diff --git a/app/controllers/addressProperties.js b/app/controllers/addressProperties.js
index c30f2108..e02ec65c 100644
--- a/app/controllers/addressProperties.js
+++ b/app/controllers/addressProperties.js
@@ -58,3 +58,16 @@ exports.totalSent = function(req, res, next) {
       }
     });
 };
+
+exports.unconfirmedBalance = function(req, res, next) {
+  var a = getAddr(req, res, next);
+  if (a)
+    a.update(function(err) {
+      if (err) {
+        return common.handleErrors(err, res);
+      }
+      else  {
+        return res.jsonp(a.unconfirmedBalanceSat);
+      }
+    });
+};
diff --git a/config/routes.js b/config/routes.js
index 6b206c0c..b8433448 100644
--- a/config/routes.js
+++ b/config/routes.js
@@ -37,6 +37,7 @@ module.exports = function(app) {
   app.get(apiPrefix + '/addr/:addr/balance', addressProperties.balance);
   app.get(apiPrefix + '/addr/:addr/totalReceived', addressProperties.totalReceived);
   app.get(apiPrefix + '/addr/:addr/totalSent', addressProperties.totalSent);
+  app.get(apiPrefix + '/addr/:addr/unconfirmedBalance', addressProperties.unconfirmedBalance);
 
   // Status route
   var st = require('../app/controllers/status');