v20

latestOpenAPI 3.1.0raw.githubusercontent.com2026-08-011984401.2 MB
League: Seasons

Activate a league season

Activates an upcoming league season. Requires a personal or developer API key whose owner is currently a league ADMIN of the league in the path, with the league seasons capability enabled on the key. League API access is gated at api_pro on the league owner's plan. Replays are not deduped; existing state guards return the current state error if the season is no longer upcoming.

post/leagues/{identifier}/seasons/{seasonId}/activate

Path parameters

identifierstring required

League slug.

League slug.

seasonIdstring required

League season ID.

League season ID.

Response

The season was activated.

successtrue required
timestampstring required