Generate token dynamically and retrieve data from list

Please refer this 

https://support.zendesk.com/hc/en-us/articles/203663836-Using-OAuth-authentication-with-your-application

Hi,

 

The token without any expiry is a major security risk. Most of the token is like that I think in azure access token will expire within an hour or a day.

 

 

https://sharepoint.stackexchange.com/questions/69617/sharepoint-2013-oauth-url-to-get-token