diff --git a/.env.example b/.env.example
index e69de29b..1fe492c4 100644
--- a/.env.example
+++ b/.env.example
@@ -0,0 +1,4 @@
+CONVERTKIT_API_KEY=
+CONVERTKIT_API_SECRET=
+CONVERTKIT_FORM_ID=
+CONVERTKIT_TAG_ID=
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index a8a1f92e..ff8b8f2e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,6 +21,7 @@ gem "stimulus-rails"
 gem "turbo-rails"
 
 # Other
+gem "faraday"
 gem "jbuilder"
 gem "tzinfo-data", platforms: %i[ windows jruby ]
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 7233fe32..3f51fe02 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -144,6 +144,10 @@ GEM
       rubocop
       smart_properties
     erubi (1.12.0)
+    faraday (2.9.0)
+      faraday-net_http (>= 2.0, < 3.2)
+    faraday-net_http (3.1.0)
+      net-http
     ffi (1.16.3)
     globalid (1.2.1)
       activesupport (>= 6.1)
@@ -182,6 +186,8 @@ GEM
     mini_mime (1.1.5)
     minitest (5.21.2)
     msgpack (1.7.2)
+    net-http (0.4.1)
+      uri
     net-imap (0.4.10)
       date
       net-protocol
@@ -320,6 +326,7 @@ GEM
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.5.0)
+    uri (0.13.0)
     useragent (0.16.10)
     web-console (4.2.1)
       actionview (>= 6.0.0)
@@ -350,6 +357,7 @@ DEPENDENCIES
   debug
   dotenv-rails
   erb_lint
+  faraday
   hotwire-livereload
   importmap-rails
   jbuilder
diff --git a/app/controllers/signups_controller.rb b/app/controllers/signups_controller.rb
index 3b401eb1..801886ae 100644
--- a/app/controllers/signups_controller.rb
+++ b/app/controllers/signups_controller.rb
@@ -3,5 +3,14 @@ def new
   end
 
   def create
+    form_id = ENV["CONVERTKIT_FORM_ID"]
+    tag_id = ENV["CONVERTKIT_TAG_ID"]
+    api_key = ENV["CONVERTKIT_API_KEY"]
+    email = params[:email]
+
+    Faraday.post("https://api.convertkit.com/v3/forms/#{form_id}/subscribe") do |req|
+      req.headers["Content-Type"] = "application/json; charset=utf-8"
+      req.body = { api_key: api_key, email: email, tags: [ tag_id ] }.to_json
+    end
   end
 end
diff --git a/app/views/pages/index.html.erb b/app/views/pages/index.html.erb
index 40d25677..e7c25149 100644
--- a/app/views/pages/index.html.erb
+++ b/app/views/pages/index.html.erb
@@ -1,5 +1,5 @@
 <div class="text-center">
-  <div class="max-w-xl pt-8 mx-auto text-3xl mb-4">
+  <div class="max-w-xl pt-8 mx-auto mb-4 text-3xl">
     Maybe <%= image_tag("icon-maybe-color.svg", alt: "Maybe Logo", class: "inline") %> is a <em class="relative"><span class="border-b-2 border-dotted border-neutral-400">fully</span><sup>*</sup> <span class="absolute w-64 text-xs text-left left-16 -top-7 -rotate-3 text-neutral-400"><sup>*</sup>your finances are secure</span></em> open-source
     <div class="inline-flex border rounded-md shadow-[0_1px_8px_0_rgba(0,0,0,0.04)] border-neutral-200">
       <%= link_to "https://github.com/maybe-finance/maybe", class: "px-2 py-1.5 border-r shadow-[inset_0_-2px_5px_0_rgba(0,0,0,0.07)] bg-neutral-100 rounded-l-md border-neutral-200 flex items-center justify-center" do %>
@@ -9,7 +9,7 @@
     </div>
     OS for your personal finances <%= image_tag("icon-chart.svg", alt: "Chart", class: "inline") %> built by a small team <%= image_tag("icon-team.png", alt: "Maybe Team", class: "inline h-9") %> alongside an incredible community <%= image_tag("icon-discord.svg", alt: "Discord", class: "inline") %>
   </div>
-  <div class="max-w-96 mx-auto">
+  <div class="mx-auto max-w-96">
     <%= render_signup_form %>
   </div>
 </div>