POST request gets blocked on Python backend. GET request works fine-CodePudding

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You can see that the chrome default setting were not even showing me anything related to the response, just showing a 500 code error.

I copied the localhost link and port and pasted them in my other CORS free chrome window The other CORS free chrome window showed helpful information:

It was a simple JSON decoding error! I went back to my flutter code and I changed the http post request, adding a jsonEncode function on the post body:

http.Response response = await http.post(Uri.parse(url), body:jsonEncode(data), headers: header);

Now the post request returns a correct response on the default chrome settings. It was just this CORS blocking the response completely that made me handi-capped.