World Series Winner Odds API ​

The Odds API covers MLB World Series winner futures odds in a simple JSON API.

Not a developer? Current World Series Winner odds can also be accessed in Excel or Google Sheets. For website owners, the odds widget brings bookmaker odds into websites with a simple HTML tag.

Looking for MLB odds? See the MLB odds API

Features ​

  • MLB World Series winner futures (outrights) odds are covered for several bookmakers. See the full list of bookmakers.

  • Odds are refreshed at regular intervals. More information on update intervals can be found here.

  • Current odds data are available on all usage plans, including the free usage plan.

  • Historical World Series Winner odds data is available from Nov 2021 on paid usage plans. More information on historical odds data can be found here.

  • The API response includes deep links to bookmaker websites.

Querying World Series Winner Odds ​

Query World Series Winner Futures ​

Futures can be queried using the odds endpoint.

Parameters

To query current World Series Winner futures odds, the following parameters need to be provided:

  • sport   In this case baseball_mlb_world_series_winner. Data will only be returned when World Series Winner is in season
  • regions   Regions of bookmakers to return, for example us
  • markets   For example, outrights for the winner market
  • oddsFormat   decimal or american. This example uses american
  • apiKey   Get a free API key

See the documentation for more options

Example API Request

https://api.the-odds-api.com/v4/sports/baseball_mlb_world_series_winner/odds?regions=us&markets=outrights&oddsFormat=american&apiKey=YOUR_API_KEY

Example API Response

The API will return the MLB World Series winner futures market, including a list of teams and their odds from bookmakers for the specified regions.

json
[{
    "id": "4ecb74b5e0474511c4af9764ff021bda",
    "sport_key": "baseball_mlb_world_series_winner",
    "sport_title": "MLB World Series Winner",
    "commence_time": "2026-10-31T23:00:00Z",
    "home_team": null,
    "away_team": null,
    "bookmakers": [
        {
            "key": "draftkings",
            "title": "DraftKings",
            "last_update": "2026-06-01T11:51:06Z",
            "markets": [
                {
                    "key": "outrights",
                    "last_update": "2026-06-01T11:51:06Z",
                    "outcomes": [
                        {"name": "Los Angeles Dodgers", "price": 200},
                        {"name": "New York Yankees", "price": 550},
                        {"name": "Seattle Mariners", "price": 800},
                        {"name": "Atlanta Braves", "price": 900},
                        {"name": "Milwaukee Brewers", "price": 1500},
                        {"name": "Tampa Bay Rays", "price": 1800},
                        {"name": "Chicago Cubs", "price": 1900},
                        {"name": "Philadelphia Phillies", "price": 1900},
                        ...
                    ]
                }
            ]
        },
        ...

The usage cost of the API call in this example is

usage cost = [number of markets] x [number of regions] = 1 x 1 = 1 credit

See the API documentation for details.

Other Sports ​

See the full list of sports covered by The Odds API.

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