{"uid":"cap_DFOzTPt9ojkn_azEAyers","slug":"one-engine-array-stats-pack-tier-7-44771a98","name":"ONE Engine Array Stats 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-stats-pack/t7?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"values":{"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_g34UH_gPxlfbWNFoMwkSD","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":"Computes statistical metrics over an input array of numeric values, returning tier-7 level analysis results.","exampleAgentPrompt":"Can you run statistical analysis on this array of numbers for me: [4.2, 7.8, 3.1, 9.5, 6.0, 2.4, 8.7]? I need a full stats summary — mean, median, variance, whatever it can give me.","exampleUseCases":[{"title":"Summarize sensor readings dataset","prompt":"I've got a batch of temperature sensor readings — [22.1, 23.4, 21.8, 24.0, 22.7, 23.1] — can you compute the full statistical summary for me so I can understand the distribution?"},{"title":"Quality control numeric outlier check","prompt":"Here are the product weight measurements from today's manufacturing run: [500.1, 499.8, 500.3, 498.9, 501.2, 499.5]. Can you run stats on this array so I can see if anything looks off?"},{"title":"Analyze student score distribution","prompt":"I have a list of student test scores: [78, 85, 92, 67, 74, 88, 95, 71, 83, 90]. Can you run a statistical analysis on this array and tell me things like the average, spread, and any summary metrics?"}],"resultDescription":"A JSON object containing the tier identifier (tier: 7) and a result field with tier-dependent statistical output — likely including computed descriptive statistics such as mean, median, variance, standard deviation, min, max, and/or other aggregate metrics derived from the input array.","failureModes":["Empty or missing 'values' array returns an error or undefined behavior","Non-numeric values in the array may cause computation errors or be silently ignored","Payment failure via x402 protocol returns HTTP 402 before processing begins","Malformed JSON body results in a 400 bad request error","Very large arrays may hit Cloudflare Workers size or timeout limits"],"whenToPreferThis":"Choose this endpoint when you need a fast, cheap ($0.005 USDC) pay-per-call statistical computation on a numeric array without spinning up a data processing library or service. Ideal for autonomous agents that need on-demand descriptive stats as a microservice step in a larger workflow, especially when operating on the Base blockchain with x402 payment infrastructure already in place.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:42:32.616Z","isFirstParty":false,"canonicalSlug":"one-engine-array-stats-pack-tier-7-44771a98"}