class Records(Resource):
    parser = reqparse.RequestParser()
parser.add_argument('record_date', type=str)
parser.add_argument('records', type=str)
parser.add_argument('rating', type=str)
parser.add_argument('notes', type=str)

def post(self):
    args = parser.parse_args()
records = args['records']
return records, 201
How to parse the POST argument to a REST service?