The API call requires additional information of the end user from the cardholder such as residential address to proceed with the payment.
- residential_address_subdivision (US, AU, CA)
Additional parameters are mandatory based on country:
US, AU, CA – residential_address_subdivision Valid state (for countries that have states)
For more information please navigate to our API documents (section1.4): https://docs.api.isignthis.com/identity-services-create-transaction/