Refer to the information below for more details on common notification errors and how to troubleshoot them.
Webhook test failed with status code 400 400 Bad Request
This error can occur when you try to configure a webhook that is not currently supported, such as setting up a PagerDuty webhook.
Deleted users are still receiving notifications
When you remove a user from your account via Manage Account > Members in the Cloudflare dashboard, their email address is not removed from existing notifications.