Hello Paul,
Here is another question for yesterday my access token get expired. can you tell me how it works on staurt end.
Hello Sand,
You will have all the information you need on this topic: When should I renew my oAuth2 access token?
Notice that our client libraries already take into account our authentication process. We strongly recommend to use one of them and open a pull request if it is missing anything, we will be reactive to any of your PR.