Best API Gateways Tools

Gateways for managing, securing, and routing API requests (REST, GraphQL).

API gateways act as a single entry point for client requests, handling routing, security, and protocol translation for APIs such as REST and GraphQL. They are commonly deployed at the edge of a network to centralize cross-cutting concerns and simplify backend service interactions. Open-source gateways provide the core functionality without licensing fees and can be extended through plugins or custom code. Organizations often compare them to SaaS offerings that include managed hosting, support contracts, and integrated developer portals.

Top Open Source API Gateways platforms

View all 8 open-source options
Kong logo

Kong

Cloud‑native gateway unifying APIs, LLMs, and MCP traffic

Stars
42,896
License
Apache-2.0
Last commit
4 days ago
LuaActive
Apache APISIX logo

Apache APISIX

Dynamic, high-performance API gateway for modern cloud and AI workloads

Stars
16,278
License
Apache-2.0
Last commit
2 days ago
LuaActive
Tyk logo

Tyk

Fast, cloud-native API gateway for REST, GraphQL, gRPC, TCP

Stars
10,659
License
Last commit
1 day ago
GoActive
Lura logo

Lura

Build ultra‑fast, extensible API gateways with Go middleware

Stars
6,745
License
Last commit
4 days ago
GoActive
Manba logo

Manba

Unified HTTP API gateway with traffic control and plugins

Stars
3,324
License
Apache-2.0
Last commit
2 years ago
GoDormant
Janus logo

Janus

Lightweight Go‑based API gateway with granular control and analytics

Stars
2,851
License
MIT
Last commit
1 year ago
GoDormant
Most starred project
42,896★

Cloud‑native gateway unifying APIs, LLMs, and MCP traffic

Recently updated
5 hours ago

A lightweight, high‑performance solution for registering, securing, documenting, and analyzing APIs with a customizable portal and extensive policy library.

Dominant language
Go • 5 projects

Expect a strong Go presence among maintained projects.

What to evaluate

  1. 01Performance and Scalability

    Assess request throughput, latency, and the ability to scale horizontally under load. Look for benchmarks, support for clustering, and resource efficiency.

  2. 02Security Capabilities

    Evaluate built-in authentication methods (OAuth2, JWT, API keys), TLS termination, threat protection, and fine-grained access control.

  3. 03Extensibility and Plugin Ecosystem

    Consider the availability of plugins, SDKs, or custom scripting to add functionality such as custom auth, logging, or protocol conversion.

  4. 04Observability and Analytics

    Check for integrated logging, metrics, tracing, and dashboards that help monitor traffic patterns and diagnose issues.

  5. 05Community and Support

    Review the size of the contributor community, frequency of releases, documentation quality, and options for commercial support.

Common capabilities

Most tools in this category support these baseline capabilities.

  • Request routing
  • Load balancing
  • Authentication/Authorization
  • Rate limiting
  • Caching
  • Request/response transformation
  • Logging and metrics
  • API versioning
  • GraphQL support
  • Plugin architecture

Leading API Gateways SaaS platforms

View all 7 SaaS options
Amazon API Gateway logo

Amazon API Gateway

Fully managed service to create, publish, and secure APIs at any scale for backend access

API Gateways
Alternatives tracked
8 alternatives
Azure API Management logo

Azure API Management

Fully managed multicloud API management service for publishing, securing, and monitoring APIs across environments

API Gateways
Alternatives tracked
8 alternatives
Google Apigee API Management logo

Google Apigee API Management

API management platform to publish, secure, and analyze APIs

API Gateways
Alternatives tracked
8 alternatives
Hasura DDN logo

Hasura DDN

Universal data access layer for next-gen apps and AI with GraphQL

API Gateways
Alternatives tracked
8 alternatives
Kong logo

Kong

API gateway and service mesh platform for microservices

API Gateways
Alternatives tracked
8 alternatives
Stoplight logo

Stoplight

API design, documentation, and testing platform

API Gateways
Alternatives tracked
8 alternatives
Most compared product
8 open-source alternatives

Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, monitor, and secure APIs at any scale. It acts as a front door for applications to access data, business logic, or functionality from backend services, handling tasks like traffic management, authorization, and monitoring to simplify API-based integrations.

Leading hosted platforms

Frequently replaced when teams want private deployments and lower TCO.

Typical usage patterns

  1. 01Edge Routing for External Traffic

    Deploy the gateway at the network perimeter to route inbound client requests to appropriate backend services.

  2. 02Service Mesh Integration

    Use the gateway as a north-south entry point while internal service-to-service traffic is managed by a mesh such as Istio.

  3. 03Authentication and Authorization Enforcement

    Centralize token validation, API key checks, and role-based access control before requests reach microservices.

  4. 04Traffic Shaping and Rate Limiting

    Apply per-consumer or per-endpoint quotas to protect downstream services from overload.

  5. 05API Versioning and Transformation

    Rewrite request paths, headers, or payloads to support multiple API versions without changing backend code.

Frequent questions

What is an API gateway?

An API gateway is a server that sits between clients and backend services, handling request routing, security, rate limiting, and protocol translation for APIs.

How does an open-source API gateway differ from a SaaS offering?

Open-source gateways provide the software without hosted infrastructure, allowing self-hosting and custom extensions, while SaaS solutions include managed hosting, support contracts, and often additional services like developer portals.

Which security features are typically included?

Common security features include TLS termination, API key validation, OAuth2/JWT authentication, IP whitelisting, and request throttling to mitigate abuse.

How is rate limiting implemented?

Rate limiting is usually configured per consumer, API, or route, using token buckets or leaky-bucket algorithms to enforce request quotas over a defined time window.

Can API gateways handle both REST and GraphQL traffic?

Yes, many gateways support routing and security for REST endpoints as well as GraphQL queries, often providing schema introspection and request validation for GraphQL.

What factors influence choosing a gateway for a microservices architecture?

Key factors include performance at scale, extensibility for custom policies, integration with existing service discovery, observability tooling, and the level of community or commercial support.