Developer Resources

Marin Transit loves developers.

We've made our schedule data available in GTFS format. You can get the latest version at

We offer real-time arrival information in GTFS-RT format at the following urls: 

Access to GTFS-RT Trip Updates and GTFS-RT Vehicle positions are via Swiftly APIs, which require access keys. Request a Swiftly API key and view the API documentation.

Send your GTFS feedback to