We are investigating reports of problems with new account signup and failures in the Squarespace Commerce USPS service. Our operations team is actively investigating.
We apologize for the inconvenience and thank you for your patience.
UPDATE - 3:08 PM ET
We have identified the root cause of the issue with an upstream network provider. Services have started to return to normal.
UPDATE - 3:24 PM ET
All services have returned to normal. Thanks for your patience. Please contact Squarespace Customer Care if you need assistance.