Webhook issue in sandbox

[AshvinChauhan]

Suddenely webhook events are stopped working in sandbox account.
I am using webhook in paypal standard payment, and I found that webhook events are not working today.
It was working fine till, but its not working from today.

Please help me out. 
Thanks

[MTS_Justin]

Hello,

We experienced an issue with webhooks in the sandbox environment recently and the issue was only resolved on the 23rd November.

Please try again today and let me know if the issue persists.