[Python] Azure openai error 401, "Unauthorized. Access token is missing, invalid, audience is...

Here is my python code, and encountered run time error,

Error: 401 { "statusCode": 401, "message": "Unauthorized. Access token is missing,

invalid, audience is incorrect (https://cognitiveservices.azure.com), or have expired." }

import requests

# Azure OpenAI Configuration
API_KEY = "xxxxxx" # API key from Azure OpenAI
ENDPOINT = "https://xxx.openai.azure.com/openai/deployments/gpt-4o/chat/completions?api-version=2024-02-15-preview"

# API data
payload = {
"messages": [
{"role": "system", "content": "You are a helpful assistant."},
{"role": "user", "content": "Tell me a joke."}
],
"temperature": 0.7,
"max_tokens": 100
}

headers = {
"Content-Type": "application/json",
"Authorization": f"Bearer {API_KEY}"
}

# API call
response = requests.post(ENDPOINT, headers=headers, json=payload)

if response.status_code == 200:
print("Response:", response.json())
else:
print("Error:", response.status_code, response.text)


Apikey&ENDPOINT

and gpt-4o model in swedencentral as resource type of Open AI service


model

I rechecked key and other values and topics related this issue. I can't find anything to solve it.

There will be no problem copying and pasting the key values and other necessary values. API version seem correct.

or, I am using free trial, so need to upgrade subscription? I don't think so.

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