diff --git a/doc/reference/Makefile.am b/doc/reference/Makefile.am
index d04bfbc6..33902e1b 100644
--- a/doc/reference/Makefile.am
+++ b/doc/reference/Makefile.am
@@ -47,7 +47,13 @@ EXTRA_HFILES =
 
 HTML_IMAGES =
 
-content_files =
+content_files = \
+	dbus-org.freedesktop.Flatpak.Authenticator.stamp \
+	dbus-org.freedesktop.Flatpak.stamp \
+	dbus-org.freedesktop.impl.portal.PermissionStore.stamp \
+	dbus-org.freedesktop.portal.Documents.stamp \
+	dbus-org.freedesktop.portal.Flatpak.stamp \
+	$(NULL)
 expand_content_files = 
 
 AM_CPPFLAGS = -I$(top_srcdir)/common -I$(top_builddir)/common $(BASE_CFLAGS)
@@ -67,3 +73,5 @@ endif
 libflatpak-docs.html: libflatpak-docs.xml docs
 	$(AM_V_GEN) $(XMLTO) $(XMLTO_FLAGS) --skip-validation xhtml-nochunks -m $(srcdir)/../xmlto-config.xsl $<
 
+dbus-%.stamp: $(top_srcdir)/data/%.xml
+	$(AM_V_GEN)$(GDBUS_CODEGEN) --generate-docbook=dbus $<
diff --git a/doc/reference/libflatpak-docs.xml b/doc/reference/libflatpak-docs.xml
index f6b6b2f5..a225ff8f 100644
--- a/doc/reference/libflatpak-docs.xml
+++ b/doc/reference/libflatpak-docs.xml
@@ -30,6 +30,18 @@
     <xi:include href="xml/flatpak-version-macros.xml"/>
   </chapter>
 
+  <chapter>
+    <title>D-Bus APIs</title>
+    <xi:include href="dbus-org.freedesktop.Flatpak.Authenticator.xml"/>
+    <xi:include href="dbus-org.freedesktop.Flatpak.Development.xml"/>
+    <xi:include href="dbus-org.freedesktop.Flatpak.SessionHelper.xml"/>
+    <xi:include href="dbus-org.freedesktop.Flatpak.SystemHelper.xml"/>
+    <xi:include href="dbus-org.freedesktop.impl.portal.PermissionStore.xml"/>
+    <xi:include href="dbus-org.freedesktop.portal.Documents.xml"/>
+    <xi:include href="dbus-org.freedesktop.portal.Flatpak.xml"/>
+    <xi:include href="dbus-org.freedesktop.portal.Flatpak.UpdateMonitor.xml"/>
+  </chapter>
+
   <chapter id="object-tree">
     <title>Object Hierarchy</title>
     <xi:include href="xml/tree_index.sgml"/>