OpenAI-compatible API migration kit: drop-in /v1/images/generations and chat examples, a compatibility matrix, rollback switches and a checklist for moving workloads between AI API gateways.
Top API-GATEWAY GitHub Repositories & Tools (2026)
Discover the most starred and trending open source tools tagged with #api-gateway.
Next Generation Agentic Proxy for AI Agents and MCP servers
A next-gen FOSS self-hosted unified zero trust secure access platform that can operate as a remote access VPN, a ZTNA platform, API/AI/MCP gateway, a PaaS, an ngrok-alternative and a homelab infrastructure.
Manages Unified Access to Generative AI Services built on Envoy Gateway
๐ค AI Gateway | AI Native API Gateway
An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.
Turn CNB cloud-workspace in-network AI into production OpenAI & Anthropic (Claude Code) APIs. Zero deps, v5.2 self-healing HA, quota CLI.
Open-source auth gateway connecting 1500+ SaaS providers to AI agents through SDK, CLI, MCP, HTTP, and OpenAPI.
An API Gateway built on Spring Framework and Spring Boot providing routing and more.
Self-Hosted API Management for Builders
Microservices library - scalecube-services is a high throughput, low latency reactive microservices library built to scale. It features: API-Gateways, service-discovery, service-load-balancing, the architecture supports plug-and-play service communication modules and features. built to provide performance and low-latency real-time stream-processing
Gravitee.io - OpenSource API Management
The minimal interpretable model router that learns & adapts to your agent workflows
Manages Envoy Proxy as a Standalone or Kubernetes-based Application Gateway
Production-ready Codex-compatible account-pool gateway with seamless failover, full-session recovery, native quota headers, WebSocket/HTTP bridge, and observability.