$http.get('/v2/organizations');

location /v2{
    proxy_set_header Referer '';
    proxy_pass https://api.myapp.com;
}

location /api1/v2{
    proxy_set_header Referer '';
    proxy_pass https://api1.hello.com;
}
location /api2/v2{
    proxy_set_header Referer '';
    proxy_pass https://api2.hello.com;
}