Create and update a response.

update_reponse.py

import requests  # using http://docs.python-requests.org to make HTTP requests

API_KEY = XXXXXXXXXXXX  # your credentials
PASSWORD = XXXXXXXXXXX
ENDPOINT = 'https://app.fluidsurveys.com/api/v2/surveys/209179/responses/'

auth = requests.auth.HTTPBasicAuth(API_KEY, PASSWORD)
headers = {'Content-Length': '0'}  # explictly state Content-Length for empty requests POST

r.get(ENDPOINT, auth=auth)  # get current responses
r.json

#{u'count': 1,
# u'id': u'209179',
# u'responses': [{u'EDuzkU9wxC': u'',
#   u'Q4slQNgep3': [],
#   u'X1qx3SM986': u'',
#   u'_completed': 0,
#   u'_created_at': u'2013-07-27T20:07:22-04:00',
#   u'_get_variables': u'IMPORTED&',
#   u'_id': 23753188,
#   u'_ip_address': u'0.0.0.0',
#   u'_key': u'815608c6f7a3daa2aff58b11323d7abb8926f5cd',
#   u'_language': u'',
#   u'_pagepath': u'',
#   u'_updated_at': u'2013-07-27T20:07:22-04:00',
#   u'_weighted_score': u'',
#   u'aSlpuwAveF': [None, None],
#   u'g5V6sF5EDf': [None, None],
#   u'veBf9qAUqP': [None, None]}],
# u'start': 0,
# u'total': 1}

r = requests.post(ENDPOINT, headers=headers, auth=auth)  #create a new response
r.json
#{u'id': 23865955,
# u'key': u'd4f21ee8151d662348f4e2901bae806d071842eb',
# u'success': True,
# u'url': u'http://app.fluidsurveys.com/surveys/marius-constantin/testsurvey/d4f21ee8151d662348f4e2901bae806d071842eb/'}

data = {'_key': 'd4f21ee8151d662348f4e2901bae806d071842eb', 'X1qx3SM986': 'Hello World'}
r = requests.post(ENDPOINT, auth=auth, data=data)  # update the response we just made
r.json
#{u'id': 23865955,
# u'key': u'd4f21ee8151d662348f4e2901bae806d071842eb',
# u'success': True,
# u'url': u'http://app.fluidsurveys.com/surveys/marius-constantin/testsurvey/d4f21ee8151d662348f4e2901bae806d071842eb/'}

r.get(ENDPOINT, auth=auth)  # check current responses to see if our update worked
r.json
#{u'count': 2,
# ...
#   u'X1qx3SM986': u'Hello World',
# ...
# u'total': 2}