Hi DAIT_SG
Sorry for the delay in response.
There has been an outage in East US since yesterday on which PG is actively working on.
Please use load balance it to other available regions such as East US2 & West Central US while issue is being fixed.
Attached relevant documentation
Please don’t forget to Accept Answer and Yes for "was this answer helpful" wherever the information provided helps you, this can be beneficial to other community members.
Thank You.