Request to Flask via Curl

 

This question already has an answer here:

  • How to get POSTed json in Flask? 4 answers
  • How to POST JSON data with Curl from Terminal/Commandline to Test Spring REST? 18 answers

    • According to the get_json docs:

    [..] function will return None if the mimetype is not application/json but this can be overridden by the force parameter.

    So, either specify the mimetype of the incoming request to be application/json : 

    curl localhost:5000/post -d '{"foo": "bar"}' -H 'Content-Type: application/json'

    or force JSON decoding with force=True : 

    data = request.get_json(force=True)

    If running this on Windows ( cmd.exe , not PowerShell), you'll also need to change the quoting of your JSON data, from single quotes to double quotes: 

    curl localhost:5000/post -d "{"foo": "bar"}" -H 'Content-Type: application/json'
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