Yes, you will be charged a nominal amount for card payments. You will be able to see these details when you enable this payment mode for your merchant account.
If you’ve already enabled it, tap the button below to view the charges.
Note: Once you’ve enabled the option, you can view the charges in the Payment Instruments section of your PhonePe Business app.
Related question(s)
Will I be notified if there are any changes to the charges?