API Gateway (APIG) is a high-performance, high-availability, and high-security API hosting service that helps you build, manage, and deploy APIs at any scale. With just a few clicks, you can integrate internal systems, and selectively expose capabilities with minimal costs and risks.

API Gateway provides multiple measures to secure API calling, such as Secure Sockets Layer (SSL) transfer, strict access control, IP address blacklist/whitelist, authentication, anti-replay, anti-attack, and multiple audit rules. In addition, API Gateway implements flexible and refined quota management and request throttling to help you flexibly and securely open your backend services.

For more information, see the API Gateway section of the Help Center or the API Gateway Landingpage for more detailed information.