diff --git a/app/controllers/api/account.php b/app/controllers/api/account.php
index 53168f0b9a..4ee18acaf6 100644
--- a/app/controllers/api/account.php
+++ b/app/controllers/api/account.php
@@ -2866,6 +2866,7 @@ App::post('/v1/account/verification/phone')
     ->desc('Create phone verification')
     ->groups(['api', 'account', 'auth'])
     ->label('scope', 'account')
+    ->label('auth.type', 'phone')
     ->label('event', 'users.[userId].verification.[tokenId].create')
     ->label('audits.event', 'verification.create')
     ->label('audits.resource', 'user/{response.userId}')
diff --git a/app/controllers/shared/api.php b/app/controllers/shared/api.php
index 41aa7f607d..cf99723586 100644
--- a/app/controllers/shared/api.php
+++ b/app/controllers/shared/api.php
@@ -365,7 +365,7 @@ App::init()
                 break;
 
             default:
-                throw new Exception(Exception::USER_AUTH_METHOD_UNSUPPORTED, 'Unsupported authentication route');
+                throw new Exception(Exception::USER_AUTH_METHOD_UNSUPPORTED, 'Unsupported authentication type: ' . $route->getLabel('auth.type', ''));
                 break;
         }
     });