diff --git a/protocol/messenger_images.go b/protocol/messenger_images.go
new file mode 100644
index 000000000..c4cff9468
--- /dev/null
+++ b/protocol/messenger_images.go
@@ -0,0 +1,7 @@
+package protocol
+
+import "fmt"
+
+func (m *Messenger) ImageServerURL() string {
+	return fmt.Sprintf("https://localhost:%d/messages/", m.imageServer.Port)
+}
diff --git a/services/ext/api.go b/services/ext/api.go
index 8c57c2f85..61dafdbc1 100644
--- a/services/ext/api.go
+++ b/services/ext/api.go
@@ -967,6 +967,10 @@ func (api *PublicAPI) BackupData() (uint64, error) {
 	return api.service.messenger.BackupData(context.Background())
 }
 
+func (api *PublicAPI) ImageServerURL() string {
+	return api.service.messenger.ImageServerURL()
+}
+
 // -----
 // HELPER
 // -----