openapi: 3.1.0
info:
  title: Google Cloud IAM Permissions Roles API
  description: The Cloud IAM API enables management of identity and access control policies, service accounts, roles, and permissions for Google Cloud resources.
  version: 1.0.0
  contact:
    name: Google Cloud
    url: https://cloud.google.com/iam
servers:
- url: https://iam.googleapis.com/v1
  description: Google Cloud IAM Production
tags:
- name: Roles
paths:
  /roles:
    get:
      operationId: listRoles
      summary: Google Cloud IAM List roles
      description: Lists predefined roles.
      tags:
      - Roles
      parameters:
      - name: pageSize
        in: query
        schema:
          type: integer
      - name: pageToken
        in: query
        schema:
          type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  roles:
                    type: array
                    items:
                      $ref: '#/components/schemas/Role'
                  nextPageToken:
                    type: string
  /projects/{projectId}/roles:
    get:
      operationId: listProjectRoles
      summary: Google Cloud IAM List project roles
      description: Lists custom roles in a project.
      tags:
      - Roles
      parameters:
      - name: projectId
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  roles:
                    type: array
                    items:
                      $ref: '#/components/schemas/Role'
    post:
      operationId: createProjectRole
      summary: Google Cloud IAM Create a custom role
      description: Creates a new custom role in a project.
      tags:
      - Roles
      parameters:
      - name: projectId
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                roleId:
                  type: string
                role:
                  $ref: '#/components/schemas/Role'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Role'
components:
  schemas:
    Role:
      type: object
      properties:
        name:
          type: string
          description: Resource name of the role.
        title:
          type: string
          description: Human-readable title of the role.
        description:
          type: string
          description: Description of the role.
        includedPermissions:
          type: array
          items:
            type: string
          description: Permissions included in the role.
        stage:
          type: string
          enum:
          - ALPHA
          - BETA
          - GA
          - DEPRECATED
          description: Launch stage of the role.
        deleted:
          type: boolean
          description: Whether the role has been deleted.
        etag:
          type: string
          description: Entity tag for optimistic concurrency control.
  securitySchemes:
    oauth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://accounts.google.com/o/oauth2/auth
          tokenUrl: https://oauth2.googleapis.com/token
          scopes:
            https://www.googleapis.com/auth/iam: Manage IAM resources
            https://www.googleapis.com/auth/cloud-platform: Full access to Google Cloud