What are some alternatives?
When comparing Lumen and Veri, you can also consider the following products
Slim - A PHP micro framework
Laravel - A PHP Framework For Web Artisans
Leaf - Plug-n'-plant automatic cannabis home grow system
Fat-Free - PHP micro-framework designed to help you build dynamic and robust Web applications - fast
Symfony - A PHP full-stack web framework
Phalcon - Web framework delivered as a C-extension for PHP