Best API Gateways for Linux of 2025

Engineered for peak performance and efficient resource use, KrakenD can manage a staggering 70k requests per second on just one instance. Its stateless build ensures hassle-free scalability, sidelining complications like database upkeep or node synchronization. In terms of features, KrakenD is a jack-of-all-trades. It accommodates multiple protocols and API standards, offering granular access control, data shaping, and caching capabilities. A standout feature is its Backend For Frontend pattern, which consolidates various API calls into a single response, simplifying client interactions. On the security front, KrakenD is OWASP-compliant and data-agnostic, streamlining regulatory adherence. Operational ease comes via its declarative setup and robust third-party tool integration. With its open-source community edition and transparent pricing model, KrakenD is the go-to API Gateway for organizations that refuse to compromise on performance or scalability.

Tyk is an Open Source API Gateway and Management Platform that is leading in Open Source API Gateways and Management. It features an API gateway, analytics portal, dashboard, and a developer portal. Supporting REST, GraphQL, TCP and gRPC protocols We facilitate billions of transactions for thousands of innovative organisations. Tyk can be installed on-premises (Self-managed), Hybrid or fully SaaS.

Ambassador Edge Stack, a Kubernetes-native API Gateway, provides simplicity, security, and scalability for some of the largest Kubernetes infrastructures in the world. Ambassador Edge Stack makes it easy to secure microservices with a complete set of security functionality including automatic TLS, authentication and rate limiting. WAF integration is also available. Fine-grained access control is also possible. The API Gateway is a Kubernetes-based ingress controller that supports a wide range of protocols, including gRPC, gRPC Web, TLS termination, and traffic management controls to ensure resource availability.

Experience the leading API gateway in the world, designed specifically for hybrid and multi-cloud environments and optimized for microservices as well as distributed systems. Take the first step today by downloading Kong Gateway at no cost. This powerful tool not only supports hybrid and multi-cloud infrastructures but also features a Kubernetes-native ingress solution along with support for declarative configuration management. As part of the Konnect managed connectivity platform, Kong Gateway provides essential connectivity capabilities such as API Portals and AI-driven anomaly detection, all while allowing for high-performance connectivity runtimes. Enhance your setup with a variety of plugins created by Kong and the community, or develop your own using our comprehensive and user-friendly plugin development kit. You can configure the Gateway seamlessly through an API, a web-based interface, or with declarative configuration to facilitate updates within your CI/CD pipelines. With its robust features, Kong Gateway empowers users to create efficient and scalable API management solutions.

Kusk serves as an Open Source API Gateway, enabling rapid development, monitoring, and deployment of APIs within minutes. It enhances your API processes by providing pre-configured mocked responses and validated requests, while also seamlessly integrating with your preferred GitOps workflows to automate API Gateway deployment. By adhering to the OpenAPI Standard, Kusk ensures a single source of truth for your API, eliminating the need for extra configuration files and simplifying the management process. This streamlined approach not only saves time but also enhances consistency and reliability across your API ecosystem.