diff --git a/examples/new_marketing_campaigns/contacts.rb b/examples/new_marketing_campaigns/contacts.rb
new file mode 100644
index 00000000..b41b4bb0
--- /dev/null
+++ b/examples/new_marketing_campaigns/contacts.rb
@@ -0,0 +1,29 @@
+require 'sendgrid-ruby'
+
+sg = SendGrid::API.new(api_key: ENV['SENDGRID_API_KEY'])
+
+##################################################
+# Add or Update a Contact #
+# POST /marketing/contacts #
+
+data = JSON.parse('{
+  "list_ids": [
+    "ca7a3796-e8a8-4029-9ccb-df8937940562"
+  ],
+  "contacts": [
+    {
+      "address_line_1": "123 Elm St.",
+      "address_line_2": "Apt. 456",
+      "city": "Denver",
+      "country": "United States",
+      "email": "example@example.com",
+      "first_name": "User",
+      "last_name": "Example"
+    }
+  ]
+}')
+
+response = sg.client.marketing.contacts.put(request_body: data)
+puts response.status_code
+puts response.body
+puts response.headers
diff --git a/examples/new_marketing_campaigns/customfields.rb b/examples/new_marketing_campaigns/customfields.rb
new file mode 100644
index 00000000..de1a35fb
--- /dev/null
+++ b/examples/new_marketing_campaigns/customfields.rb
@@ -0,0 +1,49 @@
+require 'sendgrid-ruby'
+
+sg = SendGrid::API.new(api_key: ENV['SENDGRID_API_KEY'])
+
+##################################################
+# Create Custom Field Definition #
+# POST /marketing/field_definitions #
+
+data = JSON.parse('{
+  "name": "pet",
+  "field_type": "Text"
+}')
+
+response = sg.client.marketing.field_definitions.post(request_body: data)
+puts response.status_code
+puts response.body
+puts response.headers
+
+##################################################
+# Get All Field Definitions #
+# GET /marketing/field_definitions #
+
+response = sg.client.marketing.field_definitions.get
+puts response.status_code
+puts response.body
+puts response.headers
+
+##################################################
+# Update Custom Field Definition #
+# PATCH /marketing/field_definitions/{custom_field_id} #
+
+data = JSON.parse('{
+  "name": "new_custom_field_name"
+}')
+custom_field_id = 'e1_T'
+response = sg.client.marketing.field_definitions._(custom_field_id).patch(request_body: data)
+puts response.status_code
+puts response.body
+puts response.headers
+
+##################################################
+# Delete Custom Field Definition #
+# DELETE /marketing/field_definitions/{custom_field_id} #
+
+custom_field_id = 'e1_T'
+response = sg.client.marketing.field_definitions._(custom_field_id).delete
+puts response.status_code
+puts response.body
+puts response.headers
diff --git a/examples/new_marketing_campaigns/lists.rb b/examples/new_marketing_campaigns/lists.rb
new file mode 100644
index 00000000..ec50c06e
--- /dev/null
+++ b/examples/new_marketing_campaigns/lists.rb
@@ -0,0 +1,35 @@
+require 'sendgrid-ruby'
+
+sg = SendGrid::API.new(api_key: ENV['SENDGRID_API_KEY'])
+
+##################################################
+# Create List #
+# GET /marketing/lists #
+
+data = JSON.parse('{
+  "name": "list-name"
+}')
+
+response = sg.client.marketing.lists.post(request_body: data)
+puts response.status_code
+puts response.body
+puts response.headers
+
+##################################################
+# Get All Lists #
+# GET /marketing/lists #
+
+response = sg.client.marketing.lists.get
+puts response.status_code
+puts response.body
+puts response.headers
+
+##################################################
+# Get a List by ID #
+# GET /marketing/lists/{id} #
+
+list_id = 'ca7a3796-e8a8-4029-9ccb-df8937940562'
+response = sg.client.marketing.lists._(list_id).get
+puts response.status_code
+puts response.body
+puts response.headers
diff --git a/examples/new_marketing_campaigns/singlesends.rb b/examples/new_marketing_campaigns/singlesends.rb
new file mode 100644
index 00000000..796e5233
--- /dev/null
+++ b/examples/new_marketing_campaigns/singlesends.rb
@@ -0,0 +1,28 @@
+require 'sendgrid-ruby'
+
+sg = SendGrid::API.new(api_key: ENV['SENDGRID_API_KEY'])
+
+##################################################
+# Create Single Send #
+# POST /marketing/singlesends #
+
+data = JSON.parse('{
+  "name": "Example API Created Single Send",
+  "categories": [
+    "unique opens"
+  ],
+  "send_to": {
+    "all": true
+  },
+  "email_config": {
+    "design_id": "<your-design-id>",
+    "editor": "design",
+    "suppression_group_id": 12,
+    "sender_id": 10
+  }
+}')
+
+response = sg.client.marketing.singlesends.post(request_body: data)
+puts response.status_code
+puts response.body
+puts response.headers