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

# Deregister a phone number from WhatsApp Business

> Releases the phone number from WhatsApp Business, freeing it for use with another Business Solution Provider (BSP). This does not delete the connected account on SocialAPI; the account remains until it is disconnected explicitly.



## OpenAPI

````yaml /api-reference/openapi.json post /platforms/whatsapp/phone-numbers/{id}/deregister
openapi: 3.0.0
info:
  description: >-
    Unified social media inbox API. Read and respond to comments, DMs, reviews,
    and mentions across Instagram, Facebook, Threads, Google Business Profile,
    TikTok, LinkedIn, and YouTube through a single REST API. X/Twitter and
    Trustpilot coming soon.
  title: SocialAPI.AI
  contact:
    name: SocialAPI.AI Support
    email: support@social-api.ai
  license:
    name: MIT
  version: '1.0'
servers:
  - url: https://api.social-api.ai/v1
security: []
paths:
  /platforms/whatsapp/phone-numbers/{id}/deregister:
    post:
      tags:
        - WhatsApp
      summary: Deregister a phone number from WhatsApp Business
      description: >-
        Releases the phone number from WhatsApp Business, freeing it for use
        with another Business Solution Provider (BSP). This does not delete the
        connected account on SocialAPI; the account remains until it is
        disconnected explicitly.
      parameters:
        - example: acc_01HZ9X3Q4R5M6N7P8V2K0W1J
          description: Connected account ID (sapi_acc_...)
          name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Phone number deregistered
        '401':
          description: Invalid or missing API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/api_endpoints.ErrorResponse'
        '404':
          description: Account not found or not owned by caller
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/api_endpoints.ErrorResponse'
        '502':
          description: WhatsApp/Meta upstream error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/api_endpoints.ErrorResponse'
      security:
        - BearerAuth: []
components:
  schemas:
    api_endpoints.ErrorResponse:
      type: object
      properties:
        error:
          $ref: '#/components/schemas/api_endpoints.ErrorBody'
    api_endpoints.ErrorBody:
      type: object
      properties:
        code:
          type: string
          example: resource.not_found
        message:
          type: string
          example: Account not found
        meta:
          type: object
          additionalProperties: {}
  securitySchemes:
    BearerAuth:
      description: >-
        Prefix your API key with "Bearer ". Example: `Authorization: Bearer
        sapi_key_...`
      type: apiKey
      name: Authorization
      in: header

````