{"uid":"cap_uHkJsuUhvms1Po69_RXZ-","slug":"one-engine-array-stats-pack-tier-1-ab4f6a51","name":"ONE Engine Array Stats Pack (Tier 1)","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-stats-pack/t1?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"values":{"type":"array"}}},"responseSchema":{"type":"json","example":{"tier":1,"result":"Tier-dependent output"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0007","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":"$0.0007/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0007","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0007","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_K4-3uixs3xvKhSo9zUb5O","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0007","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes statistical metrics over an array of numeric values, returning tier-dependent summary statistics.","exampleAgentPrompt":"Can you run stats on this array of numbers for me: [12, 45, 7, 89, 33, 21, 56, 78, 14, 60]? I need the standard statistical summary — mean, median, min, max, that sort of thing.","exampleUseCases":[{"title":"Sensor data statistical summary","prompt":"I have a batch of temperature readings from my IoT sensors: [22.1, 23.5, 21.8, 24.0, 22.7, 23.1]. Can you compute the full statistical summary — mean, median, min, max, and standard deviation?"},{"title":"Financial returns distribution analysis","prompt":"Here are my monthly portfolio returns for the year: [0.03, -0.01, 0.05, 0.02, -0.02, 0.04, 0.01, 0.06, -0.03, 0.02, 0.05, 0.03]. What are the key stats — average return, variance, min and max?"},{"title":"Survey response score aggregation","prompt":"I collected these satisfaction scores from a user survey: [7, 8, 6, 9, 10, 5, 8, 7, 9, 6, 8]. Can you give me a statistical breakdown — average score, spread, and any other summary stats?"}],"resultDescription":"A JSON object containing tier-1 statistical output for the input array, including computed metrics such as mean, median, min, max, standard deviation, and/or variance depending on the tier level.","failureModes":["Empty or missing 'values' array returns an error or empty result","Non-numeric values in the array may cause computation errors or be ignored","Payment failure via x402 returns a 402 Payment Required response before processing","Malformed JSON body results in a 400 Bad Request","Very large arrays may hit Cloudflare Worker size or timeout limits"],"whenToPreferThis":"Choose this endpoint when you need a low-cost, fast, pay-per-call statistical summary of a numeric array and are already using the x402 micropayment protocol on Base. It is ideal for autonomous agents that need on-demand descriptive statistics without hosting their own compute, and when cost per call must remain minimal (sub-cent range).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:56.128Z","isFirstParty":false,"canonicalSlug":"one-engine-array-stats-pack-tier-1-ab4f6a51"}