{"uid":"cap_0YJUfiXX3yrFU8NsF_9NK","slug":"batch-idempotency-keys-8fc9aea9","name":"Batch Idempotency Keys","description":"Batch Idempotency Keys: Batch Idempotency Keys derives stable non-secret idempotency keys for batch items from bounded caller-supplied values without an external provider. Call Batch Idempotency Keys before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contract for Batch Idempotency Keys as versioned deterministic JSON. Price: $0.001 USD…","url":"https://api.delx.ai/api/v1/x402/batch-idempotency-keys?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"items":{"type":"array","items":{"type":"object","maxProperties":128,"additionalProperties":true},"maxItems":256,"description":"Items supplied to Batch Idempotency Keys; used only for this bounded calculation and processed in memory without retention."},"namespace":{"type":"string","maxLength":8192,"description":"Namespace supplied to Batch Idempotency Keys; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"keys":[{"key":"a7b59420f6ae73743bb81f97fe5222c4b3db261381bd9d0d85c9bd08996d04b7","index":0},{"key":"884e051ec6969bb1bc6dfd28dc6b13d09cab07dc71f656acd2a398e9c5473587","index":1}],"cryptographic_secret":false},"schema":"delx/util-batch-idempotency-keys/v1","status":"pass","evidence":{"retained":false,"input_sha256":"375be9a5b0dc421b8588d162f162af2105b72820be462c39a74f3ceab5fd0343","external_calls":0},"operation":"data_batch:batch_idempotency_keys"}},"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_p_slsiuAsDeAFOvh--AFV","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":"Derives stable, deterministic, non-secret idempotency keys for a batch of items from caller-supplied values and a namespace, without any external provider.","exampleAgentPrompt":"Generate stable idempotency keys for this batch of 50 order items using the namespace 'orders-2024-06' so I can safely pass them to the payment processor without risk of duplicates.","exampleUseCases":[{"title":"Safe batch payment submission","prompt":"Before I send these 30 trade orders to the execution API, generate idempotency keys for each one under the namespace 'trade-batch-007' so I can retry safely if the network drops."},{"title":"Deduplicating agent task queue","prompt":"I have a list of 100 agent task records I need to enqueue — can you derive stable idempotency keys for all of them under namespace 'agent-tasks-v2' so the queue won't double-process any item on retry?"},{"title":"Versioned ETL pipeline deduplication","prompt":"Run these 200 incoming webhook events through batch idempotency key generation with namespace 'webhook-ingest-prod' so our ETL pipeline can detect and drop duplicates before inserting into the database."}],"resultDescription":"Returns a versioned deterministic JSON object containing idempotency keys for each input item, normalized values, item counts, and a versioned result contract — all computed in-memory without data retention.","failureModes":["Batch exceeds 256 items — request rejected","Individual item exceeds 128 properties — item rejected or truncated","Namespace string exceeds 8192 characters — validation error","Malformed input array — schema validation failure","Network or payment processing error — HTTP 402 or 5xx returned"],"whenToPreferThis":"Choose this endpoint when you need to derive stable, reproducible idempotency keys for a batch of structured items before handing them to a downstream tool with a strict contract (e.g. payment processor, task queue, ETL pipeline). It is ideal when you want deterministic, namespace-scoped keys computed without any external key-management service, secret storage, or stateful provider, and when you need a versioned result contract for auditability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T07:01:23.659Z","isFirstParty":false,"canonicalSlug":"batch-idempotency-keys-8fc9aea9"}