The example doesnt really work
$ curl https://www.geteasypost.com/api/address/verify \
> -u cueqNZUb3ldeWTNX7MU3Mel8UXtaAMUi: \
> -d 'address[street1]=388 Townsend St' \
> -d 'address[street2]=Apt 20' \
> -d 'address[zip]=94107'
<html><body>You are being <a href="http://www.geteasypost.com/api/address/verify">redirected</a>.</body></html>