started protocol section

docs/source/index.rst

@@ -9,17 +9,7 @@ Inventory Provider
 Documentation for Inventory Provider.
 This service acts as a single point of truth for
 information about the GÉANT network, exposed by
-a Flask-based web service.
-
-The webservice communicates with clients over HTTP.
-Responses to valid requests are returned as JSON messages.
-The server will therefore return an error unless
-`application/json` is in the `Accept` request header field.
-
-HTTP communication and JSON grammar details are
-beyond the scope of this document.
-Please refer to [RFC 2616](https://tools.ietf.org/html/rfc2616)
-and www.json.org for more details.
+by an HTTP API.
 
 
 .. toctree::
@@ -27,3 +17,4 @@ and www.json.org for more details.
    :caption: Contents:
 
    configuration
+   protocol/index
\ No newline at end of file

docs/source/protocol/classifier.rst

+.. classifier endpoint docs
+
+
+Classifier Endpoints
+=========================
+
+
+todo

docs/source/protocol/index.rst

+.. protocol intro
+
+Protocol
+=========================
+
+This module implements a Flask-based webservice which
+communicates with clients over HTTP.
+Responses to valid requests are returned as JSON messages.
+The server will therefore return an error unless
+`application/json` is in the `Accept` request header field.
+
+HTTP communication and JSON grammar details are
+beyond the scope of this document.
+Please refer to [RFC 2616](https://tools.ietf.org/html/rfc2616)
+and www.json.org for more details.
+
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents:
+
+   classifier
+
+
+Version
+-------------
+
+.. autofunction:: inventory_provider.routes.default.version
+