Checks on Card address and CVC if provided
card.checks
If a address line1 was provided, results of the check, one of pass, fail, unavailable, or unchecked.
pass
fail
unavailable
unchecked
If a address postal code was provided, results of the check, one of pass, fail, unavailable, or unchecked.
If a CVC was provided, results of the check, one of pass, fail, unavailable, or unchecked.