{"uid":"cap_rkzfey01MKe4HGpitH_rR","slug":"keyronne-math-stats-api-c1b40838","name":"Keyronne Math & Stats API","description":"Exact computation LLMs cannot do reliably: evaluate arithmetic expressions (trig, logs, powers, factorials, constants), convert between 80+ units across 11 dimensions (length, mass, temperature, data, speed, energy, pressure...), and compute descriptive statistics (mean, median, stdev, percentiles) over up to 100k numbers. Deterministic, no hallucinated arithmetic.","url":"https://keyronne.com/api/calc?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"stats":{"type":"array","items":{"type":"number"},"description":"Numbers to describe statistically (up to 100,000)."},"convert":{"type":"object","properties":{"to":{"type":"string"},"from":{"type":"string","description":"e.g. \"mph\", \"celsius\", \"GiB\", \"acre\""},"value":{"type":"number"}}},"expression":{"type":"string","description":"Math expression, e.g. \"sqrt(2)*sin(pi/4)\", \"fact(20) / 2^10\"."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"0.1000","medianCents":"0.1000","p90Cents":"0.1000","minCents":"0.1000","maxCents":"0.1000","p95Cents":"0.1000","sampleCount":1,"varies":false,"failureChargeRate":1},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_kjd57ZmgDe8xt3kot1Ynp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Deterministically evaluates arithmetic expressions, converts between 80+ units, and computes descriptive statistics over large datasets","exampleAgentPrompt":"Calculate sqrt(2) * sin(pi/4) + 17^2 exactly, then also convert 100 mph to km/h, and give me the mean, median, and standard deviation for this dataset: [4, 7, 13, 2, 9, 15, 3, 11, 6, 8].","exampleUseCases":null,"resultDescription":"Returns computed results for any combination of: (1) the evaluated numeric value of the math expression, (2) the converted value with source and target units, and (3) a full descriptive statistics object including mean, median, standard deviation, min, max, and percentiles for the provided numeric array.","failureModes":["Invalid or unparseable math expression returns an error with description","Unrecognized unit names return an error indicating the unsupported unit","Array length exceeding 100,000 numbers is rejected","Malformed JSON body returns a 400-level error","Division by zero or undefined mathematical operations return a computation error"],"whenToPreferThis":"Use this endpoint whenever an LLM would otherwise attempt to do arithmetic, unit conversion, or statistical computation inline — especially for trig/log/factorial/power expressions, cross-system unit conversions, or descriptive stats over large datasets where hallucinated math is a risk. Prefer this over general-purpose code execution when you need a lightweight, deterministic, single-call solution with no setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T00:30:02.321Z","isFirstParty":false,"canonicalSlug":"keyronne-math-stats-api-c1b40838"}