IDs
Use discovery endpoints before storing IDs in your application:GET /v1/football/countriesGET /v1/football/leaguesGET /v1/football/teams
Seasons
Football seasons use a four-digit year, for example2026.
For many competitions, the season value is the year the season starts. Always confirm supported seasons with:
seasons array returned by:
Timezones
Fixture endpoints can accept atimezone query parameter. Use a valid timezone from: