diff --git a/Gemfile b/Gemfile
index da99c923..6d870806 100644
--- a/Gemfile
+++ b/Gemfile
@@ -46,6 +46,7 @@ group :test do
   gem 'factory_girl',  '~> 2.4.0'
   gem 'mocha',         '~> 0.12'
   gem 'database_cleaner', '~> 0.8.0'
+  gem 'timecop',       '~> 0.8.0'
 end
 
 group :development do
diff --git a/Gemfile.lock b/Gemfile.lock
index d038c01b..f0c2b54b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,7 +73,7 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-migrations.git
-  revision: fcf6eea3e3122a7cbb857826db835de69974c54d
+  revision: 3f6bb84800b0222ceba95a4b1368969eb5ede8e0
   specs:
     travis-migrations (0.0.1)
 
@@ -358,6 +358,7 @@ GEM
     thor (0.19.1)
     thread_safe (0.3.5)
     tilt (1.4.1)
+    timecop (0.8.0)
     timers (4.0.1)
       hitimes
     tool (0.2.3)
@@ -414,6 +415,7 @@ DEPENDENCIES
   sinatra-contrib
   skylight (~> 0.6.0.beta.1)
   stackprof
+  timecop (~> 0.8.0)
   travis-amqp!
   travis-api!
   travis-config (~> 0.1.0)
diff --git a/lib/travis/api/v3/access_control/generic.rb b/lib/travis/api/v3/access_control/generic.rb
index 048ff7ec..0344b35b 100644
--- a/lib/travis/api/v3/access_control/generic.rb
+++ b/lib/travis/api/v3/access_control/generic.rb
@@ -59,6 +59,14 @@ module Travis::API::V3
       visible? branch.repository
     end
 
+    def cron_visible?(cron)
+      Travis::Features.owner_active?(:cron, cron.branch.repository.owner) and visible? cron.branch.repository
+    end
+
+    def cron_writable?(cron)
+      Travis::Features.owner_active?(:cron, cron.branch.repository.owner) and writable? cron.branch.repository
+    end
+
     def job_visible?(job)
       visible? job.repository
     end
diff --git a/lib/travis/api/v3/models/branch.rb b/lib/travis/api/v3/models/branch.rb
index df66788e..147a8bfe 100644
--- a/lib/travis/api/v3/models/branch.rb
+++ b/lib/travis/api/v3/models/branch.rb
@@ -4,6 +4,7 @@ module Travis::API::V3
     belongs_to :last_build, class_name: 'Travis::API::V3::Models::Build'.freeze
     has_many   :builds,  foreign_key: [:repository_id, :branch], primary_key: [:repository_id, :name], order: 'builds.id DESC'.freeze, conditions: { event_type: 'push' }
     has_many   :commits, foreign_key: [:repository_id, :branch], primary_key: [:repository_id, :name], order: 'commits.id DESC'.freeze
+    has_one    :cron,   dependent: :delete
 
     def default_branch
       name == repository.default_branch_name
diff --git a/lib/travis/api/v3/models/cron.rb b/lib/travis/api/v3/models/cron.rb
new file mode 100644
index 00000000..68f664f2
--- /dev/null
+++ b/lib/travis/api/v3/models/cron.rb
@@ -0,0 +1,75 @@
+module Travis::API::V3
+  class Models::Cron < Model
+
+    belongs_to :branch
+
+    LastBuild = -1
+    ThisBuild = 0
+    NextBuild = 1
+
+    def next_enqueuing
+      if disable_by_build && last_non_cron_build_date > planned_time(LastBuild)
+        planned_time(NextBuild)
+      elsif last_cron_build_date >= planned_time(LastBuild)
+        planned_time(ThisBuild)
+      else
+        Time.now
+      end
+    end
+
+    def planned_time(in_builds = ThisBuild)
+      case interval
+      when 'daily'
+        planned_time_daily(in_builds)
+      when 'weekly'
+        planned_time_weekly(in_builds)
+      when 'monthly'
+        planned_time_monthly(in_builds)
+      end
+    end
+
+    def planned_time_daily(in_builds)
+      now = DateTime.now
+      build_today = DateTime.new(now.year, now.month, now.day, created_at.hour)
+      return build_today + 1 + in_builds if (now > build_today)
+      build_today + in_builds
+    end
+
+    def planned_time_weekly(in_builds)
+      now = DateTime.now
+      build_today = DateTime.new(now.year, now.month, now.day, created_at.hour)
+      next_time = build_today + ((created_at.wday - now.wday) % 7)
+      return build_today + 7 * (1 + in_builds) if (now > next_time)
+      next_time + 7 * in_builds
+    end
+
+    def planned_time_monthly(in_builds)
+      now = DateTime.now
+      created = DateTime.new(created_at.year, created_at.month, created_at.day, created_at.hour)
+      month_since_creation = (now.year * 12 + now.month) - (created_at.year * 12 + created_at.month)
+      this_month = created >> month_since_creation
+      return created >> (month_since_creation + 1 + in_builds) if (now > this_month)
+      created >> (month_since_creation + in_builds)
+    end
+
+    def last_cron_build_date
+      last_cron_build = Models::Build.where(
+          :repository_id => branch.repository.id,
+          :branch => branch.name,
+          :event_type => 'cron'
+      ).order("id DESC").first
+      return last_cron_build.created_at unless last_cron_build.nil?
+      Time.at(0)
+    end
+
+    def last_non_cron_build_date
+      last_build = Models::Build.where(
+          :repository_id => branch.repository.id,
+          :branch => branch.name
+      ).where(['event_type NOT IN (?)', ['cron']]).order("id DESC").first
+      return last_build.created_at unless last_build.nil?
+      Time.at(0)
+    end
+
+  end
+end
diff --git a/lib/travis/api/v3/permissions/cron.rb b/lib/travis/api/v3/permissions/cron.rb
new file mode 100644
index 00000000..c94b5a70
--- /dev/null
+++ b/lib/travis/api/v3/permissions/cron.rb
@@ -0,0 +1,13 @@
+require 'travis/api/v3/permissions/generic'
+
+module Travis::API::V3
+  class Permissions::Cron < Permissions::Generic
+    def delete?
+      write? and Travis::Features.owner_active?(:cron, object.branch.repository.owner)
+    end
+
+    def start?
+      Travis::Features.owner_active?(:cron, object.branch.repository.owner)
+    end
+  end
+end
diff --git a/lib/travis/api/v3/permissions/repository.rb b/lib/travis/api/v3/permissions/repository.rb
index 5cfbf5bd..81fb91a1 100644
--- a/lib/travis/api/v3/permissions/repository.rb
+++ b/lib/travis/api/v3/permissions/repository.rb
@@ -21,5 +21,9 @@ module Travis::API::V3
     def create_request?
       write?
     end
+
+    def create_cron?
+      Travis::Features.owner_active?(:cron, object.owner) and write?
+    end
   end
 end
diff --git a/lib/travis/api/v3/queries/cron.rb b/lib/travis/api/v3/queries/cron.rb
new file mode 100644
index 00000000..43d3cb5f
--- /dev/null
+++ b/lib/travis/api/v3/queries/cron.rb
@@ -0,0 +1,21 @@
+module Travis::API::V3
+  class Queries::Cron < Query
+    params :id
+
+    sortable_by :id
+
+    def find
+      return Models::Cron.find_by_id(id) if id
+      raise WrongParams, 'missing cron.id'.freeze
+    end
+
+    def find_for_branch(branch)
+      branch.cron
+    end
+
+    def create(branch, interval, disable_by_build)
+      branch.cron.destroy unless branch.cron.nil?
+      Models::Cron.create(branch: branch, interval: interval, disable_by_build: disable_by_build)
+    end
+  end
+end
diff --git a/lib/travis/api/v3/queries/crons.rb b/lib/travis/api/v3/queries/crons.rb
new file mode 100644
index 00000000..aec65134
--- /dev/null
+++ b/lib/travis/api/v3/queries/crons.rb
@@ -0,0 +1,35 @@
+module Travis::API::V3
+  class Queries::Crons < Query
+
+    def find(repository)
+      Models::Cron.where(:branch_id => repository.branches)
+    end
+
+    def start_all()
+      Models::Cron.all.select do |cron|
+        start(cron) if cron.next_enqueuing <= Time.now
+      end
+    end
+
+    def start(cron)
+      branch = cron.branch
+      raise ServerError, 'repository does not have a github_id'.freeze unless branch.repository.github_id
+      unless branch.exists_on_github
+        cron.destroy
+        return false
+      end
+
+      user_id = branch.repository.users.detect { |u| u.github_oauth_token }.id
+
+      payload = {
+        repository: { id: branch.repository.github_id, owner_name: branch.repository.owner_name, name: branch.repository.name },
+        branch:     branch.name,
+        user:       { id: user_id }
+      }
+
+      class_name, queue = Query.sidekiq_queue(:build_request)
+      ::Sidekiq::Client.push('queue'.freeze => queue, 'class'.freeze => class_name, 'args'.freeze => [{type: 'cron'.freeze, payload: JSON.dump(payload), credentials: {}}])
+      true
+    end
+  end
+end
diff --git a/lib/travis/api/v3/renderer.rb b/lib/travis/api/v3/renderer.rb
index 2ee8ca15..637f937d 100644
--- a/lib/travis/api/v3/renderer.rb
+++ b/lib/travis/api/v3/renderer.rb
@@ -45,7 +45,7 @@ module Travis::API::V3
       when Hash                   then value.map { |k, v| [k, render_value(v, **options)] }.to_h
       when Array                  then value.map { |v   | render_value(v, **options)      }
       when *PRIMITIVE             then value
-      when Time                   then value.strftime('%Y-%m-%dT%H:%M:%SZ')
+      when Time, DateTime         then value.strftime('%Y-%m-%dT%H:%M:%SZ')
       when Model                  then render_model(value, **options)
       when ActiveRecord::Relation then render_value(value.to_a, **options)
       when ActiveRecord::Associations::CollectionProxy then render_value(value.to_a, **options)
diff --git a/lib/travis/api/v3/renderer/cron.rb b/lib/travis/api/v3/renderer/cron.rb
new file mode 100644
index 00000000..fdad9263
--- /dev/null
+++ b/lib/travis/api/v3/renderer/cron.rb
@@ -0,0 +1,13 @@
+require 'travis/api/v3/renderer/model_renderer'
+
+module Travis::API::V3
+  class Renderer::Cron < Renderer::ModelRenderer
+    representation(:minimal,  :id)
+    representation(:standard, :id, :repository, :branch, :interval, :disable_by_build, :next_enqueuing)
+
+    def repository
+      model.branch.repository
+    end
+
+  end
+end
diff --git a/lib/travis/api/v3/renderer/crons.rb b/lib/travis/api/v3/renderer/crons.rb
new file mode 100644
index 00000000..89215f16
--- /dev/null
+++ b/lib/travis/api/v3/renderer/crons.rb
@@ -0,0 +1,6 @@
+module Travis::API::V3
+  class Renderer::Crons < Renderer::CollectionRenderer
+    type            :crons
+    collection_key  :crons
+  end
+end
diff --git a/lib/travis/api/v3/routes.rb b/lib/travis/api/v3/routes.rb
index c515ef56..d22edce9 100644
--- a/lib/travis/api/v3/routes.rb
+++ b/lib/travis/api/v3/routes.rb
@@ -27,6 +27,14 @@ module Travis::API::V3
       end
     end
 
+
+    resource :cron do
+      capture id: :digit
+      route '/cron/{cron.id}'
+      get :find
+      delete :delete
+    end
+
     resource :job do
       capture id: :digit
       route '/job/{job.id}'
@@ -81,6 +89,12 @@ module Travis::API::V3
       resource :branch do
         route '/branch/{branch.name}'
         get :find
+
+        resource :cron do
+          route '/cron'
+          get  :for_branch
+          post :create
+        end
       end
 
       resource :branches do
@@ -93,6 +107,11 @@ module Travis::API::V3
         get  :find
       end
 
+      resource :crons do
+        route '/crons'
+        get  :for_repository
+      end
+
       resource :requests do
         route '/requests'
         get  :find
diff --git a/lib/travis/api/v3/routes/dsl.rb b/lib/travis/api/v3/routes/dsl.rb
index e71723d7..9a98ada0 100644
--- a/lib/travis/api/v3/routes/dsl.rb
+++ b/lib/travis/api/v3/routes/dsl.rb
@@ -60,6 +60,10 @@ module Travis::API::V3
       current_resource.add_service('POST'.freeze, *args)
     end
 
+    def delete(*args)
+      current_resource.add_service('DELETE'.freeze, *args)
+    end
+
     def draw_routes
       resources.each do |resource|
         prefix = resource.route
diff --git a/lib/travis/api/v3/services.rb b/lib/travis/api/v3/services.rb
index 985e9d4e..637ea337 100644
--- a/lib/travis/api/v3/services.rb
+++ b/lib/travis/api/v3/services.rb
@@ -9,6 +9,8 @@ module Travis::API::V3
     Broadcasts    = Module.new { extend Services }
     Build         = Module.new { extend Services }
     Builds        = Module.new { extend Services }
+    Cron          = Module.new { extend Services }
+    Crons         = Module.new { extend Services }
     Job           = Module.new { extend Services }
     Jobs          = Module.new { extend Services }
     Lint          = Module.new { extend Services }
diff --git a/lib/travis/api/v3/services/cron/create.rb b/lib/travis/api/v3/services/cron/create.rb
new file mode 100644
index 00000000..dcbfffb8
--- /dev/null
+++ b/lib/travis/api/v3/services/cron/create.rb
@@ -0,0 +1,18 @@
+module Travis::API::V3
+  class Services::Cron::Create < Service
+    result_type :cron
+    params :interval, :disable_by_build
+
+    def run!
+      raise LoginRequired unless access_control.logged_in? or access_control.full_access?
+      raise NotFound unless repository = find(:repository)
+      raise NotFound unless branch = find(:branch, repository)
+      raise Error.new('Crons can only be set up for branches existing on GitHub!', status: 422) unless branch.exists_on_github
+      raise Error.new('Invalid value for interval. Interval must be "daily", "weekly" or "monthly"!', status: 422) unless ["daily", "weekly", "monthly"].include?(params["interval"])
+      access_control.permissions(repository).create_cron!
+      access_control.permissions(branch.cron).delete! if branch.cron
+      query.create(branch, params["interval"], params["disable_by_build"] ? params["disable_by_build"] : false)
+    end
+
+  end
+end
diff --git a/lib/travis/api/v3/services/cron/delete.rb b/lib/travis/api/v3/services/cron/delete.rb
new file mode 100644
index 00000000..c5d9287d
--- /dev/null
+++ b/lib/travis/api/v3/services/cron/delete.rb
@@ -0,0 +1,12 @@
+module Travis::API::V3
+  class Services::Cron::Delete < Service
+    #params :id
+
+    def run!
+      raise LoginRequired unless access_control.logged_in? or access_control.full_access?
+      cron = find
+      access_control.permissions(cron).delete!
+      cron.destroy
+    end
+  end
+end
diff --git a/lib/travis/api/v3/services/cron/find.rb b/lib/travis/api/v3/services/cron/find.rb
new file mode 100644
index 00000000..6a191d7a
--- /dev/null
+++ b/lib/travis/api/v3/services/cron/find.rb
@@ -0,0 +1,9 @@
+module Travis::API::V3
+  class Services::Cron::Find < Service
+    #params :id
+
+    def run!
+      find
+    end
+  end
+end
diff --git a/lib/travis/api/v3/services/cron/for_branch.rb b/lib/travis/api/v3/services/cron/for_branch.rb
new file mode 100644
index 00000000..cdbc24db
--- /dev/null
+++ b/lib/travis/api/v3/services/cron/for_branch.rb
@@ -0,0 +1,10 @@
+module Travis::API::V3
+  class Services::Cron::ForBranch < Service
+
+    def run!
+      repo = find(:repository)
+      raise InsufficientAccess unless Travis::Features.owner_active?(:cron, repo.owner)
+      query.find_for_branch(find(:branch, repo))
+    end
+  end
+end
diff --git a/lib/travis/api/v3/services/crons/for_repository.rb b/lib/travis/api/v3/services/crons/for_repository.rb
new file mode 100644
index 00000000..97fd4a81
--- /dev/null
+++ b/lib/travis/api/v3/services/crons/for_repository.rb
@@ -0,0 +1,11 @@
+module Travis::API::V3
+  class Services::Crons::ForRepository < Service
+    paginate
+
+    def run!
+      repo = find(:repository)
+      raise InsufficientAccess unless Travis::Features.owner_active?(:cron, repo.owner)
+      query.find(repo)
+    end
+  end
+end
diff --git a/lib/travis/api/v3/services/crons/start.rb b/lib/travis/api/v3/services/crons/start.rb
new file mode 100644
index 00000000..104d43f5
--- /dev/null
+++ b/lib/travis/api/v3/services/crons/start.rb
@@ -0,0 +1,9 @@
+module Travis::API::V3
+  class Services::Crons::Start < Service
+
+    def run!
+      query.start_all()
+    end
+
+  end
+end
diff --git a/spec/v3/models/cron_spec.rb b/spec/v3/models/cron_spec.rb
new file mode 100644
index 00000000..0ce18c94
--- /dev/null
+++ b/spec/v3/models/cron_spec.rb
@@ -0,0 +1,231 @@
+require 'spec_helper'
+require 'timecop'
+
+describe Travis::API::V3::Models::Cron do
+  let(:repo) { Travis::API::V3::Models::Repository.where(owner_name: 'svenfuchs', name: 'minimal').first }
+  let(:branch) { Travis::API::V3::Models::Branch.create(repository: repo, name: 'cron test') }
+
+  describe "next build time is calculated correctly on year changes" do
+
+    before do
+      Timecop.travel(DateTime.new(2015, 12, 31, 16))
+    end
+
+    after do
+      Timecop.return
+    end
+
+    it "for daily builds" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'daily', disable_by_build: false)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      expect(cron.next_enqueuing).to be == DateTime.new(2016, 1, 1, 16)
+      build.destroy
+      cron.destroy
+    end
+
+    it "for weekly builds" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'weekly', disable_by_build: false)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      expect(cron.next_enqueuing).to be == DateTime.new(2016, 1, 7, 16)
+      build.destroy
+      cron.destroy
+    end
+
+    it "for monthly builds" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'monthly', disable_by_build: false)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      expect(cron.next_enqueuing).to be == DateTime.new(2016, 1, 31, 16)
+      build.destroy
+      cron.destroy
+    end
+
+  end
+
+  describe "push build is ignored if disable by build is false" do
+
+    before do
+      Timecop.travel(DateTime.new(2015, 12, 31, 16))
+    end
+
+    after do
+      Timecop.return
+    end
+
+    it "for daily builds" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'daily', disable_by_build: false)
+      cron_build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      push_build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'push')
+      expect(cron.next_enqueuing).to be == DateTime.new(2016, 1, 1, 16)
+      cron_build.destroy
+      push_build.destroy
+      cron.destroy
+    end
+
+    it "for weekly builds" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'weekly', disable_by_build: false)
+      cron_build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      push_build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'push')
+      expect(cron.next_enqueuing).to be == DateTime.new(2016, 1, 7, 16)
+      cron_build.destroy
+      push_build.destroy
+      cron.destroy
+    end
+
+    it "for monthly builds" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'monthly', disable_by_build: false)
+      cron_build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      push_build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'push')
+      expect(cron.next_enqueuing).to be == DateTime.new(2016, 1, 31, 16)
+      cron_build.destroy
+      push_build.destroy
+      cron.destroy
+    end
+
+  end
+
+  describe "disable by build works with build" do
+
+    before do
+      Timecop.travel(DateTime.new(2015, 12, 31, 16))
+    end
+
+    after do
+      Timecop.return
+    end
+
+    it "for daily builds" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'daily', disable_by_build: true)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'push')
+      expect(cron.next_enqueuing).to be == DateTime.new(2016, 1, 2, 16)
+      build.destroy
+      cron.destroy
+    end
+
+    it "for weekly builds" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'weekly', disable_by_build: true)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'push')
+      expect(cron.next_enqueuing).to be == DateTime.new(2016, 1, 14, 16)
+      build.destroy
+      cron.destroy
+    end
+
+    it "for monthly builds" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'monthly', disable_by_build: true)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'push')
+      expect(cron.next_enqueuing).to be == DateTime.new(2016, 2, 29, 16) # it's a leap year :-D
+      build.destroy
+      cron.destroy
+    end
+
+  end
+
+  describe "disable by build works without build" do
+
+    before do
+      Timecop.travel(DateTime.new(2015, 12, 31, 16))
+    end
+
+    after do
+      Timecop.return
+    end
+
+    it "for daily builds" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'daily', disable_by_build: true)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      expect(cron.next_enqueuing).to be == DateTime.new(2016, 1, 1, 16)
+      build.destroy
+      cron.destroy
+    end
+
+    it "for weekly builds" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'weekly', disable_by_build: true)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      expect(cron.next_enqueuing).to be == DateTime.new(2016, 1, 7, 16)
+      build.destroy
+      cron.destroy
+    end
+
+    it "for monthly builds" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'monthly', disable_by_build: true)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      expect(cron.next_enqueuing).to be == DateTime.new(2016, 1, 31, 16)
+      build.destroy
+      cron.destroy
+    end
+
+  end
+
+  describe "build starts now if next build time is in the past" do
+
+    before do
+      # nothing, this time
+      # time freeze is performed in examples
+    end
+
+    after do
+      Timecop.return
+    end
+
+    it "for daily builds with disable_by_build true" do
+      Timecop.travel(DateTime.new(2015, 12, 31, 16))
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'daily', disable_by_build: true)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      Timecop.freeze(DateTime.new(2016, 1, 1, 19))
+      expect(cron.next_enqueuing).to be == DateTime.now
+      build.destroy
+      cron.destroy
+    end
+
+    it "for daily builds with disable_by_build false" do
+      Timecop.travel(DateTime.new(2015, 12, 31, 16))
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'daily', disable_by_build: false)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      Timecop.freeze(DateTime.new(2016, 1, 1, 19))
+      expect(cron.next_enqueuing).to be == DateTime.now
+      build.destroy
+      cron.destroy
+    end
+
+    it "for weekly builds with disable_by_build true" do
+      Timecop.travel(DateTime.new(2015, 12, 31, 16))
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'weekly', disable_by_build: true)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      Timecop.freeze(DateTime.new(2016, 1, 7, 19))
+      expect(cron.next_enqueuing).to be == DateTime.now
+      build.destroy
+      cron.destroy
+    end
+
+    it "for weekly builds with disable_by_build false" do
+      Timecop.travel(DateTime.new(2015, 12, 31, 16))
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'weekly', disable_by_build: false)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      Timecop.freeze(DateTime.new(2016, 1, 7, 19))
+      expect(cron.next_enqueuing).to be == DateTime.now
+      build.destroy
+      cron.destroy
+    end
+
+    it "for monthly builds with disable_by_build true" do
+      Timecop.travel(DateTime.new(2015, 12, 31, 16))
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'monthly', disable_by_build: true)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      Timecop.freeze(DateTime.new(2016, 1, 31, 19))
+      expect(cron.next_enqueuing).to be == DateTime.now
+      build.destroy
+      cron.destroy
+    end
+
+    it "for monthly builds with disable_by_build false" do
+      Timecop.travel(DateTime.new(2015, 12, 31, 16))
+      cron = Travis::API::V3::Models::Cron.create(branch_id: branch.id, interval: 'monthly', disable_by_build: false)
+      build = Travis::API::V3::Models::Build.create(:repository_id => repo.id, :branch_name => branch.name, :event_type => 'cron')
+      Timecop.freeze(DateTime.new(2016, 1, 31, 19))
+      expect(cron.next_enqueuing).to be == DateTime.now
+      build.destroy
+      cron.destroy
+    end
+
+  end
+
+end
diff --git a/spec/v3/queries/cron_spec.rb b/spec/v3/queries/cron_spec.rb
new file mode 100644
index 00000000..bb4c559a
--- /dev/null
+++ b/spec/v3/queries/cron_spec.rb
@@ -0,0 +1,27 @@
+require 'spec_helper'
+
+describe Travis::API::V3::Queries::Crons do
+  let(:user) { Travis::API::V3::Models::User.find_by_login('svenfuchs') }
+  let(:repo) { Travis::API::V3::Models::Repository.where(owner_name: 'svenfuchs', name: 'minimal').first }
+  let(:existing_branch) { Travis::API::V3::Models::Branch.create(repository: repo, name: 'cron-test-existing', exists_on_github: true) }
+  let(:non_existing_branch) { Travis::API::V3::Models::Branch.create(repository: repo, name: 'cron-test-non-existing', exists_on_github: false) }
+  let(:query) { Travis::API::V3::Queries::Crons.new({}, 'Overview')
+}
+
+  describe "start all" do
+    before { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, push: true) }
+
+    it "starts crons on existing branches" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: existing_branch.id, interval: 'daily', disable_by_build: false)
+      expect(query.start_all).to include(cron)
+
+    end
+
+    it "delete crons on branches not existing on GitHub" do
+      cron = Travis::API::V3::Models::Cron.create(branch_id: non_existing_branch.id, interval: 'daily', disable_by_build: false)
+      expect(query.start_all).to_not include(cron)
+      expect(Travis::API::V3::Models::Cron.where(id: cron.id).length).to equal(0)
+    end
+  end
+
+end
diff --git a/spec/v3/services/cron/create_spec.rb b/spec/v3/services/cron/create_spec.rb
new file mode 100644
index 00000000..dc578e80
--- /dev/null
+++ b/spec/v3/services/cron/create_spec.rb
@@ -0,0 +1,153 @@
+require 'spec_helper'
+
+describe Travis::API::V3::Services::Cron::Create do
+  let(:repo) { Travis::API::V3::Models::Repository.where(owner_name: 'svenfuchs', name: 'minimal').first }
+  let(:branch) { Travis::API::V3::Models::Branch.where(repository_id: repo).first }
+  let(:non_existing_branch) { Travis::API::V3::Models::Branch.create(repository: repo, name: 'cron-test', exists_on_github: false) }
+  let(:last_cron) {Travis::API::V3::Models::Cron.where(branch_id: branch.id).last}
+  let(:current_cron) {Travis::API::V3::Models::Cron.where(branch_id: branch.id).last}
+  let(:token)   { Travis::Api::App::AccessToken.create(user: repo.owner, app_id: 1) }
+  let(:headers) {{ 'HTTP_AUTHORIZATION' => "token #{token}", "Content-Type" => "application/json" }}
+  let(:options) {{ "interval" => "monthly", "disable_by_build" => false }}
+  let(:wrong_options) {{ "interval" => "notExisting", "disable_by_build" => false }}
+  let(:parsed_body) { JSON.load(body) }
+
+  before do
+    Travis::Features.activate_owner(:cron, repo.owner)
+  end
+
+  describe "creating a cron job with feature flag disabled" do
+    before     { Travis::Features.deactivate_owner(:cron, repo.owner)   }
+    before     { post("/v3/repo/#{repo.id}/branch/#{branch.name}/cron", options, headers)}
+    example    { expect(parsed_body).to be == {
+        "@type"               => "error",
+        "error_type"          => "insufficient_access",
+        "error_message"       => "operation requires create_cron access to repository",
+        "resource_type"       => "repository",
+        "permission"          => "create_cron",
+        "repository"          => {
+            "@type"           => "repository",
+            "@href"           => "/repo/#{repo.id}", # should be /v3/repo/#{repo.id}
+            "@representation" => "minimal",
+            "id"              => repo.id,
+            "name"            => "minimal",
+            "slug"            => "svenfuchs/minimal" }
+    }}
+  end
+
+  describe "creating a cron job" do
+    before     { last_cron }
+    before     { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, push: true) }
+    before     { post("/v3/repo/#{repo.id}/branch/#{branch.name}/cron", options, headers) }
+    example    { expect(current_cron == last_cron).to be_falsey }
+    example    { expect(last_response).to be_ok }
+    example    { expect(parsed_body).to be == {
+        "@type"               => "cron",
+        "@href"               => "/v3/cron/#{current_cron.id}",
+        "@representation"     => "standard",
+        "@permissions"        => {
+            "read"            => true,
+            "delete"          => true,
+            "start"           => true },
+        "id"                  => current_cron.id,
+        "repository"          => {
+            "@type"           => "repository",
+            "@href"           => "/v3/repo/#{repo.id}",
+            "@representation" => "minimal",
+            "id"              => repo.id,
+            "name"            => "minimal",
+            "slug"            => "svenfuchs/minimal" },
+        "branch"              => {
+            "@type"           => "branch",
+            "@href"           => "/v3/repo/#{repo.id}/branch/#{branch.name}",
+            "@representation" => "minimal",
+            "name"            => "#{branch.name}" },
+        "interval"            => "monthly",
+        "disable_by_build"    => false,
+        "next_enqueuing"     => current_cron.next_enqueuing.strftime('%Y-%m-%dT%H:%M:%SZ')
+    }}
+  end
+
+  describe "creating multiple cron jobs for one branch" do
+    before     { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, push: true) }
+    before     { post("/v3/repo/#{repo.id}/branch/#{branch.name}/cron", options, headers) }
+    before     { post("/v3/repo/#{repo.id}/branch/#{branch.name}/cron", options, headers) }
+    it "only stores one" do
+      expect(Travis::API::V3::Models::Cron.where(branch_id: branch.id).count).to eq(1)
+    end
+  end
+
+  describe "creating a cron job with a wrong interval" do
+    before     { last_cron }
+    before     { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, push: true) }
+    before     { post("/v3/repo/#{repo.id}/branch/#{branch.name}/cron", wrong_options, headers) }
+    example    { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "error",
+      "error_message" => "Invalid value for interval. Interval must be \"daily\", \"weekly\" or \"monthly\"!"
+    }}
+  end
+
+  describe "creating a cron job on a branch not existing on GitHub" do
+    before     { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, push: true) }
+    before     { post("/v3/repo/#{repo.id}/branch/#{non_existing_branch.name}/cron", options, headers) }
+    example    { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "error",
+      "error_message" => "Crons can only be set up for branches existing on GitHub!"
+    }}
+  end
+
+  describe "try creating a cron job without login" do
+    before     { post("/v3/repo/#{repo.id}/branch/#{branch.name}/cron", options) }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "login_required",
+      "error_message" => "login required"
+    }}
+  end
+
+  describe "try creating a cron job with a user without permissions" do
+    before     { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, push: false) }
+    before     { post("/v3/repo/#{repo.id}/branch/#{branch.name}/cron", options, headers) }
+    example    { expect(parsed_body).to be == {
+        "@type"               => "error",
+        "error_type"          => "insufficient_access",
+        "error_message"       => "operation requires create_cron access to repository",
+        "resource_type"       => "repository",
+        "permission"          => "create_cron",
+        "repository"          => {
+            "@type"           => "repository",
+            "@href"           => "/repo/#{repo.id}", # should be /v3/repo/#{repo.id}
+            "@representation" => "minimal",
+            "id"              => repo.id,
+            "name"            => "minimal",
+            "slug"            => "svenfuchs/minimal" }
+    }}
+  end
+
+  describe "creating cron on a non-existing repository by slug" do
+    before     { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, push: false) }
+    before     { post("/v3/repo/svenfuchs%2Fminimal1/branch/master/cron", options, headers)     }
+    example { expect(last_response).to be_not_found }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "not_found",
+      "error_message" => "repository not found (or insufficient access)",
+      "resource_type" => "repository"
+    }}
+  end
+
+  describe "creating cron on a non-existing branch" do
+    before     { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, push: false) }
+    before     { post("/v3/repo/#{repo.id}/branch/hopefullyNonExistingBranch/cron", options, headers)     }
+    example { expect(last_response).to be_not_found }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "not_found",
+      "error_message" => "branch not found (or insufficient access)",
+      "resource_type" => "branch"
+    }}
+  end
+
+end
diff --git a/spec/v3/services/cron/delete_spec.rb b/spec/v3/services/cron/delete_spec.rb
new file mode 100644
index 00000000..601d7bb9
--- /dev/null
+++ b/spec/v3/services/cron/delete_spec.rb
@@ -0,0 +1,98 @@
+require 'spec_helper'
+
+describe Travis::API::V3::Services::Cron::Delete do
+  let(:repo) { Travis::API::V3::Models::Repository.where(owner_name: 'svenfuchs', name: 'minimal').first }
+  let(:branch) { Travis::API::V3::Models::Branch.where(repository_id: repo).first }
+  let(:cron)  { Travis::API::V3::Models::Cron.create(branch: branch, interval:'daily') }
+  let(:token)   { Travis::Api::App::AccessToken.create(user: repo.owner, app_id: 1) }
+  let(:headers) {{ 'HTTP_AUTHORIZATION' => "token #{token}"                        }}
+  let(:parsed_body) { JSON.load(body) }
+
+  before do
+    Travis::Features.activate_owner(:cron, repo.owner)
+  end
+
+  describe "deleting cron jobs with feature disabled" do
+    before     { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, push: true) }
+    before     { Travis::Features.deactivate_owner(:cron, repo.owner)   }
+    before     { delete("/v3/cron/#{cron.id}", {}, headers)}
+    example    { expect(parsed_body).to be == {
+        "@type"               => "error",
+        "error_type"          => "not_found",
+        "error_message"       => "cron not found (or insufficient access)",
+        "resource_type"       => "cron"
+    }}
+  end
+
+  describe "deleting a cron job by id" do
+    before     { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, push: true) }
+    before     { delete("/v3/cron/#{cron.id}", {}, headers) }
+    example    { expect(last_response).to be_ok }
+    example    { expect(Travis::API::V3::Models::Cron.where(id: cron.id)).to be_empty }
+    example    { expect(parsed_body).to be == {
+        "@type"               => "cron",
+        "@href"               => "/v3/cron/#{cron.id}",
+        "@representation"     => "standard",
+        "@permissions"        => {
+            "read"            => true,
+            "delete"          => true,
+            "start"           => true },
+        "id"                  => cron.id,
+        "repository"          => {
+            "@type"           => "repository",
+            "@href"           => "/v3/repo/#{repo.id}",
+            "@representation" => "minimal",
+            "id"              => repo.id,
+            "name"            => "minimal",
+            "slug"            => "svenfuchs/minimal" },
+        "branch"              => {
+            "@type"           => "branch",
+            "@href"           => "/v3/repo/#{repo.id}/branch/#{branch.name}",
+            "@representation" => "minimal",
+            "name"            => branch.name },
+        "interval"            => "daily",
+        "disable_by_build"    => true,
+        "next_enqueuing"     => cron.next_enqueuing.strftime('%Y-%m-%dT%H:%M:%SZ')
+    }}
+  end
+
+  describe "try deleting a cron job without login" do
+    before     { delete("/v3/cron/#{cron.id}") }
+    example    { expect(Travis::API::V3::Models::Cron.where(id: cron.id)).to exist }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "login_required",
+      "error_message" => "login required"
+    }}
+  end
+
+  describe "try deleting a cron job with a user without permissions" do
+    before     { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, push: false) }
+    before     { delete("/v3/cron/#{cron.id}", {}, headers) }
+    example    { expect(Travis::API::V3::Models::Cron.where(id: cron.id)).to exist }
+    example    { expect(parsed_body).to be == {
+        "@type"               => "error",
+        "error_type"          => "insufficient_access",
+        "error_message"       => "operation requires delete access to cron",
+        "resource_type"       => "cron",
+        "permission"          => "delete",
+        "cron"                => {
+            "@type"           => "cron",
+            "@href"           => "/cron/#{cron.id}", # should be /v3/cron/#{cron.id}
+            "@representation" => "minimal",
+            "id"              => cron.id }
+    }}
+  end
+
+  describe "try deleting a non-existing cron job" do
+    before  { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, push: false) }
+    before  { delete("/v3/cron/999999999999999", {}, headers) }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "not_found",
+      "error_message" => "cron not found (or insufficient access)",
+      "resource_type" => "cron"
+    }}
+  end
+
+end
diff --git a/spec/v3/services/cron/find_spec.rb b/spec/v3/services/cron/find_spec.rb
new file mode 100644
index 00000000..8ae7f2c6
--- /dev/null
+++ b/spec/v3/services/cron/find_spec.rb
@@ -0,0 +1,113 @@
+require 'spec_helper'
+
+describe Travis::API::V3::Services::Cron::Find do
+  let(:repo) { Travis::API::V3::Models::Repository.where(owner_name: 'svenfuchs', name: 'minimal').first }
+  let(:branch) { Travis::API::V3::Models::Branch.where(repository_id: repo).first }
+  let(:cron)  { Travis::API::V3::Models::Cron.create(branch: branch, interval:'daily') }
+  let(:parsed_body) { JSON.load(body) }
+
+  before do
+    Travis::Features.activate_owner(:cron, repo.owner)
+  end
+
+  describe "find cron job with feature disabled" do
+    before     { Travis::Features.deactivate_owner(:cron, repo.owner)   }
+    before     { get("/v3/cron/#{cron.id}")   }
+    example    { expect(parsed_body).to be == {
+        "@type"               => "error",
+        "error_type"          => "not_found",
+        "error_message"       => "cron not found (or insufficient access)",
+        "resource_type"       => "cron"
+    }}
+  end
+
+  describe "fetching a cron job by id" do
+    before     { get("/v3/cron/#{cron.id}")     }
+    example    { expect(last_response).to be_ok }
+    example    { expect(parsed_body).to be == {
+        "@type"               => "cron",
+        "@href"               => "/v3/cron/#{cron.id}",
+        "@representation"     => "standard",
+        "@permissions"        => {
+            "read"            => true,
+            "delete"          => false,
+            "start"           => true },
+        "id"                  => cron.id,
+        "repository"          => {
+            "@type"           => "repository",
+            "@href"           => "/v3/repo/#{repo.id}",
+            "@representation" => "minimal",
+            "id"              => repo.id,
+            "name"            => "minimal",
+            "slug"            => "svenfuchs/minimal" },
+        "branch"              => {
+            "@type"           => "branch",
+            "@href"           => "/v3/repo/#{repo.id}/branch/#{branch.name}",
+            "@representation" => "minimal",
+            "name"            => branch.name },
+        "interval"            => "daily",
+        "disable_by_build"     => true,
+        "next_enqueuing"     => cron.next_enqueuing.strftime('%Y-%m-%dT%H:%M:%SZ')
+    }}
+  end
+
+  describe "fetching a non-existing cron job by id" do
+    before     { get("/v3/cron/999999999999999")     }
+    example { expect(last_response).to be_not_found }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "not_found",
+      "error_message" => "cron not found (or insufficient access)",
+      "resource_type" => "cron"
+    }}
+  end
+
+  describe "private cron, not authenticated" do
+    before  { repo.update_attribute(:private, true)  }
+    before  { get("/v3/cron/#{cron.id}")             }
+    after   { repo.update_attribute(:private, false) }
+    example { expect(last_response).to be_not_found  }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "not_found",
+      "error_message" => "cron not found (or insufficient access)",
+      "resource_type" => "cron"
+    }}
+  end
+
+  describe "private cron, authenticated as user with access" do
+    let(:token)   { Travis::Api::App::AccessToken.create(user: repo.owner, app_id: 1) }
+    let(:headers) {{ 'HTTP_AUTHORIZATION' => "token #{token}"                        }}
+    before        { Travis::API::V3::Models::Permission.create(repository: repo, user: repo.owner, pull: true) }
+    before        { repo.update_attribute(:private, true)                             }
+    before        { get("/v3/cron/#{cron.id}", {}, headers)                           }
+    after         { repo.update_attribute(:private, false)                            }
+    example       { expect(last_response).to be_ok                                    }
+    example       { expect(parsed_body).to be == {
+      "@type"               => "cron",
+      "@href"               => "/v3/cron/#{cron.id}",
+      "@representation"     => "standard",
+      "@permissions"        => {
+          "read"            => true,
+          "delete"          => false,
+          "start"           => true },
+      "id"                  => cron.id,
+      "repository"          => {
+          "@type"           => "repository",
+          "@href"           => "/v3/repo/#{repo.id}",
+          "@representation" => "minimal",
+          "id"              => repo.id,
+          "name"            => "minimal",
+          "slug"            => "svenfuchs/minimal" },
+      "branch"              => {
+          "@type"           => "branch",
+          "@href"           => "/v3/repo/#{repo.id}/branch/#{branch.name}",
+          "@representation" => "minimal",
+          "name"            => branch.name },
+      "interval"            => "daily",
+      "disable_by_build"     => true,
+      "next_enqueuing"     => cron.next_enqueuing.strftime('%Y-%m-%dT%H:%M:%SZ')
+    }}
+  end
+
+end
diff --git a/spec/v3/services/cron/for_branch_spec.rb b/spec/v3/services/cron/for_branch_spec.rb
new file mode 100644
index 00000000..32b0f76b
--- /dev/null
+++ b/spec/v3/services/cron/for_branch_spec.rb
@@ -0,0 +1,90 @@
+require 'spec_helper'
+
+describe Travis::API::V3::Services::Cron::ForBranch do
+  let(:repo) { Travis::API::V3::Models::Repository.where(owner_name: 'svenfuchs', name: 'minimal').first }
+  let(:branch) { Travis::API::V3::Models::Branch.where(repository_id: repo).first }
+  let(:cron)  { Travis::API::V3::Models::Cron.create(branch: branch, interval:'daily') }
+  let(:parsed_body) { JSON.load(body) }
+
+  before do
+    Travis::Features.activate_owner(:cron, repo.owner)
+  end
+
+  describe "find cron job for branch with feature disabled" do
+    before     { cron }
+    before     { Travis::Features.deactivate_owner(:cron, repo.owner)   }
+    before     { get("/v3/repo/#{repo.id}/branch/#{branch.name}/cron")   }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "insufficient_access",
+      "error_message" => "forbidden"
+    }}
+  end
+
+  describe "fetching all crons by repo id" do
+    before     { cron }
+    before     { get("/v3/repo/#{repo.id}/branch/#{branch.name}/cron")     }
+    example    { expect(last_response).to be_ok }
+    example    { expect(parsed_body).to be == {
+      "@type"               => "cron",
+      "@href"               => "/v3/cron/#{cron.id}",
+      "@representation"     => "standard",
+      "@permissions"        => {
+          "read"            => true,
+          "delete"          => false,
+          "start"           => true },
+      "id"                  => cron.id,
+      "repository"          => {
+          "@type"           => "repository",
+          "@href"           => "/v3/repo/#{repo.id}",
+          "@representation" => "minimal",
+          "id"              => repo.id,
+          "name"            => "minimal",
+          "slug"            => "svenfuchs/minimal" },
+      "branch"              => {
+          "@type"           => "branch",
+          "@href"           => "/v3/repo/#{repo.id}/branch/#{branch.name}",
+          "@representation" => "minimal",
+          "name"            => branch.name },
+      "interval"            => "daily",
+      "disable_by_build"     => true,
+      "next_enqueuing"     => cron.next_enqueuing.strftime('%Y-%m-%dT%H:%M:%SZ')
+    }}
+  end
+
+  describe "fetching crons on a non-existing repository by slug" do
+    before  { get("/v3/repo/svenfuchs%2Fminimal1/branch/master/cron") }
+    example { expect(last_response).to be_not_found }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "not_found",
+      "error_message" => "repository not found (or insufficient access)",
+      "resource_type" => "repository"
+    }}
+  end
+
+  describe "fetching crons on a non-existing branch" do
+    before  { get("/v3/repo/#{repo.id}/branch/hopefullyNonExistingBranch/cron") }
+    example { expect(last_response).to be_not_found }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "not_found",
+      "error_message" => "branch not found (or insufficient access)",
+      "resource_type" => "branch"
+    }}
+  end
+
+  describe "fetching crons from private repo, not authenticated" do
+    before  { repo.update_attribute(:private, true)  }
+    before  { get("/v3/repo/#{repo.id}/branch/#{branch.name}/cron") }
+    after   { repo.update_attribute(:private, false) }
+    example { expect(last_response).to be_not_found  }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "not_found",
+      "error_message" => "repository not found (or insufficient access)",
+      "resource_type" => "repository"
+    }}
+  end
+
+end
diff --git a/spec/v3/services/crons/for_repository_spec.rb b/spec/v3/services/crons/for_repository_spec.rb
new file mode 100644
index 00000000..05e37102
--- /dev/null
+++ b/spec/v3/services/crons/for_repository_spec.rb
@@ -0,0 +1,101 @@
+require 'spec_helper'
+
+describe Travis::API::V3::Services::Crons::ForRepository do
+  let(:repo) { Travis::API::V3::Models::Repository.where(owner_name: 'svenfuchs', name: 'minimal').first }
+  let(:branch) { Travis::API::V3::Models::Branch.where(repository_id: repo).first }
+  let(:cron)  { Travis::API::V3::Models::Cron.create(branch: branch, interval:'daily') }
+  let(:parsed_body) { JSON.load(body) }
+
+  before do
+    Travis::Features.activate_owner(:cron, repo.owner)
+  end
+
+  describe "fetching all crons by repo id with feature disabled" do
+    before     { Travis::Features.deactivate_owner(:cron, repo.owner)   }
+    before     { get("/v3/repo/#{repo.id}/crons")   }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "insufficient_access",
+      "error_message" => "forbidden"
+    }}
+  end
+
+  describe "fetching all crons by repo id" do
+    before     { cron }
+    before     { get("/v3/repo/#{repo.id}/crons")     }
+    example    { expect(last_response).to be_ok }
+    example    { expect(parsed_body).to be == {
+      "@type"              => "crons",
+        "@href"             => "/v3/repo/#{repo.id}/crons",
+        "@representation"   => "standard",
+        "@pagination"       => {
+          "limit"           => 25,
+          "offset"          => 0,
+          "count"           => 1,
+          "is_first"        => true,
+          "is_last"         => true,
+          "next"            => nil,
+          "prev"            => nil,
+          "first"           => {
+                "@href"     => "/v3/repo/#{repo.id}/crons",
+                "offset"    => 0,
+                "limit"     => 25},
+          "last"      => {
+                "@href"     => "/v3/repo/#{repo.id}/crons",
+                "offset"    => 0,
+                "limit"     => 25 }},
+          "crons"           => [
+            {
+                "@type"               => "cron",
+                "@href"               => "/v3/cron/#{cron.id}",
+                "@representation"     => "standard",
+                "@permissions"        => {
+                    "read"            => true,
+                    "delete"          => false,
+                    "start"           => true },
+                "id"                  => cron.id,
+                "repository"          => {
+                    "@type"           => "repository",
+                    "@href"           => "/v3/repo/#{repo.id}",
+                    "@representation" => "minimal",
+                    "id"              => repo.id,
+                    "name"            => "minimal",
+                    "slug"            => "svenfuchs/minimal" },
+                "branch"              => {
+                    "@type"           => "branch",
+                    "@href"           => "/v3/repo/#{repo.id}/branch/#{branch.name}",
+                    "@representation" => "minimal",
+                    "name"            => "#{branch.name}" },
+                "interval"            => "daily",
+                "disable_by_build"    => true,
+                "next_enqueuing"     => cron.next_enqueuing.strftime('%Y-%m-%dT%H:%M:%SZ')
+            }
+          ]
+    }}
+  end
+
+  describe "fetching crons on a non-existing repository by slug" do
+    before     { get("/v3/repo/svenfuchs%2Fminimal1/crons")     }
+    example { expect(last_response).to be_not_found }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "not_found",
+      "error_message" => "repository not found (or insufficient access)",
+      "resource_type" => "repository"
+    }}
+  end
+
+  describe "fetching crons from private repo, not authenticated" do
+    before  { repo.update_attribute(:private, true)  }
+    before  { get("/v3/repo/#{repo.id}/crons")             }
+    after   { repo.update_attribute(:private, false) }
+    example { expect(last_response).to be_not_found  }
+    example { expect(parsed_body).to be == {
+      "@type"         => "error",
+      "error_type"    => "not_found",
+      "error_message" => "repository not found (or insufficient access)",
+      "resource_type" => "repository"
+    }}
+  end
+
+end
diff --git a/spec/v3/services/owner/find_spec.rb b/spec/v3/services/owner/find_spec.rb
index e48ecfb2..f47f0b89 100644
--- a/spec/v3/services/owner/find_spec.rb
+++ b/spec/v3/services/owner/find_spec.rb
@@ -66,7 +66,8 @@ describe Travis::API::V3::Services::Owner::Find do
             "disable"         => false,
             "star"            => false,
             "unstar"          => false,
-            "create_request"  => false},
+            "create_request"  => false,
+            "create_cron"     => false},
           "id"                => repo.id,
           "name"              => "example-repo",
           "slug"              => "example-org/example-repo",
@@ -113,7 +114,8 @@ describe Travis::API::V3::Services::Owner::Find do
             "disable"       => false,
             "star"          => false,
             "unstar"        => false,
-            "create_request"=> false},
+            "create_request"=> false,
+            "create_cron"   => false},
           "id"              => repo.id,
           "name"            => "example-repo",
           "slug"            => "example-org/example-repo",
diff --git a/spec/v3/services/repositories/for_current_user_spec.rb b/spec/v3/services/repositories/for_current_user_spec.rb
index 399eaa9f..d414783a 100644
--- a/spec/v3/services/repositories/for_current_user_spec.rb
+++ b/spec/v3/services/repositories/for_current_user_spec.rb
@@ -44,7 +44,8 @@ describe Travis::API::V3::Services::Repositories::ForCurrentUser do
           "disable"          => true,
           "star"             => true,
           "unstar"           => true,
-          "create_request"   => true},
+          "create_request"   => true,
+          "create_cron"      => false},
         "id"                 =>  repo.id,
         "name"               =>  "minimal",
         "slug"               =>  "svenfuchs/minimal",
diff --git a/spec/v3/services/repositories/for_owner_spec.rb b/spec/v3/services/repositories/for_owner_spec.rb
index 0c9ac6ab..953f57e1 100644
--- a/spec/v3/services/repositories/for_owner_spec.rb
+++ b/spec/v3/services/repositories/for_owner_spec.rb
@@ -45,7 +45,8 @@ describe Travis::API::V3::Services::Repositories::ForOwner do
           "disable"          => false,
           "star"             => false,
           "unstar"           => false,
-          "create_request"   => false},
+          "create_request"   => false,
+          "create_cron"      => false},
         "id"                 => repo.id,
         "name"               => "minimal",
         "slug"               => "svenfuchs/minimal",
@@ -121,7 +122,8 @@ describe Travis::API::V3::Services::Repositories::ForOwner do
           "disable"       => false,
           "star"          => false,
           "unstar"        => false,
-          "create_request"=> false },
+          "create_request"=> false,
+          "create_cron"   => false },
         "id"              => 1,
         "name"            => "minimal",
         "slug"            => "svenfuchs/minimal",
@@ -149,7 +151,8 @@ describe Travis::API::V3::Services::Repositories::ForOwner do
           "disable"       => false,
           "star"          => false,
           "unstar"        => false,
-          "create_request"=> false },
+          "create_request"=> false,
+          "create_cron"   => false },
         "id"              => repo2.id,
         "name"            => "maximal",
         "slug"            => "svenfuchs/maximal",
diff --git a/spec/v3/services/repository/find_spec.rb b/spec/v3/services/repository/find_spec.rb
index b5c0a10c..b3c03556 100644
--- a/spec/v3/services/repository/find_spec.rb
+++ b/spec/v3/services/repository/find_spec.rb
@@ -36,7 +36,8 @@ describe Travis::API::V3::Services::Repository::Find do
         "disable"          => false,
         "star"             => false,
         "unstar"           => false,
-        "create_request"   => false},
+        "create_request"   => false,
+        "create_cron"      => false},
       "id"                 =>  repo.id,
       "name"               =>  "minimal",
       "slug"               =>  "svenfuchs/minimal",
@@ -113,7 +114,8 @@ describe Travis::API::V3::Services::Repository::Find do
         "disable"          => false,
         "star"             => false,
         "unstar"           => false,
-        "create_request"   => false},
+        "create_request"   => false,
+        "create_cron"      => false},
       "id"                 =>  repo.id,
       "name"               =>  "minimal",
       "slug"               =>  "svenfuchs/minimal",
@@ -150,7 +152,7 @@ describe Travis::API::V3::Services::Repository::Find do
     }}
   end
 
-  describe "private repository, authenticated as internal application with full access" do
+  describe "private repository without cron feature, authenticated as internal application with full access" do
     let(:app_name)   { 'travis-example'                                                           }
     let(:app_secret) { '12345678'                                                                 }
     let(:sign_opts)  { "a=#{app_name}"                                                            }
@@ -175,7 +177,8 @@ describe Travis::API::V3::Services::Repository::Find do
         "disable"          => true,
         "star"             => true,
         "unstar"           => true,
-        "create_request"   => true},
+        "create_request"   => true,
+        "create_cron"      => false},
       "id"                 =>  repo.id,
       "name"               =>  "minimal",
       "slug"               =>  "svenfuchs/minimal",
@@ -218,7 +221,7 @@ describe Travis::API::V3::Services::Repository::Find do
     }}
   end
 
-  describe "private repository, authenticated as internal application with full access, scoped to the right org" do
+  describe "private repository without cron feature, authenticated as internal application with full access, scoped to the right org" do
     let(:app_name)   { 'travis-example'                                                           }
     let(:app_secret) { '12345678'                                                                 }
     let(:sign_opts)  { "a=#{app_name}:s=#{repo.owner_name}"                                       }
@@ -243,7 +246,8 @@ describe Travis::API::V3::Services::Repository::Find do
         "disable"          => true,
         "star"             => true,
         "unstar"           => true,
-        "create_request"   => true},
+        "create_request"   => true,
+        "create_cron"      => false},
       "id"                 =>  repo.id,
       "name"               =>  "minimal",
       "slug"               =>  "svenfuchs/minimal",