diff --git a/ruby/sinatra-puma/app/app.rb b/ruby/sinatra-puma/app/app.rb
index 261f17b2..b00fe9da 100644
--- a/ruby/sinatra-puma/app/app.rb
+++ b/ruby/sinatra-puma/app/app.rb
@@ -80,3 +80,11 @@ class AnotherCustomError < StandardError
 
   "Cron check-in sent!"
 end
+
+get "/heartbeat" do
+  Appsignal::CheckIn.heartbeat("custom-heartbeat-checkin")
+
+  "Heartbeat check-in sent!"
+end
+
+Appsignal::CheckIn.heartbeat("continuous-heartbeat-checkin", continuous: true)