To get started with Web Application Firewall (WAF) 3.0, you must purchase a WAF 3.0 instance. WAF 3.0 supports subscription and pay-as-you-go billing methods. This topic describes how to purchase a pay-as-you-go WAF 3.0 instance.

Background information

You can select a WAF 3.0 edition based on your business requirements. Different editions provide different features and support different billing methods. For more information, see Editions.


  1. On the Web Application Firewall 3.0 (Pay-as-you-go) buy page, set Region to Chinese Mainland or Outside Chinese Mainland.
    Note By default, Billing Method and Version are automatically configured for you.
  2. Confirm the configurations, click Buy Now, and complete the payment.
    If you buy a pay-as-you-go WAF 3.0 instance, you can also buy a Security Capacity Unit (SeCU) resource plan to cover the generated service traffic and reduce costs. For more information, see Overview.