---
title: "Update league game rules"
method: POST
path: "/leagues/{identifier}/rules/update"
tags: ["League: Rules & Config"]
---

# Update league game rules

`POST /leagues/{identifier}/rules/update`

Creates or updates enforced rules for a league game. Requires a personal or developer API key whose owner is currently a league ADMIN of the league in the path, with the league rules capability enabled on the key. League API access is gated at api_pro on the league owner's plan.

## Path parameters

- `identifier` string, required — League slug or Convex league ID.

## Request body

- UpdateGameRulesRequestBody — Updates league game rules.
  - `gameId` string, required — Game ID whose league rules should change.
  - `allowedPlaylistIds` string[]
  - `allowedMapIds` string[]
  - `matchFormat` 'BEST_OF_1' | 'BEST_OF_3' | 'BEST_OF_5' | 'BEST_OF_7' | 'BEST_OF_9'
  - `teamSize` object
    - `min` number, required
    - `max` number, required
  - `forceCompetitive` boolean
  - `allowedDays` string[]
  - `blockedDays` string[]
  - `allowedTimeRange` object
    - `start` string, required
    - `end` string, required
  - `timezone` string
  - `challengesEnabled` boolean
  - `maxChallengesPerTeamPerSeason` number
  - `maxPointsMatchesPerPairPer24h` number
  - `maxPendingChallengesPerOpponent` number
  - `maxPendingChallengesTotal` number
  - `challengeCooldownMinutes` number
  - `wagersAllowed` boolean
  - `minWagerAmount` number
  - `maxWagerAmount` number
  - `minRosterSize` number
  - `maxRosterSize` number
  - `rosterLockEnabled` boolean
  - `rosterChangeWindowDays` string[]
  - `rosterChangeWindowTime` object
    - `start` string, required
    - `end` string, required
  - `maxRosterChangesPerWeek` number

## Response `200`

The league game rules were updated.

- RuleWriteResponse
  - `success` true, required
  - `rulesId` string, required
  - `timestamp` string, required

## Other responses

- `400` — Bad request (invalid body, cursor, limit, or date).
- `401` — Missing or invalid API key.
- `403` — API key lacks the required permission.
- `404` — Resource not found.
- `409` — Conflict.
- `429` — Rate limited.
- `500` — Internal server error.

---

[API](https://skmtc.net/teambattles/apis/teambattles-api.md) · [All operations](https://skmtc.net/teambattles/apis/teambattles-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/teambattles/teambattles-api/versions/2ffe8fb53b7d/schema)