{"uid":"cap_Hn8AlkhJrWc8fRZZ-VRit","slug":"one-engine-array-set-pack-tier-7-886152b5","name":"ONE Engine Array Set Pack (Tier 7)","description":"Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.","url":"https://one-search.one-engine.workers.dev/v2/array-set-pack/t7?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"a":{"type":"array"},"b":{"type":"array"}}},"responseSchema":{"type":"json","example":{"tier":7,"result":"Tier-dependent output"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AnL1C8byOH48Kc-TRXAQR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Packs and processes two input arrays using a tier-7 set operation, returning a tier-dependent result via pay-per-call x402 micropayment on Base.","exampleAgentPrompt":"Take these two arrays — [1, 2, 3, 4] and [3, 4, 5, 6] — and run them through the tier-7 array set pack operation to get the combined result.","exampleUseCases":[{"title":"Deduplicating merged tag lists","prompt":"I have two lists of tags from different sources — [\"ai\", \"ml\", \"data\"] and [\"data\", \"cloud\", \"ml\"] — can you pack them together using the tier-7 set operation to get a clean deduplicated set?"},{"title":"Combining two inventory item arrays","prompt":"Merge these two product ID arrays for me using the array set pack: [101, 202, 303] and [202, 404, 505] — I need the packed tier-7 result."},{"title":"Agent deduplicating event ID streams","prompt":"I'm pulling event IDs from two pipelines — [\"evt_a\", \"evt_b\", \"evt_c\"] and [\"evt_b\", \"evt_d\"] — run them through the tier-7 set pack so I get a unified list without duplicates."}],"resultDescription":"A JSON object containing a 'tier' field (value 7) and a 'result' field with the tier-dependent packed output of the two input arrays — likely a deduplicated union, intersection, or other set operation result depending on tier logic.","failureModes":["Missing 'a' or 'b' array fields returns a validation error","Non-array values for 'a' or 'b' may cause a 400 bad request","Payment failure via x402 results in a 402 Payment Required response","Tier-7 specific logic errors may return unexpected result shapes","Empty arrays may produce empty or trivial results depending on set operation semantics"],"whenToPreferThis":"Choose this endpoint when you need a cheap, fast, pay-per-call set operation on two arrays (e.g. union, intersection, packing) at tier 7, especially in autonomous agent workflows where micropayment via x402 on Base is acceptable and you want a serverless utility without maintaining your own set-computation logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:29.830Z","isFirstParty":false,"canonicalSlug":"one-engine-array-set-pack-tier-7-886152b5"}