diff --git a/voter/api/api.py b/voter/api/api.py
index c4b53cd..7dbae81 100644
--- a/voter/api/api.py
+++ b/voter/api/api.py
@@ -16,6 +16,13 @@ def list_channels():
 
 @api_channels.route("/channels/<channel>")
 def get_channel(channel):
+    """
+    If no query specified, prints the name of the
+    YouTube channel typed. When a query with the
+    name "vote" is given, adds or substracts 1
+    from the specified YouTube score.
+    """
+
     if "vote" in request.args:
         vote = str(request.args["vote"])
 
@@ -42,6 +49,7 @@ def get_channel(channel):
 
 @api_channels.route("/channels/<channel>/image.svg")
 def img_channel(channel):
+    """ Returns the YouTube score in a svg image. """
     if channel in channels:
         return f"""
                 <svg xmlns="http://www.w3.org/2000/svg" x="0px" y="0px"
diff --git a/voter/server.py b/voter/server.py
index 6e9b1f6..5db0e9d 100644
--- a/voter/server.py
+++ b/voter/server.py
@@ -1,8 +1,16 @@
 from flask import Flask
 from api.api import api_channels
+from flask_limiter import Limiter
+from flask_limiter.util import get_remote_address
 
 app = Flask(__name__)
 
+limiter = Limiter(
+    app,
+    key_func=get_remote_address,
+    default_limits=["1200 per day", "50 per hour"]
+)
+
 app.register_blueprint(api_channels)
 
 
@@ -12,4 +20,4 @@ def main():
 
 
 if __name__ == "__main__":
-    app.run(debug=True)
+    app.run()