I just ran into a Problem where I wanted to request another local Laravel App (guzzle-test.test) from an App with Guzzle. TL;DR Run the following: curl Version mismatch The Problem is caused by curl installed in multiple versions. You can find further details in this Stackoverflow Post:https://stackoverflow.com/questions/54688451/curl-laravel-valet-dnsmasq-not-working/54908305#54908305