This API returns the Walk Score, Transit Score and Bike Score for any location.

This API returns the Walk Score, Transit Score and Bike Score for any location.

Live Walk Score API call.

Programmers can use the API to:

Integrate Walk Score into your site
Add Walk Score to your property listings
Enable searching and sorting by Walk Score
The Walk Score API is supported in the United States, Canada, Australia, and New Zealand.
API Examples
The Walk Score API as used on Zillow.com
Show the Walk Score and Transit Score of millions of properties every day.

Drop down menu that uses Walk Score as a real estate search criteria
Allow your visitors to search and sort apartments by Walk Score.