Captcha
- Release Notes and Announcements
- Product Introduction
- Integration Guide
- Client Integration
- Server Integration
- API Documentation
- Making API Requests
- Server APIs
- Business Disaster Recovery Scheme
Advantages
Last updated: 2025-02-28 11:35:25
Multi-dimensional defense
Captcha prevents malicious activities of the black market by providing a multi-dimensional defense system, which consists of 10 security mechanisms including dynamic encryption, PoW verification, trajectory analysis, characteristic identification, credit history, device fingerprint, anti-emulator, VM reinforcement, blocklists, and hierarchical verification.
Many Tencent services have been threatened by malicious activities of the black market. Captcha has supported Tencent services for many years and therefore has extensive experience in threat mitigation and situational awareness. This gives it advantages in defending against increasingly serious threats and protecting business security.
Custom configuration
As a cross-platform service,Captcha is compatible with multiple environments such as Web, Android, and iOS. It also allows you to define risk control level, prompt language, help button, and other elements to satisfy your verification needs in different scenarios and improve user experience.
Quick integration
Captcha supports multiple language integration including PHP, Python, Java, Go, C++ and Node.js, and provides comprehensive code demos to help users with the integration of Captcha in hours.
Accessibility
Disabled users can switch from common verification mode to accessibility mode conveniently. Captcha Service is in compliance with Web Content Accessibility Guidelines (WCAG) 2.1, which makes content more accessible to a wider range of users with disabilities, providing a more friendly and more interactive experience.
Highly available service
Redundant switches and elastic scaling of cloud service ensure a service availability of 99.99%. The proven disaster recovery scheme gives you a worry-free experience.
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