{"uid":"cap_z4-q1WsgG2YB0EFzLTVNl","slug":"delx-commerce-fractional-odds-to-probability-converter-732e25f8","name":"Delx Commerce — Fractional Odds to Probability Converter","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/odds-fractional-to-prob?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"den":{"type":"integer","description":"Input field: den."},"num":{"type":"integer","description":"Input field: num."}}},"responseSchema":{"type":"json","example":{"den":2,"num":5,"prob":0.2857142857142857,"schema":"delx/util-odds-fractional-to-prob/v1","decimal_odds":3.5}},"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":null,"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_79b3hFjWxXtUXbq0injUU","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":"Converts fractional betting odds (numerator/denominator) into implied probability and decimal odds","exampleAgentPrompt":"What's the implied probability and decimal odds for fractional odds of 5/2?","exampleUseCases":[{"title":"Horse racing odds probability check","prompt":"I see a horse listed at 7/4 in a race — what's that as an implied probability and decimal odds?"},{"title":"Sports betting market analysis","prompt":"Convert fractional odds of 5/1 to their implied probability so I can compare it with the bookmaker's margin."},{"title":"Prediction market calibration","prompt":"I need to know the probability implied by 11/8 fractional odds for a football match — what does that work out to?"}],"resultDescription":"Returns the implied probability as a decimal (e.g. 0.2857 for 5/2 odds), the corresponding decimal odds value (e.g. 3.5), and echoes back the input numerator and denominator along with a schema identifier string.","failureModes":["Missing or invalid numerator/denominator integers returns an error","Denominator of zero causes division-by-zero error","Non-integer inputs may be rejected or produce unexpected results","Payment failure via x402 prevents the response from being returned"],"whenToPreferThis":"Use this endpoint when you need a quick, precise, pay-per-call conversion of fractional odds (as used in UK/Irish horse racing and sports betting) to implied probability and decimal odds, without setting up any account or API key. Ideal for agents that need on-demand odds math in betting analysis or prediction market workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:54:02.967Z","isFirstParty":false,"canonicalSlug":"delx-commerce-fractional-odds-to-probability-converter-732e25f8"}