This topic has 1 reply, 2 voices, and was last updated 7 years, 2 months ago by Anonymous. Viewing 1 reply thread Author Posts December 22, 2016 at 4:09 pm #26470 AnonymousInactive I downloaded, installed and activated my usps premium plugin, and when entering my API license key and email address, then click the ‘activate’ button, I get an ‘invalid request’ message. December 23, 2016 at 7:45 pm #26504 AnonymousInactive Hi, We apologize for the inconvenience. We have fixed the issue fir you and replied via ticket 548. Let us know, if you have some query. Regards, Neha Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In