{"uid":"cap_zWv6eQjRM7tPNcvbWIXjW","slug":"numora-z-score-computation-174753e6","name":"Numora Z-Score Computation","description":"100 pure math computation endpoints for AI agents. Statistics, financial math, linear algebra, equation solving, calculus, number theory, sequence generation, and unit conversions. Zero external dependencies. x402 micropayments on Base.","url":"https://numnumora.vercel.app/api/statistics/zscore","method":"POST","headers":{},"bodySchema":{"type":"object","required":["data"],"properties":{"data":{"type":"array"}}},"responseSchema":{"type":"object","required":["success","result","computation"],"properties":{"result":{"type":"object","description":"Computation result varies by endpoint"},"success":{"type":"boolean","description":"Always true on success"},"computation":{"type":"string","description":"Human-readable description of what was computed"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_W0vlgxYab4zCcNaitzA9R","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes z-scores (standard scores) for a dataset, measuring how many standard deviations each value is from the mean","exampleAgentPrompt":"Calculate the z-scores for this dataset: [12, 15, 14, 10, 18, 22, 9, 17] — I want to know how many standard deviations each value is from the mean.","exampleUseCases":null,"resultDescription":"Returns a JSON object with success: true, a result object containing the z-scores for each data point along with computed mean and standard deviation, and a computation string describing what was calculated.","failureModes":["Missing 'data' field returns validation error","Empty array or single-element array may produce division-by-zero for standard deviation","Non-numeric values in the array cause computation failure","Malformed JSON body returns 400 error","Payment not included or insufficient USDC returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need pure server-side z-score computation without installing statistical libraries locally, especially in serverless or lightweight agent environments. Ideal for agents needing fast, dependency-free statistical normalization with micropayment billing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:38:46.387Z","isFirstParty":false}