{"uid":"cap_tj7Eq7iNlc_q9WnTTmNL0","slug":"one-engine-array-stats-pack-tier-9-7aa29408","name":"ONE Engine Array Stats Pack Tier 9","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/t9?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"values":{"type":"array"}}},"responseSchema":{"type":"json","example":{"tier":9,"result":"Tier-dependent output"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pVyz2WfoT36aJp2ToTigJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a tier-9 statistical summary pack over an input array of numeric values, returning tier-dependent statistical outputs.","exampleAgentPrompt":"Can you run the tier-9 array stats pack on this list of numbers for me: [12.4, 7.8, 34.1, 9.0, 22.5, 15.3]?","exampleUseCases":[{"title":"Descriptive stats for sensor readings","prompt":"I've got a batch of temperature sensor readings — [18.2, 19.5, 22.1, 17.8, 20.3, 21.0] — can you run the array stats pack on them and tell me what the statistical summary looks like?"},{"title":"Quick financial data analysis","prompt":"Run the tier-9 stats pack on these daily return percentages for me: [0.5, -1.2, 2.3, 0.8, -0.4, 1.1, 3.0, -0.7] so I can see the spread and central tendency."},{"title":"Survey response score analysis","prompt":"I have a set of survey scores from respondents — [4, 3, 5, 2, 4, 5, 3, 4, 1, 5] — can you compute the statistical summary for these values using the array stats pack?"}],"resultDescription":"A JSON object containing the tier number (9) and a tier-dependent statistical result, which likely includes descriptive statistics such as mean, median, variance, standard deviation, min, max, and other computed metrics for the input array.","failureModes":["Missing or empty 'values' array returns an error","Non-numeric values in the array may cause computation errors","Payment failure via x402 protocol blocks the request","Malformed JSON input body returns a 400-level error","Very large arrays may time out on the Workers runtime"],"whenToPreferThis":"Choose this endpoint when you need a quick, low-cost ($0.01 USDC) statistical summary of a numeric array and want a pay-per-call model with no subscription. It's well-suited for autonomous agents that need on-demand descriptive statistics without maintaining a persistent analytics service. Prefer it for lightweight, one-off computations on numeric arrays where cost efficiency and simplicity matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:56.131Z","isFirstParty":false,"canonicalSlug":"one-engine-array-stats-pack-tier-9-7aa29408"}