openapi: 3.0.3
info:
  title: AccelByte Gaming Services (AGS) Achievement IAM API
  description: Representative OpenAPI description of the core AccelByte Gaming Services (AGS) REST surface. AGS is delivered as a set of independent microservices (IAM, Basic, Cloud Save, Statistics/Leaderboard, Matchmaking, Session, Platform/Commerce, Season Pass, Achievement, DSMC/Armada, Game Telemetry, and UGC), each mounted under its own path prefix on the environment base URL (for example https://demo.accelbyte.io). Almost every operation is scoped to a `namespace` path parameter and secured with an OAuth2 Bearer access token issued by IAM. This document models a representative slice of each service rather than the exhaustive per-service specs, which AccelByte publishes individually.
  termsOfService: https://accelbyte.io/terms-of-service
  contact:
    name: AccelByte
    url: https://accelbyte.io/contact-us
  version: '1.0'
servers:
- url: https://demo.accelbyte.io
  description: Shared AccelByte demo environment
- url: https://{namespace}.accelbyte.io
  description: Customer environment base URL
  variables:
    namespace:
      default: demo
      description: Customer environment host prefix
security:
- bearerAuth: []
tags:
- name: IAM
  description: Identity and Access Management - OAuth2 tokens, users, roles.
paths:
  /iam/v3/oauth/token:
    post:
      operationId: iamGetToken
      tags:
      - IAM
      summary: Issue an OAuth2 access token.
      description: OAuth2 token endpoint. Supports `client_credentials` for server-to-server access, `authorization_code` for player login flows, and `urn:ietf:params:oauth:grant-type:token-exchange` / platform token exchange for linking third-party platform accounts. Clients authenticate with HTTP Basic (client id / client secret).
      security:
      - basicAuth: []
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - grant_type
              properties:
                grant_type:
                  type: string
                  enum:
                  - client_credentials
                  - authorization_code
                  - refresh_token
                  - urn:ietf:params:oauth:grant-type:token-exchange
                  example: client_credentials
                code:
                  type: string
                  description: Authorization code (authorization_code grant).
                redirect_uri:
                  type: string
                refresh_token:
                  type: string
                code_verifier:
                  type: string
                  description: PKCE code verifier.
      responses:
        '200':
          description: Token issued.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /iam/v3/public/namespaces/{namespace}/users:
    post:
      operationId: iamCreateUser
      tags:
      - IAM
      summary: Register a new user account.
      parameters:
      - $ref: '#/components/parameters/Namespace'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateUserRequest'
      responses:
        '201':
          description: User created.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/User'
        '400':
          $ref: '#/components/responses/BadRequest'
  /iam/v3/public/namespaces/{namespace}/users/me:
    get:
      operationId: iamGetMyUser
      tags:
      - IAM
      summary: Get the current authenticated user.
      parameters:
      - $ref: '#/components/parameters/Namespace'
      responses:
        '200':
          description: The current user.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/User'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        errorCode:
          type: integer
          description: AccelByte numeric error code.
        errorMessage:
          type: string
      required:
      - errorCode
      - errorMessage
    User:
      type: object
      properties:
        userId:
          type: string
        namespace:
          type: string
        emailAddress:
          type: string
        displayName:
          type: string
        country:
          type: string
        emailVerified:
          type: boolean
    CreateUserRequest:
      type: object
      properties:
        authType:
          type: string
          enum:
          - EMAILPASSWD
          default: EMAILPASSWD
        emailAddress:
          type: string
          format: email
        password:
          type: string
        displayName:
          type: string
        country:
          type: string
          description: ISO 3166-1 alpha-2 country code.
        dateOfBirth:
          type: string
          format: date
      required:
      - authType
      - emailAddress
      - password
    TokenResponse:
      type: object
      properties:
        access_token:
          type: string
        token_type:
          type: string
          example: Bearer
        expires_in:
          type: integer
        refresh_token:
          type: string
        namespace:
          type: string
        scope:
          type: string
      required:
      - access_token
      - token_type
      - expires_in
  responses:
    Unauthorized:
      description: Missing or invalid access token.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    BadRequest:
      description: Bad request.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  parameters:
    Namespace:
      name: namespace
      in: path
      required: true
      description: The game namespace the request is scoped to.
      schema:
        type: string
      example: demogame
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: OAuth2 access token issued by the IAM token endpoint.
    basicAuth:
      type: http
      scheme: basic
      description: OAuth2 client id / client secret used at the token endpoint.