Get face photo from main document

This endpoint allows you to retrieve the face photo from the main document associated with a specific session.

Parameters:

• companyKey (string, required) - The company's secret key.
• sessionId (string, required) - The unique identifier of the session.

{
  "companyKey": "your-company-secret-key",
  "sessionId": "example-session-id-12345"
}

{
  "result": "data:text/plain;base64String"
}