No further message delivery delays have been observed, this issue is resolved.
Monitoring · UTC
The rate limiting issue has been addressed and messages are now being delivered. We are continuing to monitor the situation.
Update · UTC
We have identified an issue with rate limiting on the Turn API affecting message delivery.
The above issue is impacting all customers on our shared cluster at https://whatsapp.turn.io. Private cloud customers are not affected.
We are working to resolve the issue as quickly as possible.