Headers of https://ancient-hamlet-78673.herokuapp.com/https://tslabs-gmg-login-api.herokuapp.com/api/main

HTTP/1.1 400 Header required
Server
Cowboy
Connection
close
Access-Control-Allow-Origin
*
Access-Control-Expose-Headers
access-control-allow-origin
Date
Tue, 24 Sep 2019 10:42:03 GMT
Via
1.1 vegur