diff --git a/docs/Makefile b/docs/Makefile
index 1f3f7d76c..133080cdb 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -36,7 +36,7 @@ help:
 clean:
 	-rm -rf $(BUILDDIR)/*
 
-html: usage
+html: usage api.rst
 	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
 	@echo
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
@@ -153,3 +153,18 @@ usage/%.rst.inc: ../borg/archiver.py
 	@borg help $* --usage-only | sed -e 's/^/    /' >> $@
 	@printf "\nDescription\n~~~~~~~~~~~\n" >> $@
 	@borg help $* --epilog-only >> $@
+
+api.rst: Makefile
+	@echo "auto-generating API documentation"
+	@echo "Borg Backup API documentation" > $@
+	@echo "=============================" >> $@
+	@echo "" >> $@
+	@for mod in ../borg/*.pyx ../borg/*.py; do \
+		if echo "$$mod" | grep -q "/_"; then \
+			continue ; \
+		fi ; \
+		printf ".. automodule:: "; \
+		echo "$$mod" | sed "s!\.\./!!;s/\.pyx\?//;s!/!.!"; \
+		echo "    :members:"; \
+		echo "    :undoc-members:"; \
+	done >> $@
diff --git a/docs/conf.py b/docs/conf.py
index 772d88498..eba5c841e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -218,7 +218,7 @@
 #     ['see "AUTHORS" file'], 1)
 #]
 
-extensions = ['sphinx.ext.extlinks']
+extensions = ['sphinx.ext.extlinks', 'sphinx.ext.autodoc', 'sphinx.ext.todo', 'sphinx.ext.coverage', 'sphinx.ext.viewcode']
 
 extlinks = {
     'issue': ('https://github.com/borgbackup/borg/issues/%s', '#'),
diff --git a/docs/index.rst b/docs/index.rst
index a871ef353..6a42dce0f 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -16,3 +16,4 @@ Borg Documentation
    changes
    internals
    development
+   api