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Delx Commerce — Fractional Odds to Probability Converter
x402
Delx Commerce — Fractional Odds to Probability Converter is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).
Converts fractional betting odds (numerator/denominator) into implied probability and decimal odds
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.
Output
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.
Example use cases
Horse racing odds probability check
“I see a horse listed at 7/4 in a race — what's that as an implied probability and decimal odds?”
Sports betting market analysis
“Convert fractional odds of 5/1 to their implied probability so I can compare it with the bookmaker's margin.”
Prediction market calibration
“I need to know the probability implied by 11/8 fractional odds for a football match — what does that work out to?”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/odds-fractional-to-prob?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| den | integer | Input field: den. |
| num | integer | Input field: num. |
Output
Schema · Response
{
"type": "json",
"example": {
"den": 2,
"num": 5,
"prob": 0.2857142857142857,
"schema": "delx/util-odds-fractional-to-prob/v1",
"decimal_odds": 3.5
}
}Tags
x402
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