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.
- 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.
- 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.