Adarsh-cards

[sleek light]

hello @vague trout! We don't have any feature that prevents the customer from adding the same card again, so what you would need to do is after the payment method object is created, check if the fingerprint [0] of this card, already exists on a payment method that is attached to the Customer

[0] https://stripe.com/docs/api/payment_methods/object#payment_method_object-card-fingerprint