data card sales center

We sell cards that are used to access personal information. Each card contains a unique serial and pin number. Our clients buys them from us. We need a google app that will let our clients place the order of the cards then the unique serial and pin number will be sent to them through sms and email. Moreover we want our clients to register and sign in before they can place the order . We will provide the api for the payment gateway and the sms. Contact us on whatsapp: 00233243044211