diff --git a/api/webserver/main.go b/api/webserver/main.go
index <HASH>..<HASH> 100644
--- a/api/webserver/main.go
+++ b/api/webserver/main.go
@@ -45,6 +45,8 @@ func main() {
 	repository.RunAgent()
 	m := pat.New()
 
+	m.Get("/services/instances", AuthorizationRequiredHandler(service.ListServiceInstances))
+
 	m.Post("/services", AuthorizationRequiredHandler(service.CreateHandler))
 	m.Get("/services", AuthorizationRequiredHandler(service.ServicesHandler))
 	m.Del("/services/:name", AuthorizationRequiredHandler(service.DeleteHandler))
api/webserver: register ListServiceInstances handler

This handler will answer for GET requests in the url
/services/instances.