unable to fetch outlook Calendar

Question

Am able to get the token generation, after registering the application on azure platform, with the help of client secret and client id and Application tentant Id, but now, when am trying to read calendar, am not able to as it says

"error" : { 
 "code" : "BadRequest" , 
 "message" : "/me request is only valid with delegated authentication flow." , 
 "innerError" : { 
 "date" : "2023-07-21T12:12:46" ,

using method as Get and URL- https://graph.microsoft.com/v1.0/me/calendars 
 
 Please let me know, what can be there issue here. 
 
 and also when am trying to enter my organization email address instead of me in URL, still getting the below error:

"error" : { 
 "code" : "BadRequest" , 
 "message" : "Resource not found for the segment ********@****.com

lokeshk0623 · Accepted Answer

so basically with every request you hit for Microsoft graph, you need to delegate permissions of the API, you want to use, for delegate level as well as application level, so you need to have those approvals in place, once done, you can access them.
referred from: https://graph.microsoft.com/v1.0/users/gokul.parameswaran@yexle.com/calendars

Mathieu Drouin · Answer

learn.microsoft.com/.../how-to-fix-me-request-is-only-valid-with-delegated

unable to fetch outlook Calendar

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