GTFS Scorecard
HTTPS CORS Free
Data-quality grades and prioritized fixes for 2,400+ public transit GTFS feed records
API Endpoint
https://github.com/ChelseaKR/gtfs-scorecard/blob/main/docs/api.mdMore Transportation APIs
Access real-time and historical data of any and all airborne aircraft
HTTPS CORS ? Free
Real-time port congestion risk scores, ETA delays and waiting vessels for 15 global ports
HTTPS CORS apiKey
Get name and website-URL for airports by ICAO code
HTTPS CORS ? Free