How to Choose the Best Transportation API in 2026
There are 69 Transportation APIs in our directory. Of these, 27 require no authentication, making them ideal for quick prototyping. 27 are rated beginner-friendly.
Scores last tested: 2026-08-10
Quick Comparison: Top 10 Transportation APIs
Ranked by API Score. Measured means we called a real endpoint of that API; Est. means the score is derived from metadata because the endpoint could not be called without credentials. Discontinued APIs are excluded.
| Name | API Score | Auth | HTTPS | CORS | Difficulty |
|---|---|---|---|---|---|
| Transport for Sweden | 95 A+ Measured | OAuth | ✓ | ? | Advanced |
| airportsapi | 87 A Est. | No Auth | ✓ | ? | Beginner |
| Icelandic APIs | 87 A Est. | No Auth | ✓ | ? | Beginner |
| Open Charge Map | 87 A Est. | API Key | ✓ | ✓ | Intermediate |
| TransitLand | 87 A Est. | No Auth | ✓ | ? | Beginner |
| Transport for Norway | 87 A Est. | No Auth | ✓ | ? | Beginner |
| Transport for Auckland, New Zealand | 82 A Est. | No Auth | ✓ | ? | Beginner |
| Transport for Czech Republic | 82 A Est. | No Auth | ✓ | ? | Beginner |
| Transport for Los Angeles, US | 82 A Est. | No Auth | ✓ | ? | Beginner |
| Transport for Vancouver, Canada | 81 A Est. | OAuth | ✓ | ? | Advanced |
Free Transportation APIs (No Auth)
These APIs require no API key or signup. Start using them immediately.
ADS-B Exchange
⭐ Beginner's PickADS-B Exchange is a community-driven API that provides real-time and historical position data for aircraft around the world.
airportsapi
⭐ Beginner's PickThe airportsapi lets you look up airport names and official website URLs by providing an ICAO code.
BC Ferries
⭐ Beginner's PickThe 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
⭐ Beginner's PickCommunity Transit (Transitland) is a free, open API that aggregates public transit data from hundreds of agencies worldwide including routes, stops, and schedules.
Icelandic APIs
⭐ Beginner's PickThe 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
Metro Lisboa API provides real-time delay information for Lisbon subway lines.
Try It in 5 Minutes: ADS-B Exchange
Quick implementation example using ADS-B Exchange.
Using curl
curl "https://adsbexchange.com/api/aircraft/json/lat/37.62/lon/-122.38/dist/25/"
JavaScript
const url = "https://adsbexchange.com/api/aircraft/json/lat/37.62/lon/-122.38/dist/25/";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); New to APIs? Read our Getting Started Guide →
Frequently Asked Questions
How many Transportation APIs are available?
There are 69 Transportation APIs in our directory as of 2026.
Are there free Transportation APIs?
Yes, 27 Transportation APIs require no authentication and are completely free to use.
What is the easiest Transportation API to use?
ADS-B Exchange is one of the easiest to get started with. It is rated as beginner-level and requires no authentication.
Do I need an API key for Transportation APIs?
It depends. 27 APIs need no authentication, 29 require an API key, and 9 use OAuth.