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Communico Client API authentication and request example 

1. Introduction

Communico provides access to client data via a suite of APIs. You will need the client’s keyword and a valid access token for all requests.

2. Authentication

The Communico API uses OAuth 2.0 for authentication. To generate a valid authorization header you will need an API key and secret. If you have not been provided with authentication credentials please contact

3. Access Token

An access token can be generated by making a request to with a valid authorization header.

  • Combine your client key and client secret like this: clientKey:clientSecret.
  • Use your languages libraries to encode the combined secret and key using a Base64 algorithm.
  • Apply the string to the 'Authorization' header like this: Basic [Base64 string] (see the example below).

POST /token HTTP/1.1


Authorization: Basic HtdjYy3Se2E3Ddf845j4TFh44ktE

Content-Type: application/x-www-form-urlencoded;charset=UTF-8



If your credentials are valid, an access token will be returned as part of the response:







You can extract the access_token and token_type values from this response and then include them in Communico API calls as part of the "Authorization" HTTP header, as shown in the example below:

GET /v3/attend/events?startDate=2016-11-01&endDate=2016-11-31&start=0&limit=10&status=published


Authorization: Bearer e29d7da8ac0279a2f186859e6dc0c3ba9d7bf0d8

User-Agent: Your App Here

4. Attend request example for events

This is an example of making a request to the the Communico Client API to get a list of events from the Communico database.

GET /v3/attend/events?startDate=2016-11-01&endDate=2016-11-31&start=0&limit=10&status=published


Authorization: Bearer {OAuth token}

Returned is a JSON array of events from the given time period.

201 Created

Pragma: no-cache

X-Frame-Options: deny

Content-Length: 506

Cache-Control: no-cache

Content-Type: application/json; charset=utf-8

Date: Tue, 12 Dec 2015 14:32:24 GMT

Expires: -1

Location: /v3/attend/events?startDate=2016-11-01&endDate=2016-11-31&start=0&limit=10&status=published


"status": "success",

"code": 200,
"data": {

"total": 3,
"start": 0,
"limit": 10,
"startDate": "2016-11-01",
"endDate": "2016-11-31",
"entries": [


"eventId": 8890,
"recurringId": 3565,
"status": "published",
"title": "Testing checkbox questions",
"shortDescription": "Agree",
"description": "",
"eventStart": "2016-11-10 09:00:00",
"eventEnd": "2016-11-10 10:00:00",
"locationId": 342,
"locationName": "Falltown",
"roomId": 31,
"roomName": "Meeting room A"