openapi: 3.1.0
info:
  title: Optimizely Campaign REST Assets Labels API
  description: The Optimizely Campaign REST API provides programmatic access to Optimizely's email and omnichannel campaign management capabilities. Developers can use the API to manage campaigns, recipients, mailing lists, smart campaigns, transactional mails, and messaging workflows. The API is hosted at api.campaign.episerver.net and supports automation of marketing campaign operations, enabling integration with external systems and custom marketing workflows. The base URL includes the client ID for multi-tenant access.
  version: '1.0'
  contact:
    name: Optimizely Support
    url: https://support.optimizely.com
  termsOfService: https://www.optimizely.com/legal/terms/
servers:
- url: https://api.campaign.episerver.net/rest
  description: Optimizely Campaign Production Server
security:
- basicAuth: []
tags:
- name: Labels
  description: Manage labels used for categorizing and organizing content.
paths:
  /labels:
    get:
      operationId: listLabels
      summary: List labels
      description: Returns a list of labels used for categorizing content in the CMP.
      tags:
      - Labels
      responses:
        '200':
          description: Successfully retrieved the list of labels
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Label'
        '401':
          description: Authentication credentials are missing or invalid
components:
  schemas:
    Label:
      type: object
      description: A label used for categorizing content
      properties:
        id:
          type: string
          description: Unique identifier for the label
        name:
          type: string
          description: Display name of the label
        color:
          type: string
          description: Color code for the label
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic authentication using the Optimizely Campaign API credentials.
externalDocs:
  description: Optimizely Campaign REST API Documentation
  url: https://docs.developers.optimizely.com/optimizely-campaign/docs/rest-api