Welcome to the Expi API documentation. All endpoints are accessed via the central query handler.

Authenticate every request via Basic Auth or by including credentials in the JSON body.

Manage products and services.

Create and manage invoices.

Manage customer profiles.

Coming soon. Subscription API endpoints are under development.

Coming Soon. Transaction API endpoints are under development and will be available soon.

Reference implementation and explanation of how to use Atlas Interpreter on a checkout form to securely tokenize card data and submit transactions to the Expitrans Atlas API.