diff --git a/docs/conf.py b/docs/conf.py
index dba10592b..9ac34cb3b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -2,7 +2,7 @@ AUTHOR = u'Adrian Sampson'
 
 # -- General configuration -----------------------------------------------------
 
-extensions = []
+extensions = ['sphinx.ext.autodoc']
 
 #templates_path = ['_templates']
 exclude_patterns = ['_build']
diff --git a/docs/dev/api.rst b/docs/dev/api.rst
index 7747cbb67..e7da2b4bd 100644
--- a/docs/dev/api.rst
+++ b/docs/dev/api.rst
@@ -1,4 +1,25 @@
 API Documentation
 =================
 
-TK.
+.. currentmodule:: beets.library
+
+The Library Class
+-----------------
+
+.. autoclass:: Library(path, directory[, path_formats[, replacements]])
+    :members:
+
+Model Classes
+-------------
+
+.. autoclass:: FlexModel
+    :members:
+
+.. autoclass:: LibModel
+    :members:
+
+.. autoclass:: Item
+    :members:
+
+.. autoclass:: Album
+    :members: