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Card Odds Calculator
x402
Card Odds Calculator is a paid API for AI agents from probability-calc.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-29).
Calculates poker hand probabilities (5-card and 7-card), outs-to-river odds, and blackjack natural odds via configurable modes.
Price / call$0.02
Success—
StatusUnknown
How this service works
Card odds: 5-card and 7-card poker hand probabilities, chance of hitting your outs by the river, blackjack natural odds.
Output
Returns a structured JSON object with fields like probabilityByRiver, probabilityNextCard, ruleOf2And4 (shortcut estimate), unseenCards, cardsToCome, oneIn (1-in-N odds), a human-readable summary, and a disclaimer. For blackjack and poker modes, returns hand frequency probabilities and associated metadata.
Example use cases
Poker flush draw equity check
“I've got a flush draw on the flop, so I have 9 outs. What's the probability I complete my flush by the river using the outs calculator?”
7-card poker hand probability lookup
“What are the probabilities of each hand ranking — like a straight, full house, or royal flush — in a 7-card poker game like Texas Hold'em?”
Blackjack natural odds for multi-deck game
“What are the odds of getting a blackjack natural in a 6-deck shoe game?”
Technical details
Endpoint
GEThttps://probability-calc.x402tookit.com/card-odds?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need precise, enumerated card probability calculations for standard card game scenarios — especially poker hand frequencies, draw completion odds using the rule of 2 and 4, or blackjack natural probabilities. Prefer this over general-purpose probability endpoints when the question is specifically about card games with fixed deck compositions.
Side effects
- Missing required 'mode' query parameter returns an error
- Invalid mode value (not poker5, poker7, outs, or blackjack) returns an error
- For outs mode, missing 'outs' parameter may return null or error
- Outs value out of realistic range may return degraded or invalid results
- Invalid stage value (not flop or turn) may default or error
- Decks value outside 1-8 range for blackjack mode may be rejected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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