Dear Alibaba Cloud user, the image restoration CAPTCHA feature of Captcha 2.0 was released on Jul1 11, 2024 for public preview. During the public preview period, only a few image samples are provided. Therefore, we recommend that you use the image restoration CAPTCHA feature but do not conduct strong adversarial testing online. Image restoration CAPTCHA will be commercially released with further notice.
References
For more information about the benefits, supported CAPTCHA types, verification processes, and verification sequence diagrams of Captcha 2.0, see What is Captcha 2.0?
For more information about the pay-as-you-go billing method and resource plan offset, see Billing.
For more information about how to activate Captcha 2.0 and purchase resources, see Activate Captcha 2.0.
For more information about how to integrate Captcha 2.0 into a business client and a business server, see Integration guide.