Callbacks

Learn how to handle payment lifecycle events with callbacks.

Overview

CryptumPay Widget provides three main callbacks to integrate with your web application:

• onCreateOrder - Called when button is clicked (create order)
• onCreateCustomerOrder - Called when the user selects currency/network and a customer order is created inside the widget
• onFinishOrder - Called when payment completes successfully

For detailed API documentation, method signatures, and usage examples, see Button Class.

See Also

• Button Class - Complete API reference with examples
• Events Flow - Events flow
• Backend Integration - Server-side integration