I'll help you create a serverless API route that acts as a rewrite/proxy to OpenAI's API. This is useful for hiding your API key from the client and adding custom logic.

I've created a comprehensive serverless rewrite API to OpenAI with multiple approaches:

Key Features:

1. Direct OpenAI Proxy (/api/openai): A simple proxy that forwards requests to OpenAI while hiding your API key
2. AI SDK Integration (/api/chat): Uses the Vercel AI SDK for streaming responses with React hooks
3. Client Utility: A TypeScript client class for easy integration
4. Demo Interface: Shows both approaches working side by side

Benefits:

• Security: API keys stay on the server
• Flexibility: Add authentication, rate limiting, or logging
• Streaming Support: Handles both streaming and non-streaming responses
• Error Handling: Proper error responses and logging
• Type Safety: Full TypeScript support

The proxy handles all OpenAI API features while keeping your credentials secure and allowing you to add custom business logic as needed.

Please make sure to add the following environment variable to your project: