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

# Download evidence file

> Generates a signed URL to download an evidence file from cloud storage. The URL is valid for a limited time.



## OpenAPI

````yaml api-reference/cases.yaml post /evidence/uploads/download
openapi: 3.0.3
info:
  title: cases
  description: >-
    The Cases Service is the main place where all case info lives, including who
    is involved and what files are attached. It lets you create new cases, view
    existing ones, upload documents or files, and manage service of notice
    delivery through multiple channels (mail, email, or manual attestation),
    while notifying other parts of the system when anything changes.
  version: 1.0.0
servers:
  - url: https://cases.platform.arb.inc
security: []
tags:
  - name: /
  - name: cases
  - name: docket
  - name: evidence
  - name: filings
  - name: internal
  - name: invites
  - name: participants
  - name: schemas
  - name: service-of-notice
  - name: tasks
  - name: timetables
paths:
  /evidence/uploads/download:
    post:
      tags:
        - evidence
      summary: Download evidence file
      description: >-
        Generates a signed URL to download an evidence file from cloud storage.
        The URL is valid for a limited time.
      operationId: downloadEvidence
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - caseID
                - uploadID
              properties:
                caseID:
                  type: string
                  example: 2025-08-00292
                uploadID:
                  type: string
                  format: uuid
                  example: 2720f109-0caf-4c62-af22-5d08c853711c
      responses:
        '200':
          description: Successfully generated download URL
          content:
            application/json:
              schema:
                type: object
                properties:
                  url:
                    type: string
                    format: uri
                    example: >-
                      https://storage.googleapis.com/secure-storage.arb.inc/cases/2025-08-00292/evidence/2720f109-0caf-4c62-af22-5d08c853711c.pdf?X-Goog-Signature=...
                  validForSeconds:
                    type: integer
                    example: 3600
      security:
        - bearerAuth: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      description: access token
      scheme: bearer
      bearerFormat: JWT

````