Simple API Proxy Server

This is a simple API proxy server that allows you to interact with a LLM API and Google Search API.

Features

• CORS enabled
• JSON request body parsing
• Rate limiting for both APIs
• Basic error handling

Environment Variables

The server uses the following environment variables:

• LLM_API_URL: The URL of the LLM API endpoint
• LLM_API_KEY: The API key for the LLM API
• LLM_CHAT_API_URL: The URL of the LLM Chat API endpoint
• GOOGLE_SEARCH_API_URL: The URL of the Google Search API
• GOOGLE_SEARCH_API_KEY: The API key for the Google Search API
• GOOGLE_SEARCH_CX: The CX for the Google Search API

Routes

• POST /api/llm/prompt: This route accepts a JSON body with model and prompt parameters and forwards the request to the LLM API. It is rate limited to 10 requests per minute and 1000 requests per day.
• GET /api/search: This route accepts a q query parameter and forwards the request to the Google Search API. It is rate limited to 100 requests per day.

Setup

1. Clone the repository
2. Install the dependencies with npm install
3. Set the environment variables in a .env file like in .env.exemple
4. Start the server with npm start

Usage

You can use any HTTP client to send requests to the server. Here's an example using curl:

# LLM API
curl http://localhost:8000/api/llm/prompt -H "Content-Type: application/json" -d '{"model": "Meta-Llama-3-8B-Instruct", "prompt": "How to save the world?"}'
  
# Google Search API
curl "http://localhost:8000/api/search?q=How%20to%20make%20a%20webserver%20in%20Rust?"