Does Jira supports Oauth as authentication and which authentication is the best and why?

[Anchi]

How many auth types Jira has and does Oauth is also one of its types? Also which is the best authentication type for Jira? and explains is significance.

[Thomas Magny-Garcia]

Hi @Anchi 
You may refer to this documentation about authentication and authorization methods : https://developer.atlassian.com/cloud/jira/platform/security-for-other-integrations/

Hope this helps!