Free Transportation APIs

Access real-time and historical data of any and all airborne aircraft

Get name and website-URL for airports by ICAO code

Real-time data of any marine and inland vessel equipped with AIS tracking system

Travel Search - Limited usage

Real-time Flight Status & Global Aviation Data API

FAA Aeronautical Charts and Publications, Airport Information, and Airport Weather

Access traffic data from the ADOT API

Stations and predicted arrivals for BART

Sailing times and capacities for BC Ferries

Container technical detail for the global container fleet

Search car sharing trips

Stations and predicted arrivals for MBTA

Transitland API

API for comparing flight prices across platforms

CTS Realtime API

Track deliveries, ride fares, payments and loyalty points

A-to-B routing with turn-by-turn instructions

Open APIs that deliver services in or regarding Iceland

Hotel content, rates and room bookings

Audio guide for travellers

Singapore transport information

Delays in subway lines

The open API for building cool stuff with transport data

Global public registry of electric vehicle charging locations

Free real-time ADS-B aviation data

SNCF public API

Provides safe restroom access for transgender, intersex and gender nonconforming individuals

Travel Search - Limited usage

Schiphol

German realtime gas/diesel prices

Transit Aggregation

Marta

Auckland Transport

The iRail API is a third-party API for Belgian public transport by train

Third-party VBB API

Bordeaux Métropole public transport and more (France)

Budapest public transport API

Chicago Transit Authority (CTA)

Czech transport API

RTD

Finnish transport API

Deutsche Bahn (DB) API

Grenoble public transport

RMV API (Public Transport in Hessen)

Honolulu Transportation Information

Data about buses routes, parking and traffic

TfL API

Data about positions of Metro vehicles in real time and travel their routes

TfGM transport network data

Transport APIs and dataset for Norway

OC Transpo API

RATP Open Data API

SEPTA APIs

SPTrans

Public trains of Spain

Public Transport consumer

Official Swiss Public Transport Open Data

Swiss public transport API

NS, only trains

OVAPI, country-wide public transport

TTC

Transport API and dataset for UK

NextBus API

TransLink

Washington Metro transport API

Community maintained, developer-friendly public transport API

Rating content for a hotel, restaurant, attraction or destination

Uber ride requests and price estimation

Velib Open Data API