PCI certification for a custom platform

Need for PCI certification for a custom platform with web control panel and iOS/Android mobile applications. The level of certification should cover the components involved in the communication reflected in the following flow of information: 1.- From the mobile app the user introduces card number, date and CVV in a native form. 2.- The information is sent directly to our web server. 3.- From our web server it is sent directly to the payment gateway. 4.- The gateway returns a token for that card, and that token is stored on the web server. At no time the info of the card is stored neither in the apps nor in the server, the only thing that is stored is the token that the bank returns to us. Development status: Beta Nº of transactions: 0 . In general we are interested in the level that implies a lower number of transactions, which in principle is the most basic and is the one that fits with the startup models. TLS 1.2 certificate for communications encryption (required for PCI certification) Components: - Web control panel (custom Backend). Hosted by Amazon AWS - iOS Mobile App (Not yet published). Native development - Android mobile app (not yet published). Native development