{"uid":"cap_IIpzEEVUhqAx_RWSjOBKf","slug":"numora-z-score-calculator-18d5d1f9","name":"Numora Z-Score Calculator","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://numormor.netlify.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":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":{"p10Cents":"10.0000","medianCents":"10.0000","p90Cents":"10.0000","minCents":"10.0000","maxCents":"10.0000","p95Cents":"10.0000","sampleCount":1,"varies":false,"failureChargeRate":1},"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_il9jNWLROlHyYJ6RLm5cE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the z-score (standard score) for a dataset, indicating how many standard deviations each value is from the mean","exampleAgentPrompt":"Calculate the z-scores for this dataset: [72, 85, 90, 68, 95, 78, 82, 74, 88, 91] — I want to know which values are more than 1 standard deviation from the mean.","exampleUseCases":null,"resultDescription":"Returns a JSON object with success=true, a result object containing z-score values for each data point (and likely mean and standard deviation), and a human-readable computation string describing what was calculated.","failureModes":["Missing required 'data' array field returns validation error","Empty array or single-element array may cause division-by-zero or undefined standard deviation","Non-numeric values in the data array may cause computation failure","Payment failure via x402 micropayment returns 402 Payment Required","Array with zero variance (all identical values) causes division by zero for z-score"],"whenToPreferThis":"Choose this endpoint when you need serverless, dependency-free z-score computation paid per-call via crypto micropayments on Base, without spinning up a statistics library or data science environment. Ideal for AI agents that need lightweight, on-demand statistical standardization without maintaining a math backend.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:30:15.031Z","isFirstParty":false}