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

# Get Evidence

> Fetch the raw content of an evidence file attached to a credential. `evidenceId` must be an evidence URN (`urn:via:evidence:<uuid>`); a malformed URN returns 400. The response body is the evidence content (e.g. base64-encoded file, JSON).



## OpenAPI

````yaml /versions/2026-07-06.yaml get /credential/evidence/{evidenceId}
openapi: 3.1.0
info:
  title: Humanos API
  description: Humanos API
  version: '1.0'
  contact: {}
servers: []
security: []
tags:
  - name: humanosApp
    description: ''
paths:
  /credential/evidence/{evidenceId}:
    get:
      tags:
        - Credentials
      summary: Get Evidence
      description: >-
        Fetch the raw content of an evidence file attached to a credential.
        `evidenceId` must be an evidence URN (`urn:via:evidence:<uuid>`); a
        malformed URN returns 400. The response body is the evidence content
        (e.g. base64-encoded file, JSON).
      operationId: credentials_evidence
      parameters:
        - name: evidenceId
          required: true
          in: path
          description: Unique identifier of the evidence file
          schema:
            example: urn:via:evidence:550e8400-e29b-41d4-a716-446655440000
            type: string
        - $ref: '#/components/parameters/ApiVersion'
      responses:
        '200':
          description: >-
            The content of the evidence. Response type can be any (e.g.,
            base64-encoded file content, JSON, etc.)
          content:
            application/json:
              schema:
                type: string
        '400':
          description: The evidenceId is not a valid evidence URN.
          content:
            application/json:
              schema:
                type: object
                properties:
                  statusCode:
                    type: number
                    example: 400
                  message:
                    type: string
                    example: Invalid urn
                  error:
                    type: string
                    example: Bad Request
        '404':
          description: Evidence not found
          content:
            application/json:
              schema:
                type: object
                properties:
                  statusCode:
                    type: number
                    example: 404
                  message:
                    type: string
                    example: Evidence not found
                  error:
                    type: string
                    example: Not Found
components:
  parameters:
    ApiVersion:
      name: API-Version
      in: header
      required: false
      schema:
        type: string
        pattern: ^\d{4}-\d{2}-\d{2}$
        example: '2026-07-06'
      description: >-
        Pin request, response, and webhook shapes to a specific dated API
        version (YYYY-MM-DD). Omit to use the version pinned to your API key
        (set when the key is created; new keys default to the latest version).
        New integrations should target the latest version.

````