In order to retrieve the lost/forgotten username and/or password please do the following:

Please go to TradeKey.com Sign-In page –

http://www.tradekey.com/index.php?action=login_signin

Then click on "Forgot your password?"

Here, provide the email address with which you have registered at TradeKey.com. The login details (i.e username and password) are sent to your email address. You can then check your email to find your login details.