> ## 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.

# List messages

> Lists a campaign's messages, ordered by position then id.



## OpenAPI

````yaml /api-reference/campaigns-v2/campaigns-v2.yaml get /campaigns/{campaign_id}/campaign-messages
openapi: 3.0.3
info:
  title: Vero Open API v2
  version: 2.0.0
  description: >
    OpenAPI description for the API key-authenticated `api/v2` campaign and

    broadcast endpoints.


    Authentication uses the `Authorization` header. Both of these forms are
    accepted:


    - `Authorization: sk_valid_123`

    - `Authorization: Bearer sk_valid_123`

    - `revision: 2026-03-01`


    Campaign read endpoints require the `campaign:read` permission, and campaign

    write endpoints require the `campaign:write` permission.


    Broadcast read endpoints require the `broadcast:read` permission. A
    broadcast

    is a one-off or recurring message sent to an audience.
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
paths:
  /campaigns/{campaign_id}/campaign-messages:
    get:
      tags:
        - Campaign Messages
      summary: List messages
      description: Lists a campaign's messages, ordered by position then id.
      operationId: listCampaignMessages
      parameters:
        - name: campaign_id
          in: path
          required: true
          description: Campaign ID.
          schema:
            type: integer
        - 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'
      responses:
        '200':
          description: Campaign messages returned.
          content:
            application/json:
              examples:
                default:
                  value:
                    - id: 456
                      title: Control
                      position: 1
                      active: true
                    - id: 457
                      title: Variation A
                      position: 2
                      active: true
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CampaignMessage'
        '401':
          description: Missing or invalid API key.
        '403':
          description: The API key lacks permission to access this project.
        '404':
          description: Resource not found in this project.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NotFoundError'
        '503':
          description: API key validation is temporarily unavailable.
      security:
        - ApiKeyAuth: []
components:
  schemas:
    CampaignMessage:
      type: object
      required:
        - id
        - title
        - position
        - active
      properties:
        id:
          type: integer
        title:
          type: string
          description: >-
            Server-generated message name, for example `Control` or `Variation
            A`.
        position:
          type: integer
        active:
          type: boolean
    NotFoundError:
      type: object
      required:
        - error
      properties:
        error:
          type: string
          enum:
            - not_found
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: Authorization
      description: Accepts either a raw API key or `Bearer <key>`.

````