I have a problem with my code on API so i created some simple code that use chatGPT API to answer my question so i try to make it and when i say hi it respond with: Sorry, I couldn’t understand that. Could you please try again? and on the console (inspect element) it says: POST https://api.openai.com/v1/completions 429
(anonymous) @ main.js:10
its always 429 i try to wait like 1 hour, 2 hour but its still error like that, is anybody can help me 
i am in free plan btw.