please tell me how to post data to JIRA using oauth without username and password using curl command
Community moderators have prevented the ability to post new answers.
You can authenticate and save a cookie, and then use the cookie to authenticate rather than username and password as discussed on https://answers.atlassian.com/questions/77474
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.