Product overview
This topic describes Alibaba Cloud CAPTCHA, its billing methods, and how to get started quickly.
Alibaba Cloud CAPTCHA
Alibaba Cloud CAPTCHA is a verification service that uses simple, secure, and diverse interactions to distinguish between human users and bots. It helps mitigate and prevent automated programs from abusing your web resources and enhances security without compromising the user experience.
Alibaba Cloud CAPTCHA is available in two versions: CAPTCHA 2.0 and CAPTCHA 1.0. These versions are independent and have separate consoles, integration methods, and documentation. You can switch between versions in the CAPTCHA console.
CAPTCHA 2.0 and CAPTCHA 1.0
The following table compares the features of CAPTCHA 2.0 and CAPTCHA 1.0, including supported client types and CAPTCHA types.
Feature | CAPTCHA 2.0 | CAPTCHA 1.0 |
client type | Web, H5, and App (WebView + H5) | Web (PC), H5 (mobile WAP + App) |
CAPTCHA type | No-Captcha CAPTCHA, One-click CAPTCHA, Slider CAPTCHA, Jigsaw CAPTCHA, and Image Restore CAPTCHA | Slider CAPTCHA, No-Captcha CAPTCHA, and Intelligent CAPTCHA |
Verification flow |
Billing
Quick start
CAPTCHA 2.0
To get started with CAPTCHA 2.0, follow these steps. For detailed instructions, see the Integration Guide.
CAPTCHA 1.0
To get started with CAPTCHA 1.0, follow these steps.
Complete client-side and server-side integration.