Customers are reporting error messages from the Airports (reference) API. We are currently investigating and will provide another update by 2:00 PM UTC -8 today.
Affected URI endpoints include:
https://api.flightstats.com/flex/airports/rest/v1/{format}/active
https://api.flightstats.com/flex/airports/rest/v1/{format}/all
https://api.flightstats.com/flex/airports/rest/v1/{format}/withinRadius/{longitude}/{latitude}/{radiusMiles}