Tableau server version : 10.5.2 (Linux edition)
I am trying to query workbook preview image by following the below link :
I have been facing with Unauthorized access by sending the below request :
No authentication credentials were provided.
Can anyone help me how to troubleshoot this issue.
Did you do a signin first to get an auth token? If not, you need to do this, and then X-Tableau-Auth needs to be included in the request header. See here: https://onlinehelp.tableau.com/current/api/rest_api/en-us/help.htm#REST/rest_api_ref.htm#Sign_In%3FTocPath%3DAPI%2520Ref…