openapi: 3.1.0
info:
  title: Heroku Platform Account Apps API
  description: The Heroku Platform API enables programmatic access to Heroku's deployment platform. Manage apps, dynos, add-ons, config vars, domains, pipelines, releases, and other platform resources.
  version: '3'
  contact:
    name: Heroku
    url: https://devcenter.heroku.com/
  license:
    name: Proprietary
    url: https://www.heroku.com/policy/tos
servers:
- url: https://api.heroku.com
  description: Heroku Platform API
security:
- BearerAuth: []
tags:
- name: Apps
  description: Application management
paths:
  /apps:
    get:
      operationId: listApps
      summary: List apps
      description: List existing apps.
      tags:
      - Apps
      parameters:
      - $ref: '#/components/parameters/AcceptRange'
      responses:
        '200':
          description: List of apps
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/App'
          headers:
            Next-Range:
              schema:
                type: string
        '206':
          description: Partial content (paginated)
    post:
      operationId: createApp
      summary: Create an app
      description: Create a new app.
      tags:
      - Apps
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                  description: Name of app (pattern ^[a-z][a-z0-9-]{1,28}[a-z0-9]$)
                region:
                  type: string
                  description: Region name or ID
                stack:
                  type: string
                  description: Stack name or ID
      responses:
        '201':
          description: App created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/App'
        '422':
          description: Validation error
  /apps/{app_id_or_name}:
    get:
      operationId: getApp
      summary: Get app info
      description: Get info for an existing app.
      tags:
      - Apps
      parameters:
      - $ref: '#/components/parameters/appIdOrName'
      responses:
        '200':
          description: App details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/App'
        '404':
          description: App not found
    patch:
      operationId: updateApp
      summary: Update an app
      tags:
      - Apps
      parameters:
      - $ref: '#/components/parameters/appIdOrName'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                maintenance:
                  type: boolean
                build_stack:
                  type: string
      responses:
        '200':
          description: App updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/App'
    delete:
      operationId: deleteApp
      summary: Delete an app
      tags:
      - Apps
      parameters:
      - $ref: '#/components/parameters/appIdOrName'
      responses:
        '200':
          description: App deleted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/App'
components:
  parameters:
    appIdOrName:
      name: app_id_or_name
      in: path
      required: true
      schema:
        type: string
      description: App ID (UUID) or app name
    AcceptRange:
      name: Range
      in: header
      schema:
        type: string
      description: Pagination range header (e.g., id ..; max=200)
  schemas:
    App:
      type: object
      properties:
        id:
          type: string
          format: uuid
        name:
          type: string
        acm:
          type: boolean
        archived_at:
          type: string
          format: date-time
          nullable: true
        buildpack_provided_description:
          type: string
          nullable: true
        build_stack:
          type: object
          properties:
            id:
              type: string
              format: uuid
            name:
              type: string
        created_at:
          type: string
          format: date-time
        git_url:
          type: string
          format: uri
        internal_routing:
          type: boolean
          nullable: true
        maintenance:
          type: boolean
        owner:
          type: object
          properties:
            email:
              type: string
            id:
              type: string
              format: uuid
        region:
          type: object
          properties:
            id:
              type: string
              format: uuid
            name:
              type: string
        released_at:
          type: string
          format: date-time
          nullable: true
        repo_size:
          type: integer
          nullable: true
        slug_size:
          type: integer
          nullable: true
        space:
          type: object
          nullable: true
          properties:
            id:
              type: string
              format: uuid
            name:
              type: string
        stack:
          type: object
          properties:
            id:
              type: string
              format: uuid
            name:
              type: string
        team:
          type: object
          nullable: true
          properties:
            id:
              type: string
              format: uuid
            name:
              type: string
        updated_at:
          type: string
          format: date-time
        web_url:
          type: string
          format: uri
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Heroku API key or OAuth token