> ## 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.

# Show a customer KYB document

> Retrieves a single KYB document by ID. The customer must be of type `business` and the document must belong to the supplied customer. Required scope: `customer:read`.



## OpenAPI

````yaml /api-reference/customer/show-document-openapi.json get /api/external/customer/{customer}/document/{document}
openapi: 3.1.0
info:
  title: Blaaiz Platform API - Show Customer KYB Document
  version: 1.0.0
  description: >-
    Retrieve a single KYB document on a business-type customer. The `url` field
    is a 2-minute presigned download link.
servers:
  - url: https://api-prod.blaaiz.com
  - url: https://api-dev.blaaiz.com
security: []
tags:
  - name: Customer
paths:
  /api/external/customer/{customer}/document/{document}:
    get:
      tags:
        - Customer
      summary: Show a customer KYB document
      description: >-
        Retrieves a single KYB document by ID. The customer must be of type
        `business` and the document must belong to the supplied customer.
        Required scope: `customer:read`.
      parameters:
        - name: customer
          in: path
          required: true
          schema:
            type: string
            format: uuid
        - name: document
          in: path
          required: true
          schema:
            type: string
            format: uuid
      responses:
        '200':
          description: Document detail.
          content:
            application/json:
              example:
                message: Document retrieved successfully
                data:
                  id: 019a6e10-1fb3-7b2f-8f8b-ad1e92c4017a
                  business_customer_id: 019a6da3-4a9a-7033-81b9-12489eff13ee
                  type: CERTIFICATE_OF_INCORPORATION
                  name: Acme Inc — Certificate of Incorporation.pdf
                  extension: pdf
                  description: Filed 2019-03-12, Companies House
                  status: APPROVED
                  admin_comments: null
                  url: https://s3.amazonaws.com/...?X-Amz-Signature=...
                  created_at: '2026-04-20T10:14:31.000000Z'
                  updated_at: '2026-04-22T08:01:12.000000Z'
        '401':
          description: Unauthorized.
        '404':
          description: >-
            Customer or document not found, or the document does not belong to
            this customer.
      security:
        - oauth2ClientCredentials:
            - customer:read
components:
  securitySchemes:
    oauth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: /oauth/token
          scopes:
            customer:read: Read customers.

````