diff --git a/u_parrots.go b/u_parrots.go
index cfd78c4f..820d71d5 100644
--- a/u_parrots.go
+++ b/u_parrots.go
@@ -14,6 +14,13 @@ import (
 	"strconv"
 )
 
+// UTLSIdToSpec converts a ClientHelloID to a corresponding ClientHelloSpec.
+//
+// Exported internal function utlsIdToSpec per request.
+func UTLSIdToSpec(id ClientHelloID) (ClientHelloSpec, error) {
+	return utlsIdToSpec(id)
+}
+
 func utlsIdToSpec(id ClientHelloID) (ClientHelloSpec, error) {
 	switch id {
 	case HelloChrome_58, HelloChrome_62: