Free Transportation APIs

ADS-B Exchange is a community-driven API that provides real-time and historical position data for aircraft around the world.

The airportsapi lets you look up airport names and official website URLs by providing an ICAO code.

The BC Ferries API is a free, open API providing real-time sailing schedules, capacity, and current conditions for BC Ferries routes in British Columbia, Canada.

Community Transit (Transitland) is a free, open API that aggregates public transit data from hundreds of agencies worldwide including routes, stops, and schedules.

The Icelandic APIs project (apis.is) provides a collection of free, open APIs exposing various Icelandic public data including flights, currency rates, and public transportation.

Metro Lisboa API provides real-time delay information for Lisbon subway lines.

REFUGE Restrooms API helps users find safe, gender-neutral restrooms for transgender, intersex, and gender nonconforming individuals.

TransitLand is an open transit data aggregation platform that collects GTFS feeds from transit agencies around the world.

The MARTA (Metropolitan Atlanta Rapid Transit Authority) API provides real-time train and bus arrival data for the Atlanta, Georgia public transit system.

Transport for Auckland (AT) provides real-time public transport data for New Zealand's largest city.

The iRail API gives you free access to Belgian railway timetables, live train positions, and station information.

The VBB REST API (Transport for Berlin) offers real-time public transport data for Berlin and Brandenburg, Germany.

The BKK FUTAR API provides real-time public transport data for Budapest, Hungary, including bus, tram, metro, and trolleybus information.

The IDOS API provides public transport connection search for the Czech Republic, covering buses, trains, and urban transit.

Digitransit is Finland's national open public transport platform, offering a GraphQL API for routing, stop information, and real-time data across Finnish cities.

The Grenoble Mobilites-M API provides open public transport data for the Grenoble metropolitan area in France, including bus and tram schedules and stop information.

The RMV API provides public transport data for the Hessen region in Germany, including schedules, routes, and real-time departures.

The LA Metro API provides real-time positions of Metro buses and trains across Los Angeles, along with route and schedule data.

Entur is the Norwegian national journey planner API, providing comprehensive public transport data covering trains, buses, ferries, and trams across all of Norway.

The RATP Open Data API provides access to schedule, stop, and network data for Paris public transport, including the Metro, RER, buses, and trams.

The SEPTA API provides real-time and scheduled transit data for Philadelphia's public transportation system, including buses, subway, regional rail, and trolleys.

Transport for Spain provides access to public train data from Renfe, Spain's national rail operator.

Transport for Switzerland (transport.opendata.ch) is a free, community-maintained API for querying Swiss public transport connections, stations, and live departure boards.

Transport for The Netherlands (OVAPI) provides country-wide public transport data covering buses, trams, metros, and ferries across the Netherlands via the KV78Turbo protocol.

Transport for United States (NextBus API) provides real-time public transit predictions for buses and light rail in various US cities.

transport.rest is a community-maintained, developer-friendly public transport API that provides free access to transport data for European networks including Deutsche Bahn (Germany) and the Netherlands.

The Velib Metropolis API provides real-time open data for Paris's bike-sharing service, including station locations, bike availability, and dock counts.