Currently, WAF is available as SaaS WAF and CLB WAF instances with different plans. For more information, see Basic Plan Specification Description. You can select a WAF instance and plan according to your business needed. WAF supports only the monthly subscription (prepaid) but not pay-as-you-go billing mode.
3. On the WAF purchase page, select the target instance type, region, extra domain pack, extra QPS pack, security log pack, and validity, and click Buy now. For more information, see Billing Overview.
4. Complete the payment.
Subsequent Operations
After purchasing a SaaS or CLB WAF instance, you can perform operations on it as instructed in Getting Started.