📄️ Overview
This document explains how to complete an eCommerce (ECOM) transaction using the GuestPay Hosted Payment Page.
📄️ Requirements
Test Site Setup
📄️ Authorization
The API uses Basic Authentication with a Base64 encoded string in the format of ClientId:ApiKey. If the Authorization header is missing or incorrect, the endpoint will return a 401 Unauthorized error.
📄️ Visual legend
Docs Version Dropdown
📄️ Request examples
Simple requests
📄️ Session notifications
If a notificationUrl is provided with the request, notifications about changes (for example, the associated payment transaction completed or failed) will be POSTed to that URL asynchronously (independently from the user's browser session.) You can use these notifications to apply relevant updates within your own system.
📄️ Technical documentation
For more detailed technical documentation you can head here: