diff --git a/namespaces/iow/links.csv b/namespaces/iow/links.csv
index a8a84ebd..d3cdd194 100644
--- a/namespaces/iow/links.csv
+++ b/namespaces/iow/links.csv
@@ -6,3 +6,4 @@ https://geoconnex.us/iow/cr-demo, https://lincolninstitute.maps.arcgis.com/apps/
 https://geoconnex.us/iow/tracker, https://gis.cgs.earth/portal/apps/storymaps/stories/e5a448012b574548a01acbdb7dfd30db, konda@lincolninst.edu, geoconnex tracker map
 https://geoconnex.us/iow/hyriver, https://hyriver.readthedocs.io/en/latest/examples/notebooks/geoconnex.html, bwebb@lincolninst.edu, geoconnex hyriver apps
 https://geoconnex.us/iow/principles, https://internetofwater.org/internet-of-water-principles/, bwebb@lincolninst.edu, internet of water principles
+https://geoconnex.us/iow/api-mockup, https://cgs-earth.github.io/geoconnex-api-mockups/, konda@lincolninst.edu, Geoconnex API Mockups