Get an image of the check sent to a vendor.

In the response, a url is generated. Use the returned id in a subsequent GET request for downloading the check image. This value begins with cki.

curl –request GET 'https://api-stage.bill.com/is/CheckImageServlet?id={url_id}'
     –header 'sessionId: {session_id}'

The check image is available when the check is cleared and the check amount is transferred to the vendor’s bank account.