Unauthorized Backend Workflows Endpoint

I have the following problem.

{
“error_class”: “Unauthorized”,
“args”: {
“code”: “1585831820805x536676269002296100”
},
“message”: null,
“translation”: “Invalid or expired token: VirP4vfE4pBeX901”
}

I’m getting this error because the webhook sent to Bubble comes with Header Authorization.

The cause of this error is that to receive notifications (webhook or postback) from other applications, you have to pay for the bubble io plan