Installment Transaction Service

Offer flexible payment options to consumers at checkout.

Installment Transaction Service Authentication Method

X-pay Token

Some Visa Developer APIs require an API Key-Shared Secret Authentication, which Visa refers to as x-pay-token. To invoke an API using x-pay-token, you will need an API Key and a Shared Secret, which is provided via the link below.

Visit the X-pay Token Guide to learn more.