Key Pool

A so-called Key Pool allows the use of multiple API keys to overcome the concurrency limitations of a $5 key. By default, a single$5 key is limited to three requests per minute. By adding a Key Pool, this limit can be bypassed, significantly improving the website's response speed.

Adding a Key Pool to Enable Multi-Key Polling

Since the project itself does not integrate any database, modifications are relatively simple.

1. Open /app/config/server.ts
2. Original code

3. Change it to the following

4. On Vercel, modify the environment variable OPENAI_API_KEY to include multiple OpenAI API keys separated by English commas (e.g., sk-xxxx1,sk-xxxx2,sk-xxx3), then redeploy.