How to use cloud REST v2 api calls in atlassian connect app

[Sankar]

Hi,

I want to get user organizations list in atlas connect app.
How to call REST api in cloud app. How to authorize the user.
Please suggest.

[sdehesa]

You can find all the information at:
https://developer.atlassian.com/cloud/jira/platform/rest/v3/#authentication
https://developer.atlassian.com/cloud/jira/platform/security-for-connect-apps/