Sport key baseball
Baseball odds API
Pre-match and live baseball odds from bookmakers, with a margin-adjusted fair price on every market, in one consistent JSON format. 45 competitions in 9 countries and tours.
Popular baseball competitions
| Competition | Country or tour | League key |
|---|---|---|
| MLB | International | baseball_mlb |
| NPB All Star | Japan | baseball_npb_all_star_japan |
| KBO All Star | International | baseball_kbo_all_star |
| World Baseball Classic | International | baseball_world_baseball_classic |
| MLB World Series | International | baseball_mlb_world_series |
| Asia Professional Championship | International | baseball_asia_professional_championship |
| Australian Baseball League | International | baseball_australian_baseball_league |
| European Championships | International | baseball_european_championships |
| All Star Series | Japan | baseball_all_star_series_japan |
| Farmleague | Japan | baseball_farmleague_japan |
| KBO Pre Season | South Korea | baseball_kbo_pre_season_south_korea |
| Professional Baseball | South Korea | baseball_professional_baseball_south_korea |
See all 45 baseball competitions and pick the ones for your plan.
Countries and tours
- International32
- Japan4
- South Korea2
- Taiwan2
- Cuba1
- Dominican Republic1
- Italy1
- Nicaragua1
- Venezuela1
Baseball markets
You get every market the bookmakers offer for each event. The most common ones:
- Moneyline
- Run line
- Total runs
- First five innings
- Team totals
- Player hits and strikeouts
Which plan fits
Choose baseball 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 baseball 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=baseball&league=baseball_mlb&phase=prematch
Authorization: Bearer YOUR_API_KEY{
"example": true,
"data": [
{
"event_id": "example-001",
"sport": "baseball",
"league": "baseball_mlb",
"phase": "prematch",
"bookmaker": "example-book",
"observed_at": "2026-11-03T12:00:00Z",
"data_age_seconds": 0.25,
"market": {
"id": "match_winner",
"period": "full_time",
"line": null,
"status": "open",
"method": "proportional_v1",
"fair_status": "available",
"overround": 0.0434,
"outcomes": [
{
"id": "home",
"bookmaker_odds": 1.8,
"fair_odds": 1.88,
"fair_probability": 0.5325
},
{
"id": "away",
"bookmaker_odds": 2.05,
"fair_odds": 2.14,
"fair_probability": 0.4675
}
]
}
}
]
}Example data, not live prices. Fair odds use proportional margin removal. Read the integration guide
Questions about baseball odds
Which baseball competitions does the API cover?
The catalog lists 45 baseball 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 baseball 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 baseball 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 baseball odds in the API?
Use the sport key baseball and a league key such as baseball_mlb. League keys are the sport key plus the competition name in snake case.
Other sports
Get baseball odds into your product
Bookmaker odds and fair odds in one format, from pre-match to live.