Originally Posted by Tjeezers

it is on the front of your card when you receive it in the email
Merging is impossible without your user name, pass, and 16 digit number
you have to wait until you have the card in hands

Serious-Cash.com however had a simpler way of adding payoneer payout. You just fill in your user name. So in time i hope this complicated system will simplify it self like Serious-Cash has it