Error connecting callback webhook url of whatsapp in meta configuration

[ajaysehwal]

Webhook
To get alerted when you receive a message or when a message's status has changed, you need to set up a Webhooks endpoint for your app. Learn how to configure Webhooks.
The callback URL or verify token couldn't be validated. Please verify the provided information or try again later.
Callback URL
https://eu.rtmv3.tiledesk.com/api/modules/whatsapp/webhook/677385cc186e6100121a8ab1
Verify token
3a8c9f19-9118-408c-94c1-2886b2d6e298

Attach a client certificate to Webhook requests

And On This Url https://eu.rtmv3.tiledesk.com/api/modules/whatsapp/webhook/677385cc186e6100121a8ab1 it show Forbidden