diff --git a/docs/source/index.rst b/docs/source/index.rst
index 554e7ae..12f67b6 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -9,6 +9,7 @@ A Python-based application programmer's interface for the `Observations Data Mod
 
    installing
    modules
+   models
    credits
 
 Indices and tables
diff --git a/docs/source/installing.rst b/docs/source/installing.rst
index dc9b164..a135c24 100644
--- a/docs/source/installing.rst
+++ b/docs/source/installing.rst
@@ -1,5 +1,5 @@
 Installation
-------------
+============
 
 The easiest and most reliable way to install the ODM2 Python API
 (``odm2api``) is using the `Conda package management
diff --git a/docs/source/models.rst b/docs/source/models.rst
new file mode 100644
index 0000000..2749f58
--- /dev/null
+++ b/docs/source/models.rst
@@ -0,0 +1,7 @@
+ODM2 Models
+===========
+
+.. automodule:: odm2api.ODM2.models
+   :members:
+   :undoc-members:
+   :show-inheritance:
\ No newline at end of file
diff --git a/docs/source/modules.rst b/docs/source/modules.rst
index 049cd0c..c3aa99d 100644
--- a/docs/source/modules.rst
+++ b/docs/source/modules.rst
@@ -1,15 +1,51 @@
-:mod:`ODMconnection`
----------------------
+Developer Interface
+===================
+
+.. module:: odm2api
+
+This part of the documentation covers all the interfaces of ODM2PythonAPI.
+
+:mod:`Database Connection`
+---------------------------
 
 .. automodule:: odm2api.ODMconnection
    :members:
    :undoc-members:
    :show-inheritance:
 
+.. automodule:: odm2api.base
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 :mod:`Read Services`
 ---------------------
 
 .. automodule:: odm2api.ODM2.services.readService
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+:mod:`Create Services`
+-----------------------
+
+.. automodule:: odm2api.ODM2.services.createService
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+:mod:`Delete Services`
+-----------------------
+
+.. automodule:: odm2api.ODM2.services.deleteService
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+:mod:`Update Services`
+-----------------------
+
+.. automodule:: odm2api.ODM2.services.updateService
    :members:
    :undoc-members:
    :show-inheritance:
\ No newline at end of file