If for any reason you need to update your payment information for Thirdwall, you can browse to this website: https://license.third-wall.com/UpdateCCInfo and update your information as needed.
You will need to provide your Thirdwall Subscription ID which can be found by following these instructions:
How Do I Find My Thirdwall Subscription ID?
Open any Thirdwall Location Screen. Locate and Click the Document Information icon in the lower left-hand corner.
This action will launch the Thirdwall License Dialog. Your Subscription ID/Serial Key will be listed here.