Commonly confused

WAF vs API Gateway

A WAF stops common web attacks. An API gateway manages API auth, routing, and quotas for consumers.

WAF

A Web Application Firewall (WAF) is a specialized security tool designed to protect web applications from malicious attacks. It acts as a shield between a web application and the internet, inspecting incoming HTTP traffic for suspicious patterns and blocking harmful requests.

A Web Application Firewall (WAF) protects web applications by filtering malicious HTTP traffic, preventing attacks like SQL injection and XSS.

Full PathTerms™ definition

API Gateway

An API Gateway is a server that acts as a single entry point for clients accessing various backend services. It handles incoming requests, routes them to the appropriate microservice or application, and then returns the response to the client. This abstraction simplifies client.

An API Gateway is a single entry point for clients accessing backend services, simplifying interactions and centralizing management.

Full PathTerms™ definition

Why it matters

People mix up WAF and API Gateway in exam questions and job posts. Knowing the difference helps you pick the right control, process, or architecture choice.

How to remember the difference

A WAF stops common web attacks. An API gateway manages API auth, routing, and quotas for consumers.

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