{"uid":"cap_fzuLlJpGg3bkUrCTBI_c6","slug":"delx-x402-delivery-receipt-check-1fa6dad7","name":"Delx X402 Delivery Receipt Check","description":"X402 Delivery Receipt Check: X402 Delivery Receipt Check checks receipt fields for payment id, resource, amount, and delivery status from bounded caller-supplied values without an external provider. Call X402 Delivery Receipt Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Delivery Receipt Ch…","url":"https://api.delx.ai/api/v1/x402/x402-delivery-receipt-check","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"receipt":{"type":"object","description":"Receipt supplied to X402 Delivery Receipt Check; used only for this bounded calculation and processed in memory without retention.","maxProperties":128,"additionalProperties":true}}},"responseSchema":{"type":"json","example":{"result":{"receipt":{"resource":"https://api.delx.ai/x402/utility/example","delivered":true,"amount_raw":"1000","payment_id":"pay-1"},"shape_valid":true,"missing_fields":[]},"schema":"delx/util-x402-delivery-receipt-check/v1","status":"pass","evidence":{"retained":false,"input_sha256":"834990994a10325e5e595578ebbcf61447f6bc3ccd77c2008ce768f630056c28","external_calls":0},"operation":"delivery_contract:x402_delivery_receipt_check"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y4J_FjVZWobX2Gbe5yynp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an X402 payment delivery receipt to confirm it is well-formed, contains required fields, and represents a successfully delivered payment.","exampleAgentPrompt":"Can you check this x402 delivery receipt and tell me whether it's valid — specifically whether the shape is correct, all required fields are present, and the payment shows as delivered?","exampleUseCases":[{"title":"Pre-processing receipt gate for agents","prompt":"Before I mark this order as fulfilled, validate this x402 delivery receipt for me — I need to know if the shape is valid and whether delivered is true and no fields are missing."},{"title":"Debugging a malformed payment receipt","prompt":"I got this x402 receipt back from a payment and something looks off — can you run it through the receipt checker and tell me exactly which fields are missing or invalid?"},{"title":"Auditing agent payment logs","prompt":"I have a batch of x402 receipts from my agent's payment history — can you validate this one receipt object and confirm it's properly formed with a payment_id and resource URL before I log it?"}],"resultDescription":"Returns a JSON object with a status field ('pass' or 'fail'), a shape_valid boolean, a list of missing_fields, an echo of the parsed receipt, and an evidence block containing a SHA-256 hash of the input, a retained flag (always false), and the count of external calls made (always 0). Also includes a schema identifier and operation name.","failureModes":["Malformed receipt object missing required properties returns missing_fields list with status 'fail'","Receipt object exceeding 128 properties is rejected due to maxProperties constraint","Invalid JSON or non-object receipt body returns a parse or validation error","Network timeout or service unavailability returns HTTP 5xx"],"whenToPreferThis":"Choose this endpoint when your agent needs to programmatically verify an X402 payment receipt before taking downstream action — especially in trustless or automated workflows where you cannot manually inspect receipts. It is preferable over custom validation logic because it runs in-memory with no data retention, returns a deterministic hash for audit trails, and makes zero external calls, making it safe for sensitive payment data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:10:26.651Z","isFirstParty":false}