How to Choose the Best Transportation API in 2026

There are 69 Transportation APIs in our directory. Of these, 31 require no authentication, making them ideal for quick prototyping. 31 are rated beginner-friendly.

Last updated: April 2026

Quick Comparison: Top 10 Transportation APIs

Name Auth HTTPS CORS Difficulty
ADS-B Exchange No Auth ? Beginner
airportsapi No Auth ? Beginner
AIS Hub API Key ? Intermediate
Amadeus for Developers OAuth ? Advanced
apilayer aviationstack OAuth ? Advanced
AviationAPI No Auth Beginner
AZ511 API Key ? Intermediate
Bay Area Rapid Transit API Key ? Intermediate
BC Ferries No Auth Beginner
BIC-Boxtech OAuth ? Advanced

Free Transportation APIs (No Auth)

These APIs require no API key or signup. Start using them immediately.

Try It in 5 Minutes: ADS-B Exchange

Quick implementation example using ADS-B Exchange.

Using curl

curl https://www.adsbexchange.com/data/

JavaScript

const url = "https://www.adsbexchange.com/data/";
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, 31 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. 31 APIs need no authentication, 29 require an API key, and 9 use OAuth.

Explore Transportation APIs