Kong Gateway: Most Trusted Open Source API Gateway | Kong Inc.
Kong Gateway is the industry’s most trusted open source API gateway. Accelerate development and delivery of APIs and microservices with Kong Gateway today!
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Kong Gateway is the world's most trusted open-source cloud-native API and AI Gateway, providing high-performance proxying, routing, security, and extensibility for APIs, microservices, and LLM traffic.
🚀 Overview
Kong Gateway is a lightweight, fast, and flexible cloud-native data plane built on an ultra-scalable NGINX engine, handling 50K+ transactions per second per node. It serves as a unified gateway for managing traditional APIs, microservices, and emerging AI/LLM workloads in hybrid, multi-cloud, or Kubernetes environments.
What problem does this project solve? It addresses the challenges of scaling and securing APIs and AI traffic across distributed systems, offering architectural flexibility, APIOps automation, and extensibility via plugins.
Who is it built for? Developers, engineering teams, and enterprises managing complex API ecosystems, microservices, and AI connectivity.
Why did you build it? To provide a performant, open-source alternative that empowers self-service API management, DevOps practices, and innovation in API and AI orchestration without vendor lock-in.
✨ Key Features
- Ridiculously fast performance: NGINX-based core delivers ultra-high throughput with load balancing, health checks, and L4/L7 proxying.
- Extensible plugin system: 90+ official plugins for auth (JWT, OAuth), rate limiting, transformations, logging; plus 1000+ community plugins and AI features like multi-LLM routing, semantic security, caching.
- Deployment flexibility: Database-optional (DB-less/hybrid), Kubernetes Ingress Controller, supports REST, gRPC, GraphQL, Kafka, WebSockets.
- AI Gateway capabilities: Unified access to LLMs (OpenAI, Anthropic, etc.), MCP traffic governance, observability with OpenTelemetry.
- Optional: Kong Manager UI for configuration, declarative config for CI/CD.
🛠 Tech Stack
- Core: OpenResty (NGINX + LuaJIT)
- Plugins: Lua, Go, JavaScript via Plugin Development Kit
- Database: Optional PostgreSQL, Cassandra, or DB-less
- Deployment: Docker, Kubernetes (Ingress Controller), serverless
- Observability: OpenTelemetry, Prometheus
👥 Who Is This For?
This project is useful for:
- Developers who want to proxy, secure, and scale APIs/microservices effortlessly
- Teams looking for cloud-native API gateways with AI support
- Enterprises building hybrid/multi-cloud API and LLM orchestration
📸 Screenshots / Demo
- Live demo: Quickstart with Docker Compose at https://docs.konghq.com/gateway/latest/quickstart/
- GitHub: https://github.com/Kong/kong
🔥 Project Status
- 🟢 Actively building
Last updated: 2026-03-24
❓ FAQ
Is this project free?
Yes / Freemium / Open Source (Core is Apache 2.0 open source and free; Enterprise edition and Konnect SaaS add advanced features, support, and SLAs.)
Is the source code available?
Yes — https://github.com/Kong/kong
Can I contribute?
Yes — Follow CONTRIBUTING.md and DEVELOPER.md for PRs, issues, or plugin development. Join discussions, forum at https://discuss.konghq.com, or Slack.
📬 Contact & Links
- Website: https://konghq.com/kong
- GitHub: https://github.com/Kong/kong
- Twitter/X: https://x.com/thekonginc
- Email: Contact sales at https://konghq.com/contact-sales or community forum https://discuss.konghq.com
Built with ❤️ and kept warm on WarmIndex.
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