diff --git a/config/environments/production.rb b/config/environments/production.rb
index 8a14ab05..1eb97647 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -146,6 +146,8 @@ Rails.application.configure do
 
     current_user = controller.instance_variable_get(:@current_user)
 
+    os = DetectBrowserDevice.os(controller.request.user_agent) if ENV['MULTITENANT'] == 'true'
+
     {
       host: controller.request.host,
       fwd: controller.request.remote_ip,
@@ -161,6 +163,7 @@ Rails.application.configure do
                params[:submit_form_slug] ||
                params[:template_slug]).to_s.first(5)
       }.compact_blank,
+      **(os ? { os: } : {}),
       uid: current_user.try(:id),
       aid: current_user.try(:account_id),
       rid: resource.try(:id),
diff --git a/lib/detect_browser_device.rb b/lib/detect_browser_device.rb
index 0240d278..bebbe39f 100644
--- a/lib/detect_browser_device.rb
+++ b/lib/detect_browser_device.rb
@@ -26,6 +26,45 @@ module DetectBrowserDevice
     Silk
   /ix
 
+  WINDOWS_USER_AGENT_REGEXP = /
+    Windows|
+    Win64  |
+    Win32  |
+    WOW64
+  /ix
+
+  ANDROID_USER_AGENT_REGEXP = /
+    Android|
+    Silk   |
+    Kindle
+  /ix
+
+  IOS_USER_AGENT_REGEXP = /
+    iPhone|
+    iPad  |
+    iPod  |
+    iOS
+  /ix
+
+  MACOS_USER_AGENT_REGEXP = /
+    Macintosh   |
+    Mac\ OS\ X  |
+    MacIntel
+  /ix
+
+  LINUX_USER_AGENT_REGEXP = /
+    Linux  |
+    X11    |
+    CrOS   |
+    Ubuntu |
+    Fedora |
+    FreeBSD|
+    OpenBSD|
+    NetBSD
+  /ix
+
+  SDK_USER_AGENT_REGEXP = /\ADocuSeal (?<sdk>Ruby|Python|PHP|Java|C#|JS|Go|CLI) v/i
+
   def call(user_agent)
     return if user_agent.blank?
 
@@ -34,4 +73,21 @@ module DetectBrowserDevice
 
     'desktop'
   end
+
+  def os(user_agent)
+    return if user_agent.blank?
+
+    sdk = user_agent[SDK_USER_AGENT_REGEXP, :sdk]
+
+    return sdk.downcase if sdk
+
+    case user_agent
+    when WINDOWS_USER_AGENT_REGEXP then 'windows'
+    when ANDROID_USER_AGENT_REGEXP then 'android'
+    when IOS_USER_AGENT_REGEXP then 'ios'
+    when MACOS_USER_AGENT_REGEXP then 'macos'
+    when LINUX_USER_AGENT_REGEXP then 'linux'
+    else 'other'
+    end
+  end
 end