API Gateway by ngrok enables managing traffic to your APIs quickly. It serves your apps and APIs globally without friction, whether running in the cloud, on-premises, or in customer and partner networks. It allows you to configure policies such as authentication or transformation. Unlike traditional proxies, it doesn't rely on IP forwarding. Instead, you run a lightweight agent that connects securely to ngrok's network. Traffic flows through this secure connection to your service, providing comprehensive security and functionality for various use cases.