diff --git a/.gitmodules b/.gitmodules
index 07bbe371a9b..0eb922436a4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,9 @@
 [submodule "doc/wiki"]
-	path = doc/wiki
-	url = https://github.com/ajaxorg/ace.wiki.git
+        path = doc/wiki
+        url = https://github.com/ajaxorg/ace.wiki.git
 [submodule "build"]
-	path = build
-	url = https://github.com/ajaxorg/ace-builds.git
+        path = build
+        url = https://github.com/ajaxorg/ace-builds.git
+[submodule "api"]
+        path = api
+        url = https://github.com/ajaxorg/ace-api-docs.git
diff --git a/api b/api
new file mode 160000
index 00000000000..ffbe0a81bc9
--- /dev/null
+++ b/api
@@ -0,0 +1 @@
+Subproject commit ffbe0a81bc946399d6bb8952ccf975e61cd254a0