1. Go to https://www.payway.com.au and click Sign In.
2. Go to Setup Net.
3. Click Setup.
4. Select the third option, Bill Payments/Shopping Cart - I need to pass across information from my website.
5. Click Next.
6. Write down your PayWay Biller Code.
7. Upload your company logo.
8. Click Next.
9. Ensure all of the the Browser Return options and Server-To-Server Payment Notification options are left blank. These will be automatically set by your website.
10. Click Next.
11. Write down your HTTP Parameter Encryption and Security Token information.
12. Add the following IP Addresses for requesting a security token.
    
    • 202.131.94.131
    • 202.131.94.130
    • 202.131.89.11
    • 202.131.94.182
    • 202.131.94.181
    • 202.131.94.180
    • 202.131.94.178
    • 54.252.173.73
    • 54.206.50.190
13. Click Next.
14. Set Minimum Digits to 1 and Maximum Digits to 50.
15. Set Check Digit to 'No Check Digit'.
16. Click Next.
17. Set your preferences for payment amount limits and surcharges.
18. Click Next.
19. Go Live.
20. Go to thewebconsole.com > Shop Settings > Payment.
21. Enable the Westpac PayWay gateway.
22. Fill in the form using the information you wrote down earlier.
23. Click Save.

You have now successfully set up the Westpac PayWay gateway for your online store.