What are the best API gateways?

Selecting the right API gateway depends heavily on your team's existing infrastructure, scale, and whether you require advanced cloud integration or open-source control.The industry recognizes these as the best API gateways, classified by their primary strengths:1. The Market Leaders (Open Source Core)Kong Gateway: Built on NGINX, Kong is the most widely adopted open-source API gateway globally. It is heavily extensible through a massive plugin ecosystem and excels in enterprise-level Kubernetes deployments. It includes modern extensions like the Kong AI Gateway for managing LLM traffic. Apache APISIX: A rapidly growing, high-performance gateway managed by the Apache Foundation. It provides ultra-low latency and supports fully dynamic "hot-reloading" of configuration and plugins without restarting the server. It also features robust, native AI-proxy capabilities out of the box. Tyk: A feature-rich, production-ready gateway written in Go. Unlike competitors that lock advanced features behind enterprise tiers, Tyk offers rate-limiting, caching, analytics, and GraphQL federation entirely in its open-source core. 2. Modern & Developer-First GatewaysZuplo: A fully managed, modern gateway built specifically for developer speed. It features edge-native performance (deploying across 300+ global edge locations), native GitOps workflows, and uses TypeScript instead of Lua or XML for defining custom routing logic. KrakenD: A stateless, distributed API gateway built for raw speed and simplicity. It handles high-throughput API aggregation and composition beautifully, operating from a single binary without complex infrastructure dependencies. Traefik: A lightweight, cloud-native reverse proxy and gateway that excels at auto-discovering services. It natively reads configuration from Docker, Kubernetes, and ECS environments, making it highly popular with DevOps teams. 3. Cloud-Native Ecosystem ProvidersAWS API Gateway: The default option for teams tightly coupled with the Amazon ecosystem. It offers pay-per-request pricing and seamless, zero-friction integration with serverless AWS Lambda functions and IAM security architectures. Azure API Management (APIM): A heavyweight enterprise manager that dominates the corporate cloud market. It provides seamless integration with Microsoft Entra ID (formerly Active Directory) and standard Azure Functions pipelines.Google Cloud Apigee: Google’s enterprise-grade API platform designed for highly regulated industries. It offers top-tier governance, robust security analytics, and monetized API options, though it requires a significant infrastructure management footprint. 4. Event-Driven & Specialized GatewaysGravitee: Built specifically for event-native and asynchronous architectures. It is the top choice if your infrastructure needs to govern and stream real-time Kafka data or WebSockets right alongside traditional REST traffic. WSO2 API Manager: An open-source, highly customizable enterprise gateway. It is well-regarded for hybrid, multi-cloud setups and has mature, built-in support for Model Context Protocol (MCP) to securely prepare backend APIs for consumption by AI agents.