{"uid":"cap_ERcUcLgw3WMvDeVDwWRwB","slug":"proof-of-service-4440cf31","name":"Proof of Service","description":"Commit request, authority, execution, payment and delivery evidence in one auditable proof","url":"https://phion.systems/v1/paid/trust/proof-of-service?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":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_KIcL2mbEFmlOnyGofUkpZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Commits request, authority, execution, payment, and delivery evidence together into a single auditable proof record","exampleAgentPrompt":"Create a proof-of-service record that bundles the request authorization, execution log, payment confirmation, and delivery evidence for the task we just completed, so there's a single auditable receipt covering the whole service journey.","exampleUseCases":[{"title":"Audit trail for paid agent task","prompt":"We just finished an AI agent job that was authorized, executed, and paid — can you generate a proof-of-service that links the request, authority, payment confirmation, and delivery evidence into one auditable record?"},{"title":"Dispute-ready delivery attestation","prompt":"Bundle the authority, execution, and payment evidence for the delivery that just completed into a single tamper-evident proof so we have something verifiable if there's ever a dispute."},{"title":"Compliance receipt for agentic commerce","prompt":"I need a signed, auditable proof-of-service receipt that covers every stage — the original request, who authorized it, how it was executed, and that payment and delivery both happened — for our compliance records."}],"resultDescription":"A signed, auditable proof object that cryptographically binds request, authority, execution, payment, and delivery evidence into a single tamper-evident record, serving as a portable trust receipt for the completed service.","failureModes":["Missing required evidence fields — returns validation error if any of request, authority, execution, payment, or delivery evidence is absent","Malformed input payload — returns schema error if the JSON body does not conform to expected structure","Payment not detected — the x402 micropayment of $0.005 USDC must be included or the request is rejected","Duplicate submission — committing identical evidence twice may return a conflict or idempotency error","Internal attestation failure — signing or hashing infrastructure errors may return a 500 with no proof issued"],"whenToPreferThis":"Choose this endpoint when you need a single, cryptographically-linked attestation that covers every stage of a service interaction — request, authority, execution, payment, and delivery — in one record. Prefer it over standalone payment receipts or delivery confirmations when auditability, dispute resolution, or compliance requires all evidence to be bound together and independently verifiable. Especially valuable in multi-agent workflows where different parties handle different stages and a unified proof of the complete journey is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T00:39:01.416Z","isFirstParty":false,"canonicalSlug":"proof-of-service-4440cf31"}