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

# Send WhatsApp message



## OpenAPI

````yaml /api-reference/openapi-v2.json post /{channelId}/whatsapp_messages/send
openapi: 3.1.0
info:
  title: Heyy API
  version: 2.0.0
servers:
  - url: https://api.heyy.io/v2
security:
  - bearerAuth: []
paths:
  /{channelId}/whatsapp_messages/send:
    post:
      summary: Send WhatsApp message
      parameters:
        - name: channelId
          in: path
          required: true
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              anyOf:
                - type: object
                  properties:
                    phoneNumber:
                      type: string
                    type:
                      type: string
                      enum:
                        - TEMPLATE
                    fileId:
                      type: string
                      format: uuid
                    messageTemplateId:
                      type: string
                      format: uuid
                    variables:
                      type: array
                      items:
                        type: object
                        properties:
                          name:
                            type: string
                          value:
                            type: string
                        required:
                          - name
                          - value
                    scheduledAt:
                      type: string
                      format: date-time
                  required:
                    - phoneNumber
                    - type
                    - messageTemplateId
                - type: object
                  properties:
                    phoneNumber:
                      type: string
                    type:
                      type: string
                      enum:
                        - AUDIO
                    fileId:
                      type: string
                      format: uuid
                    scheduledAt:
                      type: string
                      format: date-time
                  required:
                    - phoneNumber
                    - type
                    - fileId
                - type: object
                  properties:
                    phoneNumber:
                      type: string
                    type:
                      type: string
                      enum:
                        - DOCUMENT
                        - IMAGE
                        - VIDEO
                    bodyText:
                      type: string
                      maxLength: 4096
                    fileId:
                      type: string
                      format: uuid
                    scheduledAt:
                      type: string
                      format: date-time
                  required:
                    - phoneNumber
                    - type
                    - fileId
                - type: object
                  properties:
                    phoneNumber:
                      type: string
                    type:
                      type: string
                      enum:
                        - TEXT
                    bodyText:
                      type: string
                      maxLength: 4096
                    scheduledAt:
                      type: string
                      format: date-time
                  required:
                    - phoneNumber
                    - type
                    - bodyText
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    enum:
                      - true
                  data:
                    type: object
                    properties:
                      id:
                        type: string
                      phoneNumber:
                        type: string
                      message: {}
                      status:
                        type: string
                      createdAt:
                        type: string
                    required:
                      - id
                      - phoneNumber
                      - status
                      - createdAt
                required:
                  - success
                  - data
                additionalProperties: false
              example:
                success: true
                data:
                  id: string
                  phoneNumber: string
                  message: null
                  status: string
                  createdAt: string
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

````