Reverse proxy vs. API gateway: Key differences explained

Businesses increasingly rely on network devices to manage significant internet traffic and data, highlighting the need for robust solutions like reverse proxies and API gateways to optimize and secure web traffic. Reverse proxies act on the server side, enhancing website performance by distributing workloads, improving security through IP address masking, and caching content to boost response times. They also handle complex tasks like TLS handshakes to reduce stress on upstream servers. Conversely, API gateways function as central entry points for API traffic, offering routing, rate limiting, authentication, and load balancing to ensure optimal performance and security. They facilitate seamless communication between clients and backend services, often translating protocols to ensure compatibility across different systems. While both technologies share some features, they serve distinct roles, with reverse proxies focusing on load balancing and security for web services and API gateways managing API-specific tasks. The choice between the two depends on specific use cases, although they are often used together to leverage their complementary strengths, as demonstrated by platforms like ngrok, which integrates both to enhance application and network service security and performance.

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