Skip to content
GET /v1/roulette

Roulette house edge

Try it live

10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/casino-api

It works. Grab an API key and use it in your project.

Get an API key

Code snippets

curl "https://api.oanor.com/casino-api/v1/roulette" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/casino-api/v1/roulette", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/casino-api/v1/roulette");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/casino-api/v1/roulette",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "note": "EV per unit = p·payout − (1−p); house edge = −EV. European single-zero is 2.70% on every bet; American double-zero is 5.26% (7.89% on the basket). La partage halves the even-money edge to 1.35%.",
        "inputs": {
            "bet": "straight",
            "variant": "american"
        },
        "pockets": 38,
        "payout_to_1": 35,
        "rtp_percent": 94.7368,
        "numbers_covered": 1,
        "win_probability": 0.026316,
        "house_edge_percent": 5.2632,
        "expected_value_per_unit": -0.052632,
        "win_probability_percent": 2.6316
    },
    "meta": {
        "timestamp": "2026-06-05T19:50:09.402Z",
        "request_id": "8a2269fc-5db1-4209-a1ff-6caa8b002288"
    },
    "status": "ok",
    "message": "Roulette edge",
    "success": true
}