My Alerts 
OPEN DATA
Welcome to the Developers section. The STM wishes to provide developers with data about its bus schedules and routes and information about its metro service.
GTFS - realtime data (real-time bus schedules and locations) and API i3 (métro and bus service updates)
To access the GTFS - realtime
data and the API i3, connect
to the STM developer portal
To access the GTFS - realtime data and the API i3, connect to the STM developer portal
- More information about GTFS realtime
- Documentation on how to use our API can be found on the STM developer portal
GTFS data (bus schedules and métro frequency)
- Description of available data and a few STM specifications
- More information about GTFS (General Transit Feed Specification)
The schedules will change on the following dates:
January 6, March 24, June 16, August 25 and October 27, 2025
The GTFS data are usually available 10 days before the schedule change .
Shapefile format for Geographic Information Systems (GIS)
Bus lines (shapes.txt) and bus stops (stops.txt) in the GTFS are available in shapefile format for easier integration into GIS. Shapefile specifications are available here.
Files available in MTM NAD83 Zone 8.
USER LICENCE
By downloading the data contained in this section, you agree to these Terms of Use, as they may be updated and changed from time to time by the STM, at its entire discretion. If you do not agree to them, you must not use the site or download any material from it.
MOBILES APPS GALLERY
There is a page on this website where all the transit apps using the STM data are listed. You'll see a description and a logo for each app. With this information, the clients will be able to find the app that suits their needs.
CONTACT US
Use the following email address to send us your questions and comments: dev@stm.info. You can also ask your questions on the open data forum.