Not getting response when sending base64 format of PDF file for free OCR doc extract

Hi Team,
We are using free OCR API for extracting the fields we required from passport document
When we are selecting the file type as pdf and sending the request we are getting response in json format for that pdf file.
Here is the screenshot of that for reference


But when we try to send the request in base64 format with the same above URL as used for pdf,getting issue like stated- “ErrorMessage”: [
“No file uploaded or URL or base64 provided”
We are passing the input parameter like in the below screenshot

Hi, I answered here: While sending request input as Json to the - #2 by admin