> ## Documentation Index
> Fetch the complete documentation index at: https://help.getvero.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Create a topic

> Creates a preference center topic for your project. `name` must be unique within the project (`name` is case insensitive). `default_status` defaults to `subscribed`. Topics cannot be deleted at this time.



## OpenAPI

````yaml /api-reference/campaigns-v2/campaigns-v2.yaml post /topics
openapi: 3.0.3
info:
  title: Vero Open API v2
  version: 2.0.0
  description: >-
    API for interfacing with Vero to design, update and manage broadcasts,
    journeys, and topics.
servers:
  - url: https://api.getvero.com/api/v2
security:
  - ApiKeyAuth: []
tags:
  - name: Broadcasts
  - name: Broadcast Messages
  - name: Broadcast Message Contents
  - name: Journeys
  - name: Journey Messages
  - name: Journey Message Contents
  - name: Campaigns
  - name: Campaign Messages
  - name: Campaign Message Contents
  - name: Topics
paths:
  /topics:
    post:
      tags:
        - Topics
      summary: Create a topic
      description: >-
        Creates a preference center topic for your project. `name` must be
        unique within the project (`name` is case insensitive). `default_status`
        defaults to `subscribed`. Topics cannot be deleted at this time.
      operationId: createTopic
      parameters:
        - name: revision
          in: header
          required: false
          description: >-
            Optional dated API revision for the request. Must use `YYYY-MM-DD`
            format.
          schema:
            type: string
            pattern: ^\d{4}-\d{2}-\d{2}$
            example: '2026-03-01'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateTopicRequest'
            examples:
              With description:
                summary: Name and description
                value:
                  name: Product updates
                  description: Weekly digest
              Default as unsubscribed:
                summary: Opt-out by default
                value:
                  name: Promos
                  default_status: unsubscribed
        required: true
      responses:
        '201':
          description: Topic created.
          content:
            application/json:
              examples:
                default:
                  value:
                    id: 42
                    name: Product updates
                    description: Weekly digest
                    default_status: subscribed
                    created_at: '2026-03-01T10:00:00Z'
                    updated_at: '2026-03-01T10:00:00Z'
              schema:
                $ref: '#/components/schemas/Topic'
        '401':
          description: Missing or invalid API key.
        '403':
          description: Missing campaign:write permission.
        '422':
          description: Name is required and must be non-blank.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorList'
        '503':
          description: API key validation is temporarily unavailable.
      security:
        - ApiKeyAuth: []
components:
  schemas:
    CreateTopicRequest:
      type: object
      description: Create a preference center topic. Topics cannot be deleted at this time.
      required:
        - name
      properties:
        name:
          type: string
          minLength: 1
          maxLength: 255
          description: Topic name. Unique per project, ignoring case. Trimmed before save.
        description:
          type: string
          maxLength: 200
          description: Optional description, at most 200 characters.
        default_status:
          type: string
          enum:
            - subscribed
            - unsubscribed
          default: subscribed
          description: >-
            Default subscription status for profiles with no explicit choice.
            Defaults to subscribed.
      additionalProperties: false
    Topic:
      type: object
      description: >-
        A preference center subscription category. Topics cannot be deleted at
        this time.
      required:
        - id
        - name
        - default_status
        - created_at
        - updated_at
      properties:
        id:
          type: integer
        name:
          type: string
          description: >-
            Topic name. Must be unique per project, ignoring case. Trimmed
            before save.
        description:
          type: string
          maxLength: 200
          description: Optional description. Omitted from the response when blank.
        default_status:
          type: string
          enum:
            - subscribed
            - unsubscribed
          description: Default subscription status for profiles with no explicit choice.
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time
    ErrorList:
      type: object
      required:
        - errors
      properties:
        errors:
          type: array
          items:
            type: object
            required:
              - message
            properties:
              message:
                type: string
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: Authorization
      description: Accepts either a raw API key or `Bearer <key>`.

````