{"uid":"cap_nwoJa3nPx_BFp9uFnzzAq","slug":"delx-commerce-deduplicate-list-2dc539ef","name":"Delx Commerce — Deduplicate List","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/dedupe-list?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"items":{"type":"array","description":"Input field: items."}}},"responseSchema":{"type":"json","example":{"count":3,"items":["a","b","c"],"schema":"delx/util-dedupe-list/v1","removed":1}},"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_hq5Of5BydR6z7c75pJekT","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":"Removes duplicate items from an array and returns the unique set with a count of removed entries","exampleAgentPrompt":"Can you deduplicate this list for me: ['apple', 'banana', 'apple', 'cherry', 'banana', 'date'] and tell me how many duplicates were removed?","exampleUseCases":[{"title":"Clean email list before campaign","prompt":"I have a list of email addresses collected from multiple sources and there are definitely duplicates — can you deduplicate it for me so I only send to each address once? Here's the list: ['alice@example.com', 'bob@example.com', 'alice@example.com', 'carol@example.com', 'bob@example.com']"},{"title":"Deduplicate product SKU array","prompt":"Before I import these product SKUs into my inventory system, can you remove any duplicates from this list: ['SKU-001', 'SKU-002', 'SKU-001', 'SKU-003', 'SKU-002', 'SKU-004']?"},{"title":"Unique tags for content pipeline","prompt":"I'm building a tag cloud and my pipeline produced a bunch of repeated tags. Can you deduplicate this tag list and tell me how many were duplicates: ['javascript', 'python', 'javascript', 'ai', 'python', 'machine-learning', 'ai']?"}],"resultDescription":"Returns a JSON object with: the deduplicated array of unique items, the count of unique items remaining, and the number of duplicate items that were removed, along with a schema identifier (delx/util-dedupe-list/v1).","failureModes":["Missing or empty 'items' array — likely returns an error or empty result","Non-array input for 'items' field — schema validation failure","Payment failure via x402 — 402 response requiring USDC payment on Base or Solana","Network timeout for extremely large lists","Unsupported item types (e.g. nested objects) may not deduplicate as expected"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call deduplication utility with no signup required and verifiable delivery via x402. Ideal for AI agent pipelines that need quick, cheap list sanitization without spinning up custom code or a full data-processing service. Best when the list contains strings or simple scalar values.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:54:02.003Z","isFirstParty":false,"canonicalSlug":"delx-commerce-deduplicate-list-2dc539ef"}