Sound Transit Trips API
Trip details and active vehicle positions
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OpenAPI Specification
openapi: 3.2.0
info:
title: Sound Transit OneBusAway Agencies Trips API
description: The Sound Transit OneBusAway API provides access to real-time and scheduled transit data for the Puget Sound region including routes, stops, arrivals, departures, and vehicle positions. Supports real-time data for the 1 Line, 2 Line, T Line, and ST Express bus routes.
version: '2.0'
contact:
name: Sound Transit Open Transit Data
email: open_transit_data@soundtransit.org
url: https://www.soundtransit.org/help-contacts/business-information/open-transit-data-otd
license:
name: Open Data
url: https://www.soundtransit.org/help-contacts/business-information/open-transit-data-otd/transit-data-terms-use
servers:
- url: https://api.pugetsound.onebusaway.org/api/where
description: Puget Sound OneBusAway API
tags:
- name: Trips
description: Trip details and active vehicle positions
paths:
/trip/{id}.json:
get:
operationId: getTrip
summary: Get Trip
description: Retrieve details for a specific transit trip.
tags:
- Trips
parameters:
- name: id
in: path
required: true
description: Trip identifier
schema:
type: string
- $ref: '#/components/parameters/ApiKey'
responses:
'200':
description: Trip details
content:
application/json:
schema:
$ref: '#/components/schemas/TripResponse'
/trip-details/{id}.json:
get:
operationId: getTripDetails
summary: Get Trip Details
description: Get extended details for a trip including stop times and schedule deviation.
tags:
- Trips
parameters:
- name: id
in: path
required: true
description: Trip identifier
schema:
type: string
- name: serviceDate
in: query
required: false
description: Service date in milliseconds since Unix epoch
schema:
type: integer
format: int64
- $ref: '#/components/parameters/ApiKey'
responses:
'200':
description: Extended trip details
content:
application/json:
schema:
$ref: '#/components/schemas/TripDetailsResponse'
/trips-for-route/{id}.json:
get:
operationId: listTripsForRoute
summary: List Trips For Route
description: Get all currently active trips for a specific route.
tags:
- Trips
parameters:
- name: id
in: path
required: true
description: Route identifier
schema:
type: string
- name: includeStatus
in: query
required: false
description: Include real-time status information
schema:
type: boolean
- $ref: '#/components/parameters/ApiKey'
responses:
'200':
description: Active trips for the route
content:
application/json:
schema:
$ref: '#/components/schemas/TripsResponse'
/trips-for-location.json:
get:
operationId: listTripsForLocation
summary: List Trips For Location
description: Get all active trips near a geographic location.
tags:
- Trips
parameters:
- name: lat
in: query
required: true
schema:
type: number
format: float
- name: lon
in: query
required: true
schema:
type: number
format: float
- name: latSpan
in: query
required: true
description: Latitude span for the bounding box
schema:
type: number
format: float
- name: lonSpan
in: query
required: true
description: Longitude span for the bounding box
schema:
type: number
format: float
- $ref: '#/components/parameters/ApiKey'
responses:
'200':
description: Active trips near the location
content:
application/json:
schema:
$ref: '#/components/schemas/TripsResponse'
components:
schemas:
TripResponse:
allOf:
- $ref: '#/components/schemas/BaseResponse'
- type: object
properties:
data:
type: object
properties:
entry:
$ref: '#/components/schemas/Trip'
BaseResponse:
type: object
properties:
code:
type: integer
description: HTTP status code
currentTime:
type: integer
format: int64
description: Current server time in milliseconds
text:
type: string
description: Human-readable status message
version:
type: integer
description: API version
TripsResponse:
allOf:
- $ref: '#/components/schemas/BaseResponse'
- type: object
properties:
data:
type: object
properties:
list:
type: array
items:
$ref: '#/components/schemas/Trip'
TripDetailsResponse:
allOf:
- $ref: '#/components/schemas/BaseResponse'
- type: object
properties:
data:
type: object
properties:
entry:
type: object
properties:
tripId:
type: string
serviceDate:
type: integer
format: int64
status:
type: object
stopTimes:
type: array
items:
type: object
Trip:
type: object
properties:
id:
type: string
routeId:
type: string
serviceId:
type: string
tripHeadsign:
type: string
tripShortName:
type: string
directionId:
type: string
shapeId:
type: string
blockId:
type: string
parameters:
ApiKey:
name: key
in: query
required: true
description: API key obtained from Sound Transit (contact oba_api_key@soundtransit.org)
schema:
type: string