For users using Paypal please be aware of the following, message as follows from Paypal:
Live Site Maintenance
Reminder: The maintenance originally scheduled for Aug 4 2016, 10:00 PM PT (Aug 5 2016, 06:00 AM BST) has been rescheduled for Aug 18 2016, 10:00 PM PT (Aug 19 2016, 06:00 AM BST).
Sent Aug 17, 2016 11:16 PM BST by STC
A history of updates can be found at the end of this notification
Key Times to Note:
Maintenance Start time: Aug 19, 2016 06:00 AM BST
Maintenance End time: Aug 20, 2016 06:15 AM BST
During the maintenance window indicated, there will be 5 minutes of substantial impacts to PayPal's products and services.
Expected impact to PayPal products and services may include:
Merchants may encounter an increased number of "10001 - Internal Error" and/or "520002 - Internal Error" responses for API calls.
PayPal users may also experience errors accessing the PayPal website (https://www.paypal.com) and/or the PayPal checkout flows.
PayPal REST APIs may result in HTTP 500 errors.
PayPal Here, Point of Sale, and Mobile In-Store payments may not complete. Merchants' "Store" may not show up in the PayPal Consumer App.