diff --git a/api/v1/error.go b/api/v1/error.go
new file mode 100644
index 0000000..86ddb3c
--- /dev/null
+++ b/api/v1/error.go
@@ -0,0 +1,6 @@
+package v1
+type Error interface {
+	error
+	ErrHTTP() (httpStatusCode int)
+	Unwrap() error
+}