diff --git a/pkg/router/interfaces.go b/pkg/router/interfaces.go
new file mode 100644
index 0000000..023f80c
--- /dev/null
+++ b/pkg/router/interfaces.go
@@ -0,0 +1,11 @@
+package router
+
+import "context"
+
+type UserProvider interface {
+	GetUserId(ctx context.Context, userUuid string) (int64, error)
+}
+
+type AuthChecker interface {
+	VerifySession(ctx context.Context, sessionUuid string, serviceId int32) (string, error)
+}