{"uid":"cap_FZtmhrxJVm_JMRvslt4n0","slug":"delx-commerce-agent-delivery-dedupe-key-fca8b1ce","name":"Delx Commerce — Agent Delivery Dedupe Key","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/agent-delivery-dedupe-key?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"item_id":{"type":"string","maxLength":8192,"description":"Item Id supplied to Agent Delivery Dedupe Key; used only for this bounded calculation and processed in memory without retention."},"version":{"type":"string","maxLength":8192,"description":"Version supplied to Agent Delivery Dedupe Key; used only for this bounded calculation and processed in memory without retention."},"operation":{"type":"string","maxLength":8192,"description":"Operation supplied to Agent Delivery Dedupe Key; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"key":"aef5fced30649f2bf87dbdca6b8a18b6cee2d4e93cc355def6ceb9e4638dba86","fields":["item_id","operation","version"],"secret":false},"schema":"delx/util-agent-delivery-dedupe-key/v1","status":"pass","evidence":{"retained":false,"input_sha256":"3d156ee2c31bc84cd4cda4a16096876258b2cc3925b827946fff028c0cbff32b","external_calls":0},"operation":"delivery_contract:agent_delivery_dedupe_key"}},"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_-jCkrZcLy30a9Nt1BOLPH","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":"Generates a deterministic deduplication key from item_id, version, and operation fields to uniquely identify and deduplicate agent delivery contracts.","exampleAgentPrompt":"Generate a deduplication key for item 'order-7842', version 'v3', and operation 'ship' so I can check whether this delivery has already been processed.","exampleUseCases":[{"title":"Prevent duplicate order shipment","prompt":"I need a dedupe key for item 'order-9921', version 'v1', operation 'ship' — I want to make sure we don't process the same shipment twice."},{"title":"Idempotent payment delivery tracking","prompt":"Can you compute a deduplication key for item 'payment-4410', version 'v2', and operation 'settle' so our agent doesn't double-charge on a retry?"},{"title":"Verify unique agent task execution","prompt":"Generate a unique key for item 'task-0055', version 'v1', operation 'execute' — I need to confirm this agent task hasn't already run."}],"resultDescription":"Returns a deterministic hex key (SHA-256 derived) computed from the combination of item_id, version, and operation. Also returns the list of fields used, a confirmation that no data was retained, an input fingerprint (SHA-256 of inputs), the count of external calls made (zero), and a status of 'pass'. The result is verifiable and reproducible for the same inputs.","failureModes":["Missing required fields (item_id, version, or operation) may produce an incomplete or error response","Inputs exceeding maxLength of 8192 characters may be rejected","Payment failure via x402 (insufficient USDC balance or unsupported network) will block the request","Service unavailability may return a non-200 HTTP status"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-use, cryptographically verifiable deduplication key for agent delivery operations without any server-side data retention. It is ideal for AI agents that must ensure idempotency across retries or parallel executions and require an auditable, tamper-evident fingerprint. Prefer it over custom hashing logic when you need a standardized, verifiable schema (delx/util-agent-delivery-dedupe-key/v1) compatible with the Delx delivery contract ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:52:49.146Z","isFirstParty":false,"canonicalSlug":"delx-commerce-agent-delivery-dedupe-key-fca8b1ce"}