In order to find out which version you have, you can simply check the base URL of the API: the old base URL was "api.bandsintown.com" and the new one is "rest.bandsintown.com".
What's new in the Bandsintown API v3?
- The ticket information is regrouped in a new structure, "offers"
- "facebook_rsvp_url" has been replaced by "url"
How to upgrade to the v3:
You can use the Bandsintown API documentation by clicking here, or modifying manually by doing the following:
- Change the base URL to the new one: rest.bandsintown.com
- Replace "facebook_rsvp_url" by "url"
- Put ticket information in an "offers" section