Sport key racing
Horse racing odds API
Pre-match and live horse racing odds from bookmakers, with a margin-adjusted fair price on every market, in one consistent JSON format. 66 competitions.
Popular horse racing competitions
| Competition | Country or tour | League key |
|---|---|---|
| Grand National | Tournaments and events | racing_grand_national |
| UK & Ireland Ante-Post Cheltenham Festival | Tournaments and events | racing_uk_ireland_ante_post_cheltenham_festival |
| Kentucky Derby | Tournaments and events | racing_kentucky_derby |
| America Finger Lakes | Tournaments and events | racing_america_finger_lakes |
| America Horseshoe Indianapolis | Tournaments and events | racing_america_horseshoe_indianapolis |
| America Mahoning Valley | Tournaments and events | racing_america_mahoning_valley |
See all 66 horse racing competitions and pick the ones for your plan.
Countries and tours
- Tournaments and events66
Horse racing markets
You get every market the bookmakers offer for each event. The most common ones:
- Win
- Each way
- Place
- Forecast markets
- Head-to-head matchups
Which plan fits
Choose horse racing competitions as part of your plan's leagues, mixed with any other sport: Solo 10, Pro 25, Scale 60 and Elite every league. Live odds start on Pro.
Want every horse racing competition? Add the whole sport for $500/month, or single leagues for $100/month each.
Example request
One request returns the bookmaker price and the fair price for every outcome. Sport and league keys are being added to the API; the request shows the format.
GET https://api.valueoddsapi.com/v1/odds?sport=racing&league=racing_grand_national&phase=prematch
Authorization: Bearer YOUR_API_KEY{
"example": true,
"data": [
{
"event_id": "example-001",
"sport": "racing",
"league": "racing_grand_national",
"phase": "prematch",
"bookmaker": "example-book",
"observed_at": "2026-11-03T12:00:00Z",
"data_age_seconds": 0.25,
"market": {
"id": "outright_winner",
"period": "full_time",
"line": null,
"status": "open",
"method": "proportional_v1",
"fair_status": "available",
"overround": 0.0751,
"outcomes": [
{
"id": "participant_a",
"bookmaker_odds": 3.5,
"fair_odds": 3.76,
"fair_probability": 0.2658
},
{
"id": "participant_b",
"bookmaker_odds": 4.2,
"fair_odds": 4.52,
"fair_probability": 0.2215
},
{
"id": "participant_c",
"bookmaker_odds": 6.0,
"fair_odds": 6.45,
"fair_probability": 0.155
},
{
"id": "field",
"bookmaker_odds": 2.6,
"fair_odds": 2.8,
"fair_probability": 0.3578
}
]
}
}
]
}
Example data, not live prices. Fair odds use proportional margin removal. Read the integration guide
Questions about horse racing odds
Which horse racing competitions does the API cover?
The catalog lists 66 horse racing competitions, taken from bookmakers' own public listings. Pick the ones you need on the sports page; your plan sets how many leagues you choose.
Do you have live horse racing odds?
Yes. Pro and higher plans stream pre-match and live odds in real time over WebSocket and REST. Solo covers pre-match odds.
Which horse racing markets are included?
Every market the bookmakers offer for the event, with the original price and a margin-adjusted fair price side by side.
How do I request horse racing odds in the API?
Use the sport key racing and a league key such as racing_grand_national. League keys are the sport key plus the competition name in snake case.
Other sports
Get horse racing odds into your product
Bookmaker odds and fair odds in one format, from pre-match to live.