This incident has been resolved. The root of the problem was in one of the Payment Gateways, WorldPay, who has confirmed the impact has ended.
Posted Jul 20, 2020 - 14:39 PDT
Update
We are continuing to monitor for any further issues.
Posted Jul 20, 2020 - 04:00 PDT
Monitoring
Our team has identified that the Worldpay Gateway is intermittently returning "Temporary Failure, please retry". We have contacted the payment gateway and we are currently monitoring transactions.