– sign in to Canada Post http://www.canadapost.ca/business (to Online Business Center)
– go to Programs -> Developer
– click ‘Join Developer Program’
– you’ll get to a table with API Keys. Here’s a screenshot: http://i.imgur.com/Oq8YTXm.jpg
– copy Production username and password and insert them to Account Details in the Ecwid control panel.
– click ‘Test method’ to check. If all is setup correctly, it will return ‘Test succeeded’.
– click OK -> Save