diff --git a/README.md b/README.md
index 1d9eeb711..319d03e9e 100644
--- a/README.md
+++ b/README.md
@@ -14,4 +14,6 @@
 ## Documentation ##
 Browsable HTML http://readthedocs.org/docs/cgrates/
 
-PDF, Epub, Manpage http://readthedocs.org/projects/cgrates/downloads/
\ No newline at end of file
+PDF, Epub, Manpage http://readthedocs.org/projects/cgrates/downloads/
+
+API http://gopkgdoc.appspot.com/pkg/github.com/rif/cgrates/timespans