Fantasy Baseball API Documentation

Data Dictionary

Available Services

2026 Draft Rankings AvailableFeb 1, 2026
API endpoints for draft rankings and projections are available for the 2026 season

Auction Values

Retrieve fantasy baseball auction values for the current season

Endpoint:
https://api.fantasynerds.com/v1/mlb/auction?apikey=TEST&budget=
Variable Value Description
apikey Your API Key
budget The league budget.

Default integer value if not passed: 260

Depth Charts

Retrieve the current depth charts for all MLB teams

Endpoint:
https://api.fantasynerds.com/v1/mlb/depth?apikey=TEST
Variable Value Description
apikey Your API Key

Draft Projections

Retrieve draft projections for the upcoming season

Endpoint:
https://api.fantasynerds.com/v1/mlb/draft-projections?apikey=TEST
Variable Value Description
apikey Your API Key

Draft Rankings

Retrieve draft rankings for the current MLB season

Endpoint:
https://api.fantasynerds.com/v1/mlb/draft-rankings?apikey=TEST
Variable Value Description
apikey Your API Key

Lineups

Retrieve the confirmed/expected lineups for a given date. If no date passed, the current date will be retrieved.

Endpoint:
https://api.fantasynerds.com/v1/mlb/lineups?apikey=TEST&date=
Variable Value Description
apikey Your API Key
date Retrieve lineups for a specific date in YYYY-MM-DD format.

Leave empty to retrieve the current day.

You can pass tomorrow's date to get anticipate lineups if known.

MLB Teams

Retrieve list of all MLB teams

Endpoint:
https://api.fantasynerds.com/v1/mlb/teams?apikey=TEST
Variable Value Description
apikey Your API Key

News

Retrieve current player and team news along with fantasy analysis from around the industry.

Endpoint:
https://api.fantasynerds.com/v1/mlb/news?apikey=TEST
Variable Value Description
apikey Your API Key

Player Rater

In-season fantasy baseball rankings

Endpoint:
https://api.fantasynerds.com/v1/mlb/player-rater?apikey=TEST
Variable Value Description
apikey Your API Key

Players

Retrieve list of currently active MLB players.

Endpoint:
https://api.fantasynerds.com/v1/mlb/players?apikey=TEST&inactive=
Variable Value Description
apikey Your API Key
inactive OPTIONAL: To retrieve all players regardless of active status, send the additional variable of "inactive" set to 1.

Schedule

Get the current MLB season schedule including scores and game winners

Endpoint:
https://api.fantasynerds.com/v1/mlb/schedule?apikey=TEST
Variable Value Description
apikey Your API Key

Weather

Retrieve the weather forecasts for today's games

Endpoint:
https://api.fantasynerds.com/v1/mlb/weather?apikey=TEST
Variable Value Description
apikey Your API Key