diff --git a/README.md b/README.md
index 13e9133..62afb1e 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ API actions are available as methods on the client object. Currently, the Conver
 
 **Note:** We do not have complete API coverage yet. If we are missing an API method that you need to use in your application, please file an issue and/or open a pull request. 
 
-[See the official API documentation](http://kb.convertkit.com/article/api-documentation-v3/) for a complete API reference.
+[See the official API documentation](https://developers.convertkit.com/v4.html) for a complete API reference.
 
 ## Use Cases
 
diff --git a/lib/convertkit_v4/client.rb b/lib/convertkit_v4/client.rb
index 4a69183..86fe4b5 100644
--- a/lib/convertkit_v4/client.rb
+++ b/lib/convertkit_v4/client.rb
@@ -2,6 +2,7 @@
 require "convertkit_v4/client/custom_fields"
 require "convertkit_v4/client/forms"
 require "convertkit_v4/client/sequences"
+require "convertkit_v4/client/broadcasts"
 require "convertkit_v4/client/subscribers"
 require "convertkit_v4/client/webhooks"
 require "convertkit_v4/client/tags"
@@ -13,6 +14,7 @@ class Client
     include CustomFields
     include Forms
     include Sequences
+    include Broadcasts
     include Subscribers
     include Webhooks
     include Tags
diff --git a/lib/convertkit_v4/client/broadcasts.rb b/lib/convertkit_v4/client/broadcasts.rb
new file mode 100644
index 0000000..b8bd979
--- /dev/null
+++ b/lib/convertkit_v4/client/broadcasts.rb
@@ -0,0 +1,19 @@
+module ConvertkitV4
+  class Client
+    module Broadcasts
+
+      def broadcasts
+        connection.get("broadcasts").body["broadcasts"]
+      end
+
+      def broadcast(broadcast_id)
+        connection.get("broadcasts/#{broadcast_id}").body["broadcast"]
+      end
+
+      def broadcast_stats(broadcast_id)
+        connection.get("broadcasts/#{broadcast_id}/stats").body["broadcast"]
+      end
+
+    end
+  end
+end
diff --git a/lib/convertkit_v4/client/subscribers.rb b/lib/convertkit_v4/client/subscribers.rb
index 41915ad..f22326a 100644
--- a/lib/convertkit_v4/client/subscribers.rb
+++ b/lib/convertkit_v4/client/subscribers.rb
@@ -37,11 +37,7 @@ def update_subscriber(subscriber_id, options = {})
       end
 
       def unsubscribe(subscriber_id)
-        connection.post("unsubscribe") do |f|
-          f.body = JSON.generate({
-            id: subscriber_id
-          })
-        end
+        connection.post("subscribers/#{subscriber_id}/unsubscribe")
       end
 
       def subscriber_tags(subscriber_id)
diff --git a/lib/convertkit_v4/client/tags.rb b/lib/convertkit_v4/client/tags.rb
index be45066..d39e6e2 100644
--- a/lib/convertkit_v4/client/tags.rb
+++ b/lib/convertkit_v4/client/tags.rb
@@ -12,7 +12,7 @@ def create_tag(tag_name)
             name: tag_name
           })
         end
-        response.body
+        response.body["tag"]
       end
 
       def add_subscriber_to_tag(tag_id, options = {})
diff --git a/lib/convertkit_v4/connection.rb b/lib/convertkit_v4/connection.rb
index cd39a23..1ef4678 100644
--- a/lib/convertkit_v4/connection.rb
+++ b/lib/convertkit_v4/connection.rb
@@ -8,7 +8,7 @@ class Connection
     attr_reader :http_connection
 
     API_URL = "https://api.convertkit.com/"
-    API_VERSION_PATH = "alpha/"
+    API_VERSION_PATH = "v4/"
 
     def initialize(access_token: nil)
       @http_connection = faraday_connection(access_token)
diff --git a/lib/convertkit_v4/version.rb b/lib/convertkit_v4/version.rb
index df04e30..6c4726f 100644
--- a/lib/convertkit_v4/version.rb
+++ b/lib/convertkit_v4/version.rb
@@ -1,3 +1,3 @@
 module ConvertkitV4
-  VERSION = "1.0.15"
+  VERSION = "1.0.18"
 end
diff --git a/spec/convertkit_v4/client/broadcasts_spec.rb b/spec/convertkit_v4/client/broadcasts_spec.rb
new file mode 100644
index 0000000..94fed14
--- /dev/null
+++ b/spec/convertkit_v4/client/broadcasts_spec.rb
@@ -0,0 +1,43 @@
+require "spec_helper"
+require "securerandom"
+
+module ConvertkitV4
+  class Client
+    describe Broadcasts do
+      before do
+        ConvertkitV4.configure do |config|
+          config.api_secret = ENV["API_SECRET"]
+          config.api_key = ENV["API_KEY"]
+        end
+
+        @client = ConvertkitV4::Client.new
+      end
+
+      describe "#broadcasts" do
+        it "sends the right request" do
+          r = @client.broadcasts
+          expect(r.success?).to be_truthy
+          expect(r.body).to_not eql({"error"=>"Authorization Failed", "message"=>"API Key not present"})
+        end
+      end
+
+      describe "#broadcast" do
+        it "sends the right request" do
+          broadcast_id = ENV['BROADCAST_ID']
+
+          r = @client.broadcast(broadcast_id)
+          expect(r.success?).to be_truthy
+          expect(r.body).to_not eql({"error"=>"Not Found", "message"=>"The entity you were trying to find doesn't exist"})
+        end
+      end
+
+      describe "#broadcast_stats" do
+        it "sends the right request" do
+          broadcast_id = ENV['BROADCAST_ID']
+
+          r = @client.broadcast_stats(broadcast_id)
+          expect(r.success?).to be_truthy
+          expect(r.body).to_not eql({"error"=>"Not Found", "message"=>"The entity you were trying to find doesn't exist"})
+        end
+      end
+    end