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 :
Request : http://10.0.0.112/trusted/puSIunVRQxKdxYmzqhS07A==:sNvyMtFNsJAVRmlFSnzo9PdT/api/2.8/sites/1/workbooks/44/previewImage
Response : http://tableau.com/api" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://tableau.com/api http://tableau.com/api/ts-api-2.8.xsd">
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…
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