This is a secure backend proxy for OpenAI API calls.
POST /api/openai
{
"prompt": "Your prompt here",
"systemMessage": "Optional system message (default: helpful assistant)",
"model": "gpt-4 (default)",
"maxTokens": 1000 (default),
"temperature": 0.7 (default)
}{
"success": true,
"response": "OpenAI response text",
"usage": { "prompt_tokens": 10, "completion_tokens": 50, "total_tokens": 60 },
"model": "gpt-4"
}This project is ready to deploy to Vercel. Make sure to set the OPENAI_API_KEY environment variable in your Vercel project settings.