diff --git a/Gemfile b/Gemfile
index f6445e486..85fd26a0c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,6 +4,9 @@ gem 'rails', '~> 4.2.3'
 gem 'rails-api'
 gem 'spring', :group => :development
 
+# payments
+gem 'stripe'
+
 # persistance
 gem 'pg'
 gem 'foreigner'
diff --git a/Gemfile.lock b/Gemfile.lock
index 0fcda718d..16f0d6f6e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -83,6 +83,8 @@ GEM
       rails (< 6)
     diff-lcs (1.2.5)
     docile (1.1.5)
+    domain_name (0.5.20160310)
+      unf (>= 0.0.5, < 1.0.0)
     erubis (2.7.0)
     factory_girl (4.5.0)
       activesupport (>= 3.0.0)
@@ -99,6 +101,8 @@ GEM
       activesupport (>= 3)
     hashie (3.4.2)
     highline (1.7.2)
+    http-cookie (1.0.2)
+      domain_name (~> 0.5)
     i18n (0.7.0)
     json (1.8.3)
     loofah (2.0.2)
@@ -126,6 +130,7 @@ GEM
     net-ssh (2.9.2)
     net-ssh-gateway (1.2.0)
       net-ssh (>= 2.6.5)
+    netrc (0.11.0)
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
     omniauth (1.2.2)
@@ -192,6 +197,10 @@ GEM
     redcarpet (3.3.3)
     responders (2.1.0)
       railties (>= 4.2.0, < 5)
+    rest-client (1.8.0)
+      http-cookie (>= 1.0.2, < 2.0)
+      mime-types (>= 1.16, < 3.0)
+      netrc (~> 0.7)
     rspec-core (3.3.1)
       rspec-support (~> 3.3.0)
     rspec-expectations (3.3.0)
@@ -227,12 +236,17 @@ GEM
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
+    stripe (1.41.0)
+      rest-client (~> 1.4)
     thor (0.19.1)
     thread_safe (0.3.5)
     tilt (2.0.1)
     timecop (0.7.4)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.7.2)
     warden (1.2.6)
       rack (>= 1.0)
 
@@ -274,4 +288,8 @@ DEPENDENCIES
   simplecov
   sinatra
   spring
+  stripe
   timecop
+
+BUNDLED WITH
+   1.11.2
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index 36b1aaf50..b8f3ae8e1 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -11,6 +11,7 @@ def index
   def create
     group = Group.create(group_params)
     group.add_admin(current_user)
+    group.add_customer(current_user.email)
     render json: [group]
   end
 
@@ -31,8 +32,30 @@ def update
     render json: [group]
   end
 
+  api :POST, '/groups/:id/add_card', 'Add a credit card that pays for the group'
+  def add_card
+    group = Group.find(params[:id])
+    if current_user.is_admin_for?(group)
+      group.add_card(params[:stripeEmail], params[:stripeToken])
+      render status: 200, nothing: true
+    else
+      render status: 403, nothing: true
+    end
+  end
+
+  api :POST, '/groups/:id/extend_trial', 'Extend the group trial by 30 days'
+  def extend_trial
+    group = Group.find(params[:id])
+    if current_user.is_admin_for?(group)
+      group.extend_trial()
+      render status: 200, nothing: true
+    else
+      render status: 403, nothing: true
+    end
+  end
+
   private
     def group_params
-      params.require(:group).permit(:name, :currency_code)
+      params.require(:group).permit(:name, :currency_code, :plan)
     end
 end
diff --git a/app/models/group.rb b/app/models/group.rb
index c632f4f40..0820a750a 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -16,6 +16,37 @@ def add_admin(user)
     end
   end
 
+  def add_customer(email)
+    customer = Stripe::Customer.create(
+      :description => "Customer for Group " + self.id.to_s,
+      :email => email,
+      :plan => 1
+    )
+    self.customer_id = customer.id
+    self.trial_end = Time.at(customer.subscriptions.data[0].trial_end)
+    self.plan = "paid"
+    self.save
+  end
+
+  def add_card(email, token)
+    customer = Stripe::Customer.retrieve(self.customer_id)
+    customer.source = token
+    customer.email = email
+    customer.save
+  end
+
+  def extend_trial
+    # the number of seconds in thirty days
+    thirty_days =  60 * 24 * 30
+
+    customer = Stripe::Customer.retrieve(self.customer_id)
+    sub = Stripe::Subscription.retrieve(customer.subscriptions.data[0].id)
+    sub.trial_end = sub.trial_end + thirty_days
+    sub.save 
+    self.trial_end = Time.at(sub.trial_end)
+    self.save
+  end
+
   def add_member(user)
     memberships.create!(member: user, is_admin: false)
   end
diff --git a/app/serializers/group_serializer.rb b/app/serializers/group_serializer.rb
index fde66c17c..8b2180a91 100644
--- a/app/serializers/group_serializer.rb
+++ b/app/serializers/group_serializer.rb
@@ -5,5 +5,7 @@ class GroupSerializer < ActiveModel::Serializer
              :balance,
              :currency_symbol,
              :currency_code,
-             :is_launched
+             :is_launched,
+             :plan,
+             :trial_end
 end
diff --git a/config/initializers/stripe.rb b/config/initializers/stripe.rb
new file mode 100644
index 000000000..7e4a7875f
--- /dev/null
+++ b/config/initializers/stripe.rb
@@ -0,0 +1,6 @@
+Rails.configuration.stripe = {
+  :publishable_key => ENV['STRIPE_PUBLISHABLE_KEY'],
+  :secret_key      => ENV['STRIPE_SECRET_KEY']
+}
+
+Stripe.api_key = Rails.configuration.stripe[:secret_key]
diff --git a/config/routes.rb b/config/routes.rb
index 205d4d77f..d19495594 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -24,7 +24,13 @@
       end
     end
 
-    resources :groups, only: [:index, :show, :create, :update]
+
+    resources :groups, only: [:index, :show, :create, :update] do
+      member do
+        post :add_card
+        post :extend_trial
+      end
+    end
 
     resources :comments, only: [:index, :create]
 
diff --git a/db/migrate/20160419140651_add_customer_to_group.rb b/db/migrate/20160419140651_add_customer_to_group.rb
new file mode 100644
index 000000000..2edcf27f8
--- /dev/null
+++ b/db/migrate/20160419140651_add_customer_to_group.rb
@@ -0,0 +1,7 @@
+class AddCustomerToGroup < ActiveRecord::Migration
+  def change
+   add_column :groups, :customer_id, :string 
+   add_column :groups, :trial_end, :datetime 
+   add_column :groups, :plan, :string
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index d792c77f3..1dcf9bcf9 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160415193307) do
+ActiveRecord::Schema.define(version: 20160419140651) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -83,12 +83,32 @@
 
   add_index "delayed_jobs", ["priority", "run_at"], name: "delayed_jobs_priority", using: :btree
 
+  create_table "events", force: :cascade do |t|
+    t.string   "kind",           limit: 255
+    t.integer  "eventable_id"
+    t.string   "eventable_type"
+    t.integer  "user_id"
+    t.integer  "group_id"
+    t.integer  "sequence_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  add_index "events", ["eventable_type", "eventable_id"], name: "index_events_on_eventable_type_and_eventable_id", using: :btree
+  add_index "events", ["group_id", "sequence_id"], name: "index_events_on_group_id_and_sequence_id", unique: true, using: :btree
+  add_index "events", ["group_id"], name: "index_events_on_group_id", using: :btree
+  add_index "events", ["sequence_id"], name: "index_events_on_sequence_id", using: :btree
+  add_index "events", ["user_id"], name: "index_events_on_user_id", using: :btree
+
   create_table "groups", force: :cascade do |t|
     t.string   "name"
     t.datetime "created_at"
     t.datetime "updated_at"
     t.string   "currency_symbol", default: "$"
     t.string   "currency_code",   default: "USD"
+    t.string   "customer_id"
+    t.datetime "trial_end"
+    t.string   "plan"
   end
 
   create_table "memberships", force: :cascade do |t|
@@ -107,10 +127,10 @@
 
   create_table "subscription_trackers", force: :cascade do |t|
     t.integer  "user_id",                                             null: false
-    t.datetime "created_at",                                          null: false
-    t.datetime "updated_at",                                          null: false
     t.boolean  "subscribed_to_email_notifications", default: false
     t.string   "email_digest_delivery_frequency",   default: "never"
+    t.datetime "created_at",                                          null: false
+    t.datetime "updated_at",                                          null: false
   end
 
   add_index "subscription_trackers", ["user_id"], name: "index_subscription_trackers_on_user_id", using: :btree
@@ -142,4 +162,14 @@
   add_index "users", ["email"], name: "index_users_on_email", unique: true, using: :btree
   add_index "users", ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true, using: :btree
 
+  create_table "webhooks", force: :cascade do |t|
+    t.integer "hookable_id"
+    t.string  "hookable_type"
+    t.string  "kind",                       null: false
+    t.string  "uri",                        null: false
+    t.text    "event_types",   default: [],              array: true
+  end
+
+  add_index "webhooks", ["hookable_type", "hookable_id"], name: "index_webhooks_on_hookable_type_and_hookable_id", using: :btree
+
 end