Some of our customers are getting the following error:
"The AppKey submitted with this request is invalid."
The URL that we are using to access the MapQuest API is: http://www.mapquestapi.com/sdk/leaflet/v2.2/mq-map.js?key=[AppKey]
When an affected customer uses VPN to change region, their map starts working again. When they disconnect, the error returns.
Customers in regions that appear to work ok: Europe, USA
Customers in regions who get an error: Singapore, Canada
Are app keys subject to regional checks? Could there be an issue with MapQuest CDN that causes some regions to reject our app key? This issue has been happening over the past several months (possibly up to a year) so it's not a sporadic or recent issue.