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

# Delete a customer owner

> Removes a beneficial owner from the customer. Returns 400 if the owner is locked (status APPROVED or PROCESSING). Required scope: `customer:write`.

Note: owners can also be created and edited as part of `POST /api/external/customer` and `PUT /api/external/customer/{id}` via the `owners` array — only deletion has its own dedicated endpoint.



## OpenAPI

````yaml /api-reference/customer/delete-owner-openapi.json delete /api/external/customer/{customer}/owner/{owner}
openapi: 3.1.0
info:
  title: Blaaiz Platform API - Delete Customer Owner
  version: 1.0.0
  description: >-
    Remove a beneficial owner from a business-type customer. Not allowed when
    the owner is locked (status `APPROVED` or `PROCESSING`).
servers:
  - url: https://api-prod.blaaiz.com
  - url: https://api-dev.blaaiz.com
security: []
tags:
  - name: Customer
paths:
  /api/external/customer/{customer}/owner/{owner}:
    delete:
      tags:
        - Customer
      summary: Delete a customer owner
      description: >-
        Removes a beneficial owner from the customer. Returns 400 if the owner
        is locked (status APPROVED or PROCESSING). Required scope:
        `customer:write`.


        Note: owners can also be created and edited as part of `POST
        /api/external/customer` and `PUT /api/external/customer/{id}` via the
        `owners` array — only deletion has its own dedicated endpoint.
      parameters:
        - name: customer
          in: path
          required: true
          schema:
            type: string
            format: uuid
        - name: owner
          in: path
          required: true
          schema:
            type: string
            format: uuid
      responses:
        '200':
          description: Owner deleted.
          content:
            application/json:
              example:
                message: Owner deleted successfully
        '400':
          description: Owner is locked.
          content:
            application/json:
              example:
                message: >-
                  Cannot remove an owner that has been approved or is currently
                  under review.
        '401':
          description: Unauthorized.
        '404':
          description: Customer or owner not found.
      security:
        - oauth2ClientCredentials:
            - customer:write
components:
  securitySchemes:
    oauth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: /oauth/token
          scopes:
            customer:write: Create and update customers and KYC data.

````