{"uid":"cap_FhB3PvXbA9j63US9r8WOz","slug":"payment-delivery-atomicity-detector-b286e2f9","name":"Payment Delivery Atomicity Detector","description":"Detect paid-without-delivery and delivered-without-payment states","url":"https://phion.systems/v1/paid/trust/payment-delivery-atomicity?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":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_y0IB_xGSPnFo4ieIaSIlh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Detects inconsistent payment-delivery states, specifically paid-without-delivery and delivered-without-payment conditions, to surface atomicity violations in agentic payment flows","exampleAgentPrompt":"Can you check this transaction for payment-delivery atomicity issues — I need to know if we have any cases where payment went through but delivery never happened, or delivery was made without a confirmed payment?","exampleUseCases":[{"title":"Agentic marketplace payment audit","prompt":"I run an agent-to-agent marketplace and I'm worried some deals are completing payment without delivery — can you scan this transaction record and tell me if there's a paid-without-delivery or delivered-without-payment state?"},{"title":"Post-incident reconciliation check","prompt":"We had an outage last night during checkout — can you check these order states and flag any where payment was captured but the goods were never delivered, or where delivery went out before payment cleared?"},{"title":"Real-time payment integrity monitoring","prompt":"Before I finalize this batch of x402 microtransactions, can you verify that each one has atomic payment-and-delivery completion, and surface any that are in a broken half-completed state?"}],"resultDescription":"Returns a structured assessment indicating whether the supplied transaction or order context exhibits paid-without-delivery violations, delivered-without-payment violations, or is in a consistent atomic state, along with confidence or evidence signals about the detected inconsistency.","failureModes":["Insufficient input data — if payment or delivery records are missing or incomplete, the detector may return an indeterminate result","Schema mismatch — the endpoint accepts a generic object schema, so malformed or unexpected fields may cause silent misclassification","False negatives — if delivery confirmation signals are delayed or asynchronous, the detector may miss a true atomicity violation","Network or provider error — 5xx responses may occur if the phion.systems backend is unavailable"],"whenToPreferThis":"Use this endpoint when you need to programmatically detect split or inconsistent states in two-sided exchanges — specifically the classic atomicity failure modes where payment and delivery do not both complete. Prefer this over generic reconciliation tools when working with x402 agentic payment flows, micro-transaction pipelines, or any system where payment and fulfillment happen in separate steps that could desynchronize.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T06:38:09.387Z","isFirstParty":false,"canonicalSlug":"payment-delivery-atomicity-detector-b286e2f9"}