Yammer Client

GemVersion Build Status Coverage Status Dependency Status

A Yammer Ruby gem


This README provides only a basic overview of how to use this gem.For more information about the API endpoints and helper methods available, look at the rdoc documentation.



Add this line to your application's Gemfile:

gem 'yammer-client'

And then execute:

$ bundle

Or install it yourself as:

$ gem install yammer-client


The Yammer API requires authentication for access to certain endpoints. Below are the basic steps to get this done.

Register your application

Setup a Yammer client application as described in Build your first Yammer App

Obtaining an access token

  1. Construct the following URL using the client_id you received https://www.yammer.com/dialog/oauth?client_id=[:client_id]

  2. Have your users follow the URL you constructed above to allow your application to access their data

  3. After allowing access, your users will be redirected to your callback URL http://[:redirect_uri]?code=[:code]

  4. Exchange the code for an access token by making an HTTP GET request to https://www.yammer.com/oauth2/access_token.json?client_id=[:client_id]&client_secret=[:client_secret]&code=[:code]

  5. The authorization server will respond with an access token

"access_token": {
  "view_subscriptions": true,
  "expires_at": null,
  authorized_at": "2011/04/06 16:25:46 +0000",
  "modify_subscriptions": true,
  "modify_messages": true,
  "network_permalink": "yammer-inc.com",
  "view_members": true,
  "view_tags": true,
  "network_id": 155465488,
  "user_id": 1014216,
  "view_groups": true,
  "token": "abcdefghijklmn",
  "network_name": "Yammer",
  "view_messages": true,
  "created_at": "2011/04/06 16:25:46 +0000"

Configuring yammer-client

To view the current state of the client use the options method

require 'yammer'

#> {:site_url=>"https://www.yammer.com", :client_id=>nil, :client_secret=>nil, :access_token=>nil, :http_adapter=>Yammer::Connection, :connection_options=>{:max_redirects=>5, :use_ssl=>true}} 

You may change this configuration by using the configure method

Yammer.configure do |c|
  c.client_id = '[client_id]'
  c.client_secret = '[client_secret]'
  c.token = '[access_token]'
#> Yammer 

At this point, your new settings will take effect

#> {:site_url=>"https://www.yammer.com", :client_id=>'[client_id]', :client_secret=>'[client_secret]', :access_token=>'[access_token]', :http_adapter=>Yammer::Connection, :connection_options=>{ :max_redirects=>5, :use_ssl=>true }} 


yammer-client provides two ways to access Yammer's API. One of these ways is by using HTTP helper methods on and instance of Yammer::Client. The other way is using methods on the object models that come bundled with this gem.

Using the client

  1. Create an instance of the Yammer client
yamr = Yammer::Client.new(
        :client_id     => 'vAbMcg9qjgKsp4jjpm1pw',
        :client_secret => 'Wn0kp7Lu0TCY4GtZWkmSsqGErg10DmMADyjWkf2U',
        :access_token  => 'HqsKG3ka9Uls2DxahNi78A'
  1. Call methods on the instance:


find a user by email

#<Yammer::ApiResponse:0x007fb949434ec8 @headers=#<Net::HTTPOK 200 OK readbody=true>, @body="[JSON Response]", @code=200>

find a user by user id

#<Yammer::ApiResponse:0x007fb949434ec8 @headers=#<Net::HTTPOK 200 OK readbody=true>, @body="[JSON Response]", @code=200>

get the current user

#<Yammer::ApiResponse:0x007fb949434ec8 @headers=#<Net::HTTPOK 200 OK readbody=true>, @body="[JSON Response]", @code=200>


post a update as the current user

yamr.create_message(:body => 'status update')
#<Yammer::ApiResponse:0x007fb949434ec8 @headers=#<Net::HTTPOK 200 OK readbody=true>, @body="[JSON Response]", @code=200>

send a private message to another Yammer user

yamr.create_message(:body => 'private message', :direct_to_id => 24)
#<Yammer::ApiResponse:0x007fb949434ec8 @headers=#<Net::HTTPOK 200 OK readbody=true>, @body="[JSON Response]", @code=200>

send a message with an Open Graph Object as an attachment

yamr.create_message(:body => 'here is my open graph object', og_url: "https://www.yammer.com/example/graph/31415926")
#<Yammer::ApiResponse:0x007fb949434ec8 @headers=#<Net::HTTPOK 200 OK readbody=true>, @body="[JSON Response]", @code=200>


search for a term within the context of current user

yamr.search(:search => 'thekev', :model_types => 'users;groups')
#<Yammer::ApiResponse:0x007fb949434ec8 @headers=#<Net::HTTPOK 200 OK readbody=true>, @body="[JSON Response]", @code=200>


fetch a thread with a given id

#<Yammer::ApiResponse:0x007fb949434ec8 @headers=#<Net::HTTPOK 200 OK readbody=true>, @body="[JSON Response]", @code=200>

Using the object models (Experimental)

The object model is an abstraction that makes it easy to manipulate the JSON data return when accessing Yammer's API. Each model has accessor methods for all keys contained in the JSON response for a given model type.


get the current user

u = Yammer::User.current
#> <Yammer::User:0x007f9f4b0c39c8>

#> 'Kevin Mutyaba'

u.update!(:job_title => 'k0dR')


fetch a thread with a given id

t = Yammer::Thread.get(3)

View the participants in the thread

parts = t.participants
#> [{:type=>"user", :id=>18}, {:type=>"user", :id=>64}]

View the participants in the thread as user object models

peepl = t.people
#> [#<Yammer::User:0x007f9f4c086630 @modified_attributes={}, @attrs={}, @new_record=false, @id=18>, #<Yammer::User:0x007f9f4c086568 @modified_attributes={}, @attrs={}, @new_record=false, @id=64>] 

Object models are lazyly loaded. Calling an accessor on a model will hydrate it

#> #<Yammer::User:0x007f9f4c086568 @modified_attributes={}, @attrs={}, @new_record=false, @id=18> 

#> 'thekev'

#=> #<Yammer::User:0x007f9f4c086568 @modified_attributes={}, @attrs={:last_name=>"Mutyaba", :network_id=>1, :first_name=>"Kevin", :id => 18,  :permalink=>"thekev" }, @network_id=1, @first_name="Kev", @full_name="Tiaba", @permalink="thekev", @id=18 > 

Supported Ruby Versions

This library aims to support and is tested against the following Ruby version:

  • Ruby 1.8.7
  • Ruby 1.9.2
  • Ruby 1.9.3
  • Ruby 2.0.0

This library may inadvertently work (or seem to work) on other Ruby implementations, however support will only be provided for the versions listed above.


Copyright (c) 2013 Kevin Mutyaba See LICENSE for details.