openapi: 3.1.0
info:
  title: Heroku Platform Account Add-ons 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: Add-ons
  description: Add-on service management
paths:
  /apps/{app_id_or_name}/addons:
    get:
      operationId: listAddons
      summary: List add-ons for an app
      tags:
      - Add-ons
      parameters:
      - $ref: '#/components/parameters/appIdOrName'
      responses:
        '200':
          description: List of add-ons
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Addon'
    post:
      operationId: createAddon
      summary: Create an add-on
      tags:
      - Add-ons
      parameters:
      - $ref: '#/components/parameters/appIdOrName'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - plan
              properties:
                plan:
                  type: string
                  description: Plan name or ID
                name:
                  type: string
                config:
                  type: object
                  additionalProperties:
                    type: string
                attachment:
                  type: object
                  properties:
                    name:
                      type: string
                confirm:
                  type: string
      responses:
        '201':
          description: Add-on created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Addon'
  /apps/{app_id_or_name}/addons/{addon_id_or_name}:
    get:
      operationId: getAddon
      summary: Get add-on info
      tags:
      - Add-ons
      parameters:
      - $ref: '#/components/parameters/appIdOrName'
      - name: addon_id_or_name
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Add-on details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Addon'
    delete:
      operationId: deleteAddon
      summary: Delete an add-on
      tags:
      - Add-ons
      parameters:
      - $ref: '#/components/parameters/appIdOrName'
      - name: addon_id_or_name
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Add-on deleted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Addon'
components:
  schemas:
    Addon:
      type: object
      properties:
        id:
          type: string
          format: uuid
        name:
          type: string
        app:
          type: object
          properties:
            id:
              type: string
              format: uuid
            name:
              type: string
        addon_service:
          type: object
          properties:
            id:
              type: string
              format: uuid
            name:
              type: string
        plan:
          type: object
          properties:
            id:
              type: string
              format: uuid
            name:
              type: string
        provider_id:
          type: string
        state:
          type: string
          enum:
          - provisioning
          - provisioned
          - deprovisioned
        config_vars:
          type: array
          items:
            type: string
        billed_price:
          type: object
          nullable: true
          properties:
            cents:
              type: integer
            contract:
              type: boolean
            unit:
              type: string
        web_url:
          type: string
          format: uri
          nullable: true
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time
  parameters:
    appIdOrName:
      name: app_id_or_name
      in: path
      required: true
      schema:
        type: string
      description: App ID (UUID) or app name
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Heroku API key or OAuth token