diff --git a/injector/bao/injector.go b/injector/bao/injector.go
index 3f0f01a..25cb327 100644
--- a/injector/bao/injector.go
+++ b/injector/bao/injector.go
@@ -449,6 +449,10 @@ func (i *SecretInjector) readBaoPath(path, versionOrData string, update bool) (m
 	return secretData, nil
 }
 
+func IsValidPrefix(value string) bool {
+	return strings.HasPrefix(value, "bao:") || strings.HasPrefix(value, ">>bao:")
+}
+
 func HasInlineBaoDelimiters(value string) bool {
 	return len(FindInlineBaoDelimiters(value)) > 0
 }
diff --git a/injector/vault/injector.go b/injector/vault/injector.go
index 5d024ef..2aa0e71 100644
--- a/injector/vault/injector.go
+++ b/injector/vault/injector.go
@@ -449,6 +449,10 @@ func (i *SecretInjector) readVaultPath(path, versionOrData string, update bool)
 	return secretData, nil
 }
 
+func IsValidPrefix(value string) bool {
+	return strings.HasPrefix(value, "vault:") || strings.HasPrefix(value, ">>vault:")
+}
+
 func HasInlineVaultDelimiters(value string) bool {
 	return len(FindInlineVaultDelimiters(value)) > 0
 }