At Bitly we are always updating our products and technology to make them more modern, secure, efficient, and usable. To that end we are proud to introduce the latest version of the Bitly API 4.0.0 (V4). This documentation will highlight some of the changes that we’ve made and how to adapt your V3 integrations to work with V4.
Migrating from v3 to v4 of the Bitly API
