openapi: 3.0.3
info:
  title: Riot Games League of Legends Champion Champion Mastery API
  description: The Riot Games Developer API provides access to League of Legends game data including summoner profiles, champion mastery, ranked standings, match history, live spectator data, and tournament management. API keys are obtained through the Riot Developer Portal.
  version: v4/v5
  contact:
    name: Riot Developer Portal
    url: https://developer.riotgames.com/
  termsOfService: https://developer.riotgames.com/policies/general
servers:
- url: https://na1.api.riotgames.com
  description: North America
- url: https://euw1.api.riotgames.com
  description: Europe West
- url: https://kr.api.riotgames.com
  description: Korea
- url: https://americas.api.riotgames.com
  description: Americas (for account/match endpoints)
tags:
- name: Champion Mastery
  description: Champion mastery data
paths:
  /lol/champion-mastery/v4/champion-masteries/by-puuid/{encryptedPUUID}:
    get:
      operationId: getChampionMasteryByPUUID
      summary: Get Champion Mastery By PUUID
      description: Get all champion mastery entries sorted by number of champion points descending.
      tags:
      - Champion Mastery
      parameters:
      - name: encryptedPUUID
        in: path
        required: true
        schema:
          type: string
      - name: count
        in: query
        description: Number of champion mastery entries to return
        schema:
          type: integer
      security:
      - ApiKey: []
      responses:
        '200':
          description: Champion mastery list
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ChampionMasteryDTO'
  /lol/champion-mastery/v4/champion-masteries/by-puuid/{encryptedPUUID}/by-champion/{championId}:
    get:
      operationId: getChampionMasteryByPUUIDAndChampion
      summary: Get Champion Mastery By PUUID And Champion
      description: Get a champion mastery by PUUID and champion ID.
      tags:
      - Champion Mastery
      parameters:
      - name: encryptedPUUID
        in: path
        required: true
        schema:
          type: string
      - name: championId
        in: path
        required: true
        schema:
          type: integer
          format: int64
      security:
      - ApiKey: []
      responses:
        '200':
          description: Champion mastery
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChampionMasteryDTO'
components:
  schemas:
    ChampionMasteryDTO:
      type: object
      properties:
        puuid:
          type: string
        championId:
          type: integer
          format: int64
        championLevel:
          type: integer
        championPoints:
          type: integer
          format: int64
        lastPlayTime:
          type: integer
          format: int64
        championPointsSinceLastLevel:
          type: integer
          format: int64
        championPointsUntilNextLevel:
          type: integer
          format: int64
        chestGranted:
          type: boolean
        tokensEarned:
          type: integer
  securitySchemes:
    ApiKey:
      type: apiKey
      in: header
      name: X-Riot-Token