Getting 429 error when following Quickstart tutorial

I am following the quickstart tutorial: https://platform.openai.com/docs/quickstart

But I am unable to get the first test script to run.

The code:

from openai import OpenAI
client = OpenAI()

completion = client.chat.completions.create(
  model="gpt-3.5-turbo",
  messages=[
    {"role": "system", "content": "You are a poetic assistant, skilled in explaining complex programming concepts with creative flair."},
    {"role": "user", "content": "Compose a poem that explains the concept of recursion in programming."}
  ]
)

print(completion.choices[0].message)

Error:

(openai-env) ~/code/openai_api_test > python3 openai-test.py
Traceback (most recent call last):
  File "/Users/joseph/code/openai_api_test/openai-test.py", line 4, in <module>
    completion = client.chat.completions.create(
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/joseph/code/openai_api_test/openai-env/lib/python3.12/site-packages/openai/_utils/_utils.py", line 277, in wrapper
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^
  File "/Users/joseph/code/openai_api_test/openai-env/lib/python3.12/site-packages/openai/resources/chat/completions.py", line 579, in create
    return self._post(
           ^^^^^^^^^^^
  File "/Users/joseph/code/openai_api_test/openai-env/lib/python3.12/site-packages/openai/_base_client.py", line 1240, in post
    return cast(ResponseT, self.request(cast_to, opts, stream=stream, stream_cls=stream_cls))
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/joseph/code/openai_api_test/openai-env/lib/python3.12/site-packages/openai/_base_client.py", line 921, in request
    return self._request(
           ^^^^^^^^^^^^^^
  File "/Users/joseph/code/openai_api_test/openai-env/lib/python3.12/site-packages/openai/_base_client.py", line 1005, in _request
    return self._retry_request(
           ^^^^^^^^^^^^^^^^^^^^
  File "/Users/joseph/code/openai_api_test/openai-env/lib/python3.12/site-packages/openai/_base_client.py", line 1053, in _retry_request
    return self._request(
           ^^^^^^^^^^^^^^
  File "/Users/joseph/code/openai_api_test/openai-env/lib/python3.12/site-packages/openai/_base_client.py", line 1005, in _request
    return self._retry_request(
           ^^^^^^^^^^^^^^^^^^^^
  File "/Users/joseph/code/openai_api_test/openai-env/lib/python3.12/site-packages/openai/_base_client.py", line 1053, in _retry_request
    return self._request(
           ^^^^^^^^^^^^^^
  File "/Users/joseph/code/openai_api_test/openai-env/lib/python3.12/site-packages/openai/_base_client.py", line 1020, in _request
    raise self._make_status_error_from_response(err.response) from None
openai.RateLimitError: Error code: 429 - {'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': None, 'code': 'insufficient_quota'}}

I’ve added my credit card and purchased API credits but didn’t make a difference.

It’s working now. Maybe it takes a few minutes for the credits to apply.

I am hitting error 429 with a free account. Usage page shows all zeros - as expected, for this is my first run. OPENAI_API_KEY exported all right. So how am I to follow that tutorial if the very first request fails?