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

# Delete WhatsApp Alternative session

> Delete the session, unlink its senders, and log the device out of WhatsApp (it disappears from the phone's Linked devices). Not available with test-mode API keys.



## OpenAPI

````yaml /openapi.json delete /v1/whatsapp-alt/sessions/{sessionId}
openapi: 3.0.3
info:
  title: Zavu Unified Messaging Layer API
  version: 0.2.0
  description: >
    Unified multi-channel messaging API for Zavu.


    Supported channels:

    - **SMS**: Simple text messages

    - **WhatsApp**: Rich messaging with media, buttons, lists, CTA URL buttons,
    and templates

    - **Telegram**: Bot messaging with text, media, and interactive elements

    - **Email**: Transactional emails via Amazon SES


    Design goals:

    - Simple `send()` entrypoint for developers

    - Project-level authentication via Bearer token

    - Support for all WhatsApp message types (text, image, video, audio,
    document, sticker, location, contact, buttons, list, cta_url, reaction,
    template)

    - If a non-text message type is sent, WhatsApp channel is used automatically

    - 24-hour WhatsApp conversation window enforcement

    - Universal `to` field accepts phone numbers (E.164), email addresses, or
    numeric chat IDs (Telegram/Instagram/Messenger)
servers:
  - url: https://api.zavu.dev
security:
  - bearerAuth: []
paths:
  /v1/whatsapp-alt/sessions/{sessionId}:
    delete:
      tags:
        - WhatsApp Alternative
      summary: Delete WhatsApp Alternative session
      description: >-
        Delete the session, unlink its senders, and log the device out of
        WhatsApp (it disappears from the phone's Linked devices). Not available
        with test-mode API keys.
      operationId: deleteWhatsAppAltSession
      parameters:
        - name: sessionId
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Session deleted.
        '401':
          description: Unauthorized.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Session not found.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
        - bearerAuth: []
components:
  schemas:
    Error:
      type: object
      required:
        - code
        - message
      properties:
        code:
          type: string
          example: invalid_request
        message:
          type: string
          example: Phone number is invalid
        details:
          type: object
          additionalProperties: true
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

````