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

# Cancel scheduled message

> Cancels a pending scheduled message.



## OpenAPI

````yaml /api-reference/voxys_campaigns_swagger.json post /api/v1/accounts/{account_id}/scheduled_messages/{id}/cancel
openapi: 3.1.0
info:
  title: Voxys Connect – Extended Features
  description: >-
    API documentation for Voxys Connect extended features: Campaigns, WhatsApp
    Templates & Flows, Appointments, Scheduled Messages, Projects, Internal
    Channels, Customer Pulse, and Reports.
  version: 1.0.0
  contact:
    email: support@voxys.ai
  license:
    name: MIT License
    url: https://opensource.org/licenses/MIT
servers:
  - url: https://connect.voxys.ai
security:
  - userApiKey: []
tags:
  - name: Campaigns Extended
    description: Campaign triggering, analytics, scheduling, audiences, and contact lists
  - name: Scheduled Messages
    description: Schedule messages for future delivery
  - name: Outbound Reports
    description: Analytics for outbound campaign and template messages (v2)
paths:
  /api/v1/accounts/{account_id}/scheduled_messages/{id}/cancel:
    post:
      tags:
        - Scheduled Messages
      summary: Cancel scheduled message
      description: Cancels a pending scheduled message.
      operationId: cancelScheduledMessage
      responses:
        '200':
          description: Scheduled message cancelled
        '401':
          $ref: '#/components/responses/unauthorized'
        '404':
          $ref: '#/components/responses/not_found'
components:
  responses:
    unauthorized:
      description: Authentication failed – invalid or missing api_access_token
    not_found:
      description: Resource not found
  securitySchemes:
    userApiKey:
      type: apiKey
      in: header
      name: api_access_token
      description: >-
        All API requests must include the `api_access_token` header with a valid
        agent or administrator token.

````