I'm assuming you're asking about removing yourself from an entire HIpChat Cloud instance - i.e. deleting the account associated with your email address. Head over to https://www.hipchat.com/account/delete - you'll sign in with the email address and password for the team you joined by mistake.
The web interface will require you to type your password again to confirm you really want to delete your account.
After that, you're free to join the team you meant to join with your email address.
All good things come to an end - thanks to all our customers and partners who have been along the Hipchat and Stride journey with us. As of Feb 15th 2019, Hipchat Cloud and Stride have reached ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs