Welcome to Metro’s developer site – this is a website for technical individuals and entities who are using transportation and multi-modal data in interesting ways. Since first releasing our transit data in the summer of 2009, numerous developers have incorporated our data into their applications — you can see a list of featured applications here.

Metro Developer's Challenge

New Items!

Getting Started

Become a member: Joining is FREE and will allow you to comment and have direct communication with our developers responsible for each data sets.

Get an API Key: You must have a valid API Key to utilize the Trip Planner Information Feed. You will be assigned a key at registration. Check your profile page to retrieve your API key.

Read the Policies: Please familiarize yourself with our Terms and Conditions, and Policies for using the various data and this website.

Read the Trip Planner Information Feed documentation: The web services offers data from 65+ Southern California transit agencies.

Read the FAQ: Questions about this site, the data or tools needed to utilize the data.