XTRM Payments API (XAPI)
White-labeled embedded payments
We've developed the XTRM API (XAPI) for you to white-label and fully integrate global payments into your system. This overview gives you an understanding of the types of calls possible with XAPI. In addition, you can explore the calls and responses you'll use while integrating XAPI into your site, mobile app, or platform. Please don't hesitate to contact us with any questions by emailing apisupport@xtrm.com.

The API quickstart guide can be found HERE.
The API test console can be found HERE.
The developer sandbox website can be found at sandbox.xtrm.com.
Call 1.866.367.9289 Option 2 for more information or email sales@xtrm.com or click HERE and fill out our contact form.