diff --git a/docs/api_reference.rst b/docs/api_reference.rst
index 4976463..7b99123 100644
--- a/docs/api_reference.rst
+++ b/docs/api_reference.rst
@@ -8,4 +8,5 @@ API Reference
    api_reference_soup
    api_reference_itch
    api_reference_ouch
+   api_reference_fix
    api_reference_common
\ No newline at end of file
diff --git a/docs/api_reference_fix.rst b/docs/api_reference_fix.rst
new file mode 100644
index 0000000..e970d4d
--- /dev/null
+++ b/docs/api_reference_fix.rst
@@ -0,0 +1,30 @@
+.. _api-reference-fix:
+FIX API Reference
+=================
+
+Fix
+----
+.. automodule:: nasdaq_protocols.fix
+
+
+Fix Session
+^^^^^^^^^^^
+.. autoclass:: nasdaq_protocols.fix.session.FixSessionId
+    :show-inheritance: True
+
+.. autoclass:: nasdaq_protocols.fix.session.FixSession
+    :show-inheritance: True
+    :undoc-members: ['send_heartbeat']
+
+.. autoclass:: nasdaq_protocols.fix.session.Fix44Session
+    :show-inheritance: True
+    :undoc-members: ['begin_string']
+
+.. autoclass:: nasdaq_protocols.fix.session.Fix50Session
+    :show-inheritance: True
+    :undoc-members: ['begin_string']
+
+
+Fix Messages
+^^^^^^^^^^^^
+.. automodule:: nasdaq_protocols.fix.core
\ No newline at end of file