Скачать или смотреть How to Successfully Make POST Requests with Python: Troubleshooting 401 Errors

Learn how to resolve `POST` request errors in Python when interacting with APIs. This guide dives into troubleshooting and effective coding practices.
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How to Successfully Make POST Requests with Python: Troubleshooting 401 Errors

Are you trying to perform a POST request using Python, but unexpectedly receiving an error message? If you have encountered a 401 error saying "Invalid token," you are not alone. This guide will walk you through understanding the issue and how to resolve it effectively.

Understanding the Problem

When you’re working with APIs, it’s common to encounter issues that can cause your requests to fail. In this case, the error message you are receiving indicates that there's something wrong with the authentication token being passed in the request. The token is crucial as it verifies your identity and permission to access the resources.

Example Scenario

For instance, consider you are trying to post a new configuration using this sample POST request in Python:

[[See Video to Reveal this Text or Code Snippet]]

Even though the same token works perfectly with a GET request, it results in an error when used with POST.

Analyzing the Cause

The issue arises from how you are sending data in your POST request. According to the Swagger documentation you provided, the parameters for the POST request need to be included as query parameters instead of sending them as a JSON body in the request.

The Significant Details

Based on the documentation, here are the important aspects to remember:

Token: It must be sent as a query parameter.

Configuration Name: This also needs to be sent as a query parameter.

Configuration Parameters: They should be passed as an array of strings in the query parameters.

The Solution

Instead of sending your parameters in the body of the request, you will send them as query parameters. Here’s how to adjust your code:

Corrected POST Request Code

You should modify your original request like this:

[[See Video to Reveal this Text or Code Snippet]]

Explanation of Changes

params=body: By changing data=body to params=body, you instruct the requests library to encode the parameters into the URL as query parameters. This aligns with the expectations set out by the Swagger documentation.

Conclusion

By ensuring that you are sending your parameters in the correct format, you can successfully execute your POST requests without encountering a 401 error. Always refer to the API documentation for the proper method of sending your data, as it varies between different services and protocols.

Now you should be able to post a new configuration without issues. Happy coding!