Is there any way to check the type of error if a webhook notification shows "FAILED"? August 14, 2024 04:33 No. There is no means to check the type of error. Contact us if you are required to identify it. Enquiry form エラー / Error ウェブフック / Webhook Related articles What should I do if I cannot receive webhooks? Please tell me why the "SESSION_NOT_FOUND" error is returned when fetching the status of Account Link QR Code? What types of webhooks does PayPay notify? How long will it take to send a webhook notification upon cashback failure? Is using a webhook mandatory?