Why Are My Go HTTP POST Requests Failing, and How Can I Fix Them?

HTTP POST Requests in Go: Troubleshooting and Code Solution

In a recent attempt to perform a POST request in Go, users reported encountering issues with form submission. While experimenting with various approaches, such as httputil testing, users faced difficulties in completing the request successfully.

The solution revolves around the proper placement of the form data. Instead of utilizing the PostForm field in the request, the correct method involves setting the form data as part of the request body. By modifying the code to utilize strings.NewReader(form.Encode()) to create the request body, the request can be submitted effectively.

To elaborate, the code provided in the error message:

req, err := http.NewRequest("POST", APIURL, nil)

should be modified to include a request body containing the relevant form field values:

req, err := http.NewRequest("POST", url, strings.NewReader(form.Encode()))

This modification ensures that the form data is transmitted as part of the POST request's body, resolving the issue experienced.

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