Just figured it out.  Had to convert 'None' to None. json.dumps will automatically convert None to null.   Using Python:   if new_dict['type'] == 'access':     new_dict['voiceVlan'] = None if new_dict['voiceVlan'] == 'None' else new_dict['voiceVlan'] ... View more

I do have:   'Content-Type': 'application/json',   in my script but I am having this exact same issue.  I can update the voice vlan to any integer value but I cannot clear it via the API.  I always get a return value of 200 but it does not clear the existing value. ... View more