Lumen is an open-source PHP micro-framework created by Taylor Otwell as an alternative to Laravel to meet the demand of lightweight installations that are faster than existing PHP micro-frameworks such as Slim and Silex. TL DR: In this tutorial, I'll show you how easy it is to build and secure an API with Lumen.
This post has been updated to Lumen 7.x and Auth0 PHP SDK 7.x.