Accesing/Downloading Zoho Project Document Through API

Accesing/Downloading Zoho Project Document Through API

I was able to access and download the project specific document by using the below link ( https://projectsapi.zoho.com/restapi/portal/xxxxx/projects/xxxxxxx/documents/?authtoken=xxxxxxxxxx ) and making a GET request but now its not working and getting this below message.

Sorry about that! The page you were looking for may have been moved or the address misspelled.

1. It is possible that you typed the address incorrectly.
2. The page or file you are looking for has been moved or does not exist.

Please go to Home page or mail at support@zohodocs.com