raffiokrikorian

[lament ledge]

You would likely need to hook up a database that stores all the Payment Methods that you create, so you can quickly look up if that card has been used before by checking the card's fingerprint: https://stripe.com/docs/api/cards/object#card_object-fingerprint

[gusty jetty]

We're using the Stripe customer portal with Firebase integration. Is what you said feasible for us?

[lament ledge]

A cursory google search brought up these docs, which seem to indicate that it is possible: https://firebase.google.com/docs/database#:~:text=The Firebase Realtime Database lets,end user a responsive experience.

[gusty jetty]

We're using Firestore. But since we're using the customer portal, we won't know the credit card info until the trial has already been awarded.

[lament ledge]

Right, so you would need to perform a check on the card after the Customer onboards their new account and then disable provisioning of services and cancel the trial if that check indicates that they are using an identical card