I haven’t done this for in a mobile situation but my day job is for a POS company. Presumably the same logic applies.
- Is this for a custom app or a generic app? I ask because if it was custom the client would already have a payment processer setup so you would have to figure out how to use them. Pretty much all of them offer a some sort rest api which is nice. You just provide the payment details and they spit back an approved/error message.
If it’s a generic app for the masses then well… a little bit more difficult. For the most part people won’t switch their merchant providers based upon a mobile app so you would most likely need to integrate with a few processors(first data, chase, heartland are the big ones, really).
Of course, there is always pay pal but I don’t have experience with them.
- With anything where dealing with credit/debit/money make sure you follow the PCI-DSS standards. You can lose your butt over violations in this.
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