diff --git a/appstore.js b/appstore.js
index 004a0c9..7f6e357 100644
--- a/appstore.js
+++ b/appstore.js
@@ -18,17 +18,9 @@ function AppStore(origin) {
     };
 }
 
-function verifyResponse(res, errorMessage) {
-    if (res.statusCode < 200 || res.statusCode > 299) {
-        debug('Response error statusCode:%s error:%s body:%j', res.statusCode, res.error, res.body);
-        debug(errorMessage.red);
-        throw new Error(errorMessage);
-    }
-}
-
 AppStore.prototype.getAccessToken = function (user) {
     var res = request.get(this._origin + '/api/v1/login').auth(user.email, user.password).end();
-    verifyResponse(res, 'Could not login as user:' + user.email + ' password:' + user.password);
+    common.verifyResponse(res, 'Could not login as user:' + user.email + ' password:' + user.password);
     return res.body.accessToken;
 };
 
@@ -46,7 +38,7 @@ AppStore.prototype.waitForCloudron = function (boxId) {
         sleep(10);
         process.stdout.write('.');
         res = request.get(this._origin + '/api/v1/cloudrons/' + boxId).query({ accessToken: this._credentials.accessToken }).end();
-        verifyResponse(res, 'Could not query cloudron status');
+        common.verifyResponse(res, 'Could not query cloudron status');
 
         boxInfo = res.body.box;
         if (boxInfo.status === 'ready') {
@@ -72,7 +64,7 @@ AppStore.prototype.waitForCloudron = function (boxId) {
 AppStore.prototype.createCloudron = function (box) {
     var accessToken = this._credentials.accessToken;
     var res = request.post(this._origin + '/api/v1/cloudrons').send(box).query({ accessToken: accessToken }).end();
-    verifyResponse(res, 'Could not create cloudron');
+    common.verifyResponse(res, 'Could not create cloudron');
 
     debug('Cloudron %s created'.green, box.domain);
     return res.body.box;
@@ -84,18 +76,18 @@ AppStore.prototype.deleteCloudron = function (box) {
         .set('X-HTTP-Method-Override', 'DELETE')
         .send({ password: this._credentials.password })
         .end();
-    verifyResponse(res, 'Could not delete cloudron');
+   common. verifyResponse(res, 'Could not delete cloudron');
 };
 
 AppStore.prototype.getManifest = function (appId, version) {
     var res = request.get(this._origin + '/api/v1/apps/' + appId + '/versions/' + version).end();
-    verifyResponse(res, 'Could not get get app manifest');
+    common.verifyResponse(res, 'Could not get get app manifest');
     return res.body.manifest;
 };
 
 AppStore.prototype.restore = function (boxId, backupId) {
     var res = request.post(this._origin + '/api/v1/cloudrons/' + boxId + '/restore/' + backupId).query({ accessToken: this._credentials.accessToken }).end();
-    verifyResponse(res, 'Could not restore cloudron');
+    common.verifyResponse(res, 'Could not restore cloudron');
 };
 
 AppStore.prototype.setupBilling = function (callback) {
@@ -121,7 +113,7 @@ AppStore.prototype.setupBilling = function (callback) {
         };
 
         var res = request.put(that._origin + '/api/v1/users').send(data).query({ accessToken: that._credentials.accessToken }).end();
-        verifyResponse(res, 'Could not setup billing');
+        common.verifyResponse(res, 'Could not setup billing');
 
         callback(null);
     });