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

# Download Single Category Sample

> Download the specified category sample file

> ⚠️ This endpoint is still available but will no longer be maintained. Please use [Download Category Samples (ZIP)](/api-reference/file-category-samples/download-category-samples-zip) instead.




## OpenAPI

````yaml /docflow-global/en/rest-api/openapi.bundle.yaml get /api/app-api/sip/platform/v2/category/sample/download
openapi: 3.0.0
info:
  title: DocFlow API
  description: >-
    DocFlow REST API, providing file upload and file processing result retrieval
    capabilities
  version: 2.8.4
servers:
  - url: https://docflow.textin.ai
security:
  - ApiId: []
    SecretCode: []
paths:
  /api/app-api/sip/platform/v2/category/sample/download:
    get:
      tags:
        - Deprecated
      summary: Download Single Category Sample
      description: >
        Download the specified category sample file


        > ⚠️ This endpoint is still available but will no longer be maintained.
        Please use [Download Category Samples
        (ZIP)](/api-reference/file-category-samples/download-category-samples-zip)
        instead.
      operationId: downloadCategorySample
      parameters:
        - name: workspace_id
          in: query
          description: Workspace ID
          required: true
          schema:
            type: string
            example: '1234567890'
        - name: category_id
          in: query
          description: File category ID
          required: true
          schema:
            type: string
            example: '1234567890'
        - name: sample_id
          in: query
          description: Sample ID
          required: true
          schema:
            type: string
            example: '1234567890'
      responses:
        '200':
          description: Successfully downloaded sample file
          content:
            application/octet-stream:
              schema:
                type: string
                format: binary
components:
  securitySchemes:
    ApiId:
      type: apiKey
      in: header
      name: x-ti-app-id
    SecretCode:
      type: apiKey
      in: header
      name: x-ti-secret-code

````