Category
🚌

Transportation

Transportation APIs for real-time public transit schedules, flight tracking by route or registration, vehicle data lookup, ride-share pricing, and multi-modal route planning across global cities.

2APIs
Most Popular In
Public Transit & GTFSFlight TrackingMulti-Modal Routing
Auth Breakdown
OAuth50%
API Key50%
Notable Developers
Google Maps DirectionsOpenSky NetworkTransitlandHERE RoutingFlixBus
Updated Jun 12, 2026
Curated by FreeAPIHub editors
Topics:Public Transit & GTFSFlight TrackingMulti-Modal RoutingVehicle DataRide-Share PricingFleet Management
2 of 2
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OpenSky Network API logo

OpenSky Network API

πŸ”₯ Hot
Transportation

The OpenSky Network API gives free access to live air-traffic data from a community ADS-B sensor network. Fetch real-time aircraft state vectors - position, altitude, velocity and callsign - as JSON.

Free tierOAuth
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AviationStack API logo

AviationStack API

πŸ”₯ Hot
Transportation

Aviationstack is a real-time flight tracking API: query live and historical flights, plus airport, airline, route and aircraft lookups, all as JSON with a free monthly tier.

Free tierAPI Key
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Compare the top Transportation APIs

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OpenSky Network API logo
OpenSky Network API
Free tierOAuthRESTJSONβ€”View
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AviationStack API
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About this category

Transportation β€” developer guide

What Are Transportation APIs?

Transportation APIs connect applications to the complex data streams of global mobility β€” bus and train schedules, live flight positions, vehicle registrations, ride-share pricing, and multi-modal journey planning across cities. They're used to build travel apps, logistics platforms, fleet management tools, commuter assistants, and smart-city dashboards that help millions of people navigate the world more efficiently every day. The richness of the data depends heavily on the region: real-time GTFS transit feeds are excellent in the US and Europe; other regions may require provider-specific APIs with varying update frequencies.

What Developers Build

  • Commuter apps showing real-time bus and train arrival times and service disruptions
  • Flight tracking apps displaying aircraft positions, delay predictions, and terminal gate changes
  • Multi-modal trip planners combining train, bus, bike-share, and ride-share into a single itinerary
  • Fleet management dashboards tracking vehicle positions, mileage, and maintenance schedules
  • Vehicle history lookup tools that return ownership, accident, and MOT records by registration plate
  • Logistics route optimisers that factor in real-time traffic, ferry schedules, and border crossing times

Key Transportation API Providers

Google Maps Directions API provides multi-modal routing including driving, transit, walking, and cycling for 195+ countries. OpenSky Network API gives free access to real-time ADS-B flight data for 30,000+ aircraft β€” ideal for flight tracking applications. Transitland API aggregates GTFS feeds from 2,500+ transit agencies worldwide into a unified API, free for developers. FlixBus API provides European and North American coach travel timetables and booking integration. HERE Routing API is the enterprise standard for truck routing that accounts for vehicle dimensions, hazmat restrictions, and weight limits.