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API Gateway

9router-hub

A lightweight OpenAI-compatible API gateway that routes requests to multiple AI providers through a unified interface.

Get Started

curl -X POST http://localhost:8080/v1/chat/completions -H "Content-Type: application/json" -d '{"model": "stealth/union-alpha", "messages": [{"role": "user", "content": "Hello"}]}'

Overview

9router-hub acts as a proxy server that aggregates multiple AI providers (like OpenRouter) behind a single OpenAI-compatible API endpoint. It allows you to switch between different AI models and providers without changing your client code.

Key Features

OpenAI-compatible API

Drop-in replacement for OpenAI API clients — swap the base URL and keep your existing code.

Multi-provider support

Route requests to OpenRouter, Groq, DeepSeek, and any OpenAI-compatible provider — all from one endpoint.

Configurable providers

Define providers via providers.json or use built-in defaults — add new models in seconds.

Docker support

Ready-to-deploy containerized application with multi-architecture builds — ship anywhere.

Zero dependencies

Lightweight Node.js server with no external packages — pure runtime, minimal footprint.

Quick Start

                                
Local Development

# Start the server locally
npm start
# Server runs on http://localhost:8080

                                
Docker Deployment

# Build and run with Docker
docker build -t 9router-hub .
docker run -p 8080:8080 \
  -e OPENROUTER_API_KEY=****** \
  9router-hub

Configuration

Providers are configured via providers.json or environment variables:

                            
providers.json

{
  "openrouter": {
    "baseUrl": "https://openrouter.ai/api/v1",
    "keyEnv": "OPENROUTER_API_KEY",
    "models": ["stealth/union-alpha"]
  }
}

Tech Stack

Built with modern, lightweight tooling:

Node.js 22 (Alpine Linux)
Pure Node.js HTTP server
Docker multi-arch
OpenAI-compatible API

Project structure:

├── server.js — Main application server
├── providers.json — Provider configuration (optional)
├── 9router-dashboard.html — Web dashboard interface
└── Dockerfile — Container configuration

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