Add a surcharge to in-person credit card payments to help cover the cost of processing.
Finix terminals support surcharging through the device configuration. The surcharge_basis_points field sets the surcharge as a percentage of the transaction amount and cannot exceed 300 (3%). For more information, see the Update Device API.
How the surcharge gets applied depends on your integration:
- Standalone Terminals: The Finix Payment App on the terminal calculates the surcharge and adds it to the
TransferorAuthorizationautomatically. No additional steps are needed on your end. - POS API integrations: Reach out to your Finix point of contact or email support@finix.com to incorporate surcharging appropriately into your integration.
Requirements
Merchants must be enabled by Finix before processing surcharge fees. Reach out to your Finix point of contact or email support@finix.com at least 35 days in advance. Card brand rules also apply: surcharges are limited to credit cards, capped at 3%, and must be disclosed to the buyer before payment. For more information, see Surcharge Fees.