It is free to sign up for a Bitly account. You can sign up using your email address, Facebook account or Twitter account.
You can sign up on the homepage of Bitly, on the upper right-hand corner of your screen:
Once you click on "Sign Up", just fill out the form, click on "Create Account" and you're all set!
Please note: Usernames have to be unique and not currently taken by any other user.
If you're interested in learning about our Enterprise plans please email support@bitly.com or fill out a form here.