diff --git a/.gitignore b/.gitignore
index 8dff601..dcd91ea 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,6 @@ htmlcov
 
 # Editors
 .idea
+
+config.py
+*.txt
diff --git a/gather_keys_oauth2.py b/gather_keys_oauth2.py
index 39a19f8..bf54c45 100755
--- a/gather_keys_oauth2.py
+++ b/gather_keys_oauth2.py
@@ -78,6 +78,7 @@ def _shutdown_cherrypy(self):
         """ Shutdown cherrypy in one second, if it's running """
         if cherrypy.engine.state == cherrypy.engine.states.STARTED:
             threading.Timer(1, cherrypy.engine.exit).start()
+        cherrypy.engine.exit()
 
 
 if __name__ == '__main__':
diff --git a/heartrate.py b/heartrate.py
new file mode 100755
index 0000000..b4bc136
--- /dev/null
+++ b/heartrate.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+"""Script for fetching my min and max heart rate over the past 15 minutes."""
+import time
+
+from config import *
+from gather_keys_oauth2 import OAuth2Server
+
+if __name__ == '__main__':
+    server = OAuth2Server(client_id, client_secret)
+    server.browser_authorize()
+
+    fb = server.fitbit
+    detail_level = '1min'
+    intraday = f'https://api.fitbit.com/1/user/-/activities/heart/date/today/1d/{detail_level}.json'
+
+    while True:
+        resp = fb.make_request(intraday)
+        dataset = resp['activities-heart-intraday']['dataset']
+        # Get only data from the last 15 minutes.
+        latest = [d['value'] for d in dataset[-16:]]
+
+        with open('maxs-hr.txt', 'w') as f:
+            output = '{}–{}'.format(min(latest), max(latest))
+            print(output)
+            f.write(output)
+
+        time.sleep(60)