Hello PayPal community, I created many payouts with the "notification_language" property included. According to the docs, it should be an ISO 639-2 language code, but the route returns a 400 error when I use ISO 639-2 instead of ISO 639-1. "field": "items[0].notification_language", "issue": "must match \"^[a-z]{2}(?:-[A-Z][a-z]{3})?(?:-(?:[A-Z]{2}))?$\"" So I use ISO 639-1 instead (for example: "es" for "Spanish; Castilian"). The specified language is ignored in email notifications about the received payment, the account language is used instead (French). I have tried to create payouts within the sandbox so far, but if your API works the same way for sandbox and live environments, then it is probably the right thread to write about. Here is a payload example: { "items": [ { "note": "¡Gracias por patrocinarnos!", "amount": { "value": "3", "currency": "MXN" }, "receiver": "xxxxxxxx", "recipient_type": "EMAIL", "sender_item_id": "2967919", "notification_language": "es" } ], "sender_batch_header": { "email_message": "¡Ha recibido un pago! ¡Gracias por usar nuestro servicio!", "email_subject": "¡Tiene un pago!", "sender_batch_id": "4c71bba9-b178-40d8-a68d-ba9c2e96966e" } } Could you please guide me whether I am doing something wrong or it is a bug indeed? Looking forward to hearing from you, Yulia
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