{"uid":"cap_dZauOJ2_3Cb5RtHKi4Rw3","slug":"one-engine-array-stats-pack-tier-8-26aea046","name":"ONE Engine Array Stats Pack Tier 8","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/t8?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"values":{"type":"array"}}},"responseSchema":{"type":"json","example":{"tier":8,"result":"Tier-dependent output"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0075","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":"$0.0075/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0075","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0075","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FuaGaE42o4VgSgitwmrvf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0075","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes tier-8 statistical analysis on an input array of numeric values, returning tier-dependent descriptive statistics.","exampleAgentPrompt":"Can you run tier-8 array stats on this list of numbers for me: [12.5, 7.3, 44.1, 8.9, 22.0, 15.6, 3.2]?","exampleUseCases":[{"title":"Descriptive stats for sensor readings","prompt":"I have a batch of temperature sensor readings — [21.4, 22.1, 19.8, 23.5, 20.0, 21.9] — can you compute the statistical summary on them?"},{"title":"Summarizing financial return data","prompt":"Here are my monthly portfolio returns for the year: [3.2, -1.1, 4.5, 2.8, -0.5, 6.1, 1.9, 3.3, -2.0, 4.8, 2.1, 5.0] — can you run array stats and tell me what the numbers look like overall?"},{"title":"QA check on test score distribution","prompt":"I've got a set of student test scores: [78, 85, 92, 61, 74, 88, 95, 70, 83, 67] — can you calculate the key statistics so I can understand the distribution?"}],"resultDescription":"A JSON object containing tier-8 statistical outputs for the submitted array, which may include metrics such as mean, median, mode, variance, standard deviation, min, max, and other descriptive statistics depending on the tier.","failureModes":["Empty or missing 'values' array returns an error or undefined output","Non-numeric values in the array may cause computation errors or unexpected results","Payment failure via x402 prevents endpoint access","Malformed JSON body returns a 400-level error","Very large arrays may time out on the Cloudflare Worker runtime"],"whenToPreferThis":"Choose this endpoint when you need a quick, low-cost, pay-per-call statistical computation on a flat array of values without setting up a full data analytics pipeline. It is ideal for autonomous agents that need on-demand descriptive statistics as part of a larger workflow, especially when cost predictability ($0.0075 per call) and x402/Base payment compatibility are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:42.618Z","isFirstParty":false,"canonicalSlug":"one-engine-array-stats-pack-tier-8-26aea046"}