Westpac PayWay API Payment Gateway

The Westpac PayWay API Payment Gateway is an official extension for WooCommerce that connects your WordPress store to Westpac's PayWay payment platform, one of Australia's most important banks. It is designed for merchants who already bank with Westpac and want to centralize their online payments through the PayWay API, maintaining full control from the WooCommerce admin panel.

This gateway allows you to process credit card payments in real time, accepting Visa and Mastercard by default, and optionally American Express, Diners Club, and JCB after activation by Westpac. The integration is done directly between your server and the bank, ensuring immediate authorization of each transaction and a smooth shopping experience for your customers, without redirects to third-party sites.

Its main benefits include:

• Real-time processing: instant authorization of card payments directly from your WooCommerce checkout.
• Centralized management: all transactions are recorded and associated with their corresponding orders within the WordPress dashboard, facilitating bank reconciliation and tracking of each sale.
• Integrated test mode: allows you to set up a sandbox environment to validate transactions before enabling production mode.
• Multiple card support: support for Visa, Mastercard, American Express, Diners Club, and JCB, covering the needs of most customers.
• Automatic order status management: order statuses are updated based on the gateway's response, streamlining the administrator's workflow.
• Bank-grade security: communication is carried out using PHP certificates provided by PayWay, ensuring a secure channel between your store and the bank.

Configuration is simple: after installing the plugin, you only need to enter your PayWay client credentials (username, password, and merchant ID), upload the PHP certificate downloaded from the PayWay admin panel, and add your server's IP to the secure access list. The plugin also includes a field to record the certificate's expiration date, preventing unexpected service interruptions.

This plugin is ideal for Australian stores that already work with Westpac, WordPress development agencies that need to integrate PayWay into e-commerce projects, and businesses looking to unify their financial infrastructure with their online store. By integrating PayWay natively into WooCommerce, you eliminate the need to manage disconnected gateways and gain a clear, complete view of your payments and orders in one place.