openapi: 3.0.3
info:
  title: Riot Games League of Legends Champion Summoner 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: Summoner
  description: Summoner profile operations
paths:
  /lol/summoner/v4/summoners/by-name/{summonerName}:
    get:
      operationId: getSummonerByName
      summary: Get Summoner By Name
      description: Get a summoner by summoner name. Deprecated - use Riot ID instead.
      tags:
      - Summoner
      parameters:
      - name: summonerName
        in: path
        required: true
        schema:
          type: string
      security:
      - ApiKey: []
      responses:
        '200':
          description: Summoner data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SummonerDTO'
        '403':
          description: Forbidden
        '404':
          description: Not found
  /lol/summoner/v4/summoners/by-puuid/{encryptedPUUID}:
    get:
      operationId: getSummonerByPUUID
      summary: Get Summoner By PUUID
      description: Get a summoner by PUUID.
      tags:
      - Summoner
      parameters:
      - name: encryptedPUUID
        in: path
        required: true
        schema:
          type: string
      security:
      - ApiKey: []
      responses:
        '200':
          description: Summoner data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SummonerDTO'
  /lol/summoner/v4/summoners/{encryptedSummonerId}:
    get:
      operationId: getSummonerById
      summary: Get Summoner By ID
      description: Get a summoner by encrypted summoner ID.
      tags:
      - Summoner
      parameters:
      - name: encryptedSummonerId
        in: path
        required: true
        schema:
          type: string
      security:
      - ApiKey: []
      responses:
        '200':
          description: Summoner data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SummonerDTO'
  /riot/account/v1/accounts/by-riot-id/{gameName}/{tagLine}:
    get:
      operationId: getAccountByRiotId
      summary: Get Account By Riot ID
      description: Get account by Riot ID (gameName + tagLine). Returns PUUID for use in other APIs.
      tags:
      - Summoner
      parameters:
      - name: gameName
        in: path
        required: true
        schema:
          type: string
      - name: tagLine
        in: path
        required: true
        schema:
          type: string
      security:
      - ApiKey: []
      responses:
        '200':
          description: Account data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AccountDTO'
        '404':
          description: Account not found
components:
  schemas:
    AccountDTO:
      type: object
      properties:
        puuid:
          type: string
          description: Encrypted PUUID for use in game-specific APIs
        gameName:
          type: string
        tagLine:
          type: string
    SummonerDTO:
      type: object
      properties:
        id:
          type: string
          description: Encrypted summoner ID
        accountId:
          type: string
          description: Encrypted account ID
        puuid:
          type: string
          description: Encrypted PUUID
        name:
          type: string
          description: Summoner name (deprecated)
        profileIconId:
          type: integer
        revisionDate:
          type: integer
          format: int64
        summonerLevel:
          type: integer
          format: int64
  securitySchemes:
    ApiKey:
      type: apiKey
      in: header
      name: X-Riot-Token