Transport for United States
HTTP CORS ? Free
NextBus API
API Endpoint
https://retro.umoiq.com/xmlFeedDocs/NextBusXMLFeed.pdfMore Transportation APIs
Access real-time and historical data of any and all airborne aircraft
HTTPS CORS ? Free
Get name and website-URL for airports by ICAO code
HTTPS CORS ? Free
Real-time data of any marine and inland vessel equipped with AIS tracking system
HTTP CORS ? apiKey