ChatGPT API Error 429 too many requests

Hi, I have added a credit card and is not working, Try to use PostMan for fast check and still getting this error 429 Too Many Request. “error”: {
“message”: “You exceeded your current quota, please check your plan and billing details. For more information on this error, read the docs: https://platform.openai.com/docs/guides/error-codes/api-errors.”,
“type”: “insufficient_quota”,
“param”: null,
“code”: “insufficient_quota”
} … Also upgrade my quote and nothing same error please advise what else can I do to resolve this issue