Card registration
This example illustrate how to register a card during a payment for later use. The init request have to specify the wallet_registration parameter with one of ['suggest' or 'mandatory'] values. In the case of a credit card registration a wallet_id identifier have to be prodvided otherwise the checkbox will not be displayed.
Init json : Register card payment
For security purpose the purchase initiation have to be done from server side. Do not initial purchase from client browser using ajax call. In this case you will expose your public and secret key, such any hacker could make request for you.