipt so I can trust the claim before proceeding."}],"resultDescription":"A signed portable assurance receipt confirming the independent verification of transaction authorization, settlement, delivery, and deterministic acceptance — usable as cryptographic proof that the transaction completed correctly.","failureModes":["Transaction not found or unrecognizable — returns error indicating the provided transaction data could not be located or matched","Authorization check fails — receipt indicates the transaction was not properly authorized","Settlement not confirmed — assurance result shows settlement has not completed or is pending","Delivery unverifiable — endpoint cannot confirm delivery status and flags it in the receipt","Malformed input — missing or invalid transaction fields result in a validation error","Deterministic acceptance not met — transaction fails acceptance criteria and receipt reflects rejection"],"whenToPreferThis":"Choose this endpoint when you need independent, third-party verification of a payment transaction's full lifecycle — authorization, settlement, delivery, and acceptance — and require a signed portable receipt as cryptographic proof. Prefer it over simple payment status checks when auditability, non-repudiation, or cross-agent trust is required, such as before releasing goods, granting access, or chaining agent actions that depend on a confirmed prior payment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T06:54:12.075Z","isFirstParty":false,"canonicalSlug":"transaction-assurance-3c582123"}