diff --git a/requirements.txt b/requirements.txt
index e69de29..3fc5868 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -0,0 +1,7 @@
+click==6.6
+Flask==0.11.1
+itsdangerous==0.24
+Jinja2==2.8
+MarkupSafe==0.23
+Werkzeug==0.11.11
+wheel==0.24.0
diff --git a/src/api/index.py b/src/api/index.py
index 20f5b19..c4c741c 100644
--- a/src/api/index.py
+++ b/src/api/index.py
@@ -1,4 +1,12 @@
+"""
+	This is a RESTful interface implemented using Flask micro framework.
+	The API is driven by configuration that is organized in terms of the monitoring classes
 
+	We designed the classes to be reusable (and powered by labels):
+	'monitoring-type':
+		'class':'<class-name>'
+		'config':<labeled-class-specific-configuration>'
+"""
 from flask import Flask,request
 import sys
 import os