Web Services API
All of TriMet's web services are read-only in nature, use HTTP or HTTPS as the transport mechanism, with HTTP GET as the method to call the service. Each web service begins with a base URL followed by parameters and arguments. The service arguments are seperated by either a forward slash ("/") as part of the URL path, or GET parameters with the standard "?/&/=" separators.
An application id (AppID) is a required parameter to all TriMet web service calls. Thus, before using the services, register for an AppID here.
Example service calls
First using slashes to separate the service parameters:
"https://developer.trimet.org/ws/V1/arrivals/locIDs/6849,6850/appID/0000000000000000000000000"
Second, using the HTTP GET parameters style:
"https://developer.trimet.org/ws/V1/arrivals?locIDs=6849,6850&appID=0000000000000000000000000"
Available web services
| Alerts V2 | Reports alerts currently in effect by route or location ID. |
| Vehicles | Latest vehicle positions. |
| Arrivals V2 | Reports arrivals at a stop identified by location ID. |
| Deprecated: Arrivals | Reports next arrivals at a stop identified by location ID. |
| Deprecated: Detours | Retrieves a list of detours currently in effect by route. |
| RouteConfig | Retrieves a list of routes being reported by TransitTracker from the active schedule, optionally a list of directions for those routes and stops in each of those directions. |
| Stop Location | Returns stops that are within a geographically defined area or within a distance of a point. |
| Beta: Stop Location V2 | Returns stops that are within a geographically defined area or within a distance of a point and optionally arrivals for those stops. |
| Beta: Trip Status V2 | Reports the status of trips scheduled to be in service now or that start within an hour. Trips further away than an hour may be included when they have been modified from regular service. |
| Beta: Block Status V2 | Reports the status of blocks and their trips scheduled to be in service now or that start within an hour. Trips further away than an hour may be included when they have been modified from regular service. |
| Trip Planner | Plan trips between two locations programmatically. |