The Blizzard End User License Agreement explains what you may and may not do with a Blizzard account. This article highlights a few passages from the EULA that are most relevant to this policy.

What to do if you can't claim a Battle.net Balance code because the currency of the code doesn't match your currency

How to permanently delete an account.

How to check the linked status of your Twitch account.

Information regarding steps you can take if your email address is already in use on an account.

Troubleshooting steps to resolve error message BLZBNTAGT0000032A.

How to solve this problem on an incomplete Battle.net account

Request to restore a deleted Battle.net Account or game license

Information about securing an account that is getting verification requests that they did not initiate

Follow these helpful tips to secure your account.