Python 400 client error: Bad request for URL Azure cognitive services

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Python 400 client error Bad request for URL Azure cognitive services

In this Azure tutorial, we will discuss how to fix the error Python 400 client error: Bad request for URL Azure cognitive services. that I got while working with a requirement to Analyze an image using the Azure cognitive services Computer Vision API and Python.

Python 400 client error: Bad request for URL Azure cognitive services

Recently, I was working with a requirement where I had to get the details of an image using the Azure cognitive services Computer Vision API using Python. While running the application I got the error Python 400 client error: Bad request for URL Azure cognitive services.

“Python 400 client error: Bad request for URL Azure cognitive services“

This error Python 400 client error: Bad request for URL Azure cognitive services is mostly due to the below Problems

1- First thing is there might be some problem with the image, you are using here.

2- There might be some problem with the API Endpoint URL.

In my case, there was some issue with my Image so I got this error. There might be a chance you will also get the same error.

Python 400 client error: Bad request for URL Azure cognitive services [Solved]

Now, to fix this error, I have tried many ways, but at the end, I was getting the same error. Then I tried using another image and this time it was working as expected with out any issue. Few key things you need to verify if you are getting this error

  1. Verify the image properly like image size, format, etc. If you are getting the error with one image, try with another image, It might work for you.
  2. The second important thing is to check the API endpoint URL if it is properly formatted with the proper region, version, and all the parameters needed.
  3. Check the Azure cognitive services API key value properly. If needed ReGenerate the key and use the new one.

You can try to use the EndPoint URL like below

key = "d38b4303c2774962a####ed43ff4b76f"
assert apikey
url = "https://southeastasia.api.cognitive.microsoft.com/vision/v3.0/"
analyse_api = url + "analyze"
image_data = img
headers = {"Ocp-Apim-Subscription-Key": key,
'Content-Type': 'application/octet-stream'}
params = {'visualFeatures':'Categories,Description,Color,Objects,Faces'}
response = requests.post(
    analyse_api, headers=headers, params=params, data=image_data)
response.raise_for_status()
analysis = response.json()

//Rest of the code based on your functionality

This is how you can able to fix the error ” Python 400 client error: Bad request for URL Azure cognitive services “.

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Wrapping Up

Well, in this article, we have discussed how to fix Python 400 client error: Bad request for URL Azure cognitive services, Python-requests exceptions HTTP error 400 client error: bad request for URL. Hope this will help you to fix your issue as well !!!