Walk Score

Walk Score Stops API

Transit stop search and details

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OpenAPI Specification

openapi: 3.0.3
info:
  title: Walk Score Cities Stops API
  description: The Walk Score API returns Walk Score, Transit Score, and Bike Score for any location in the United States and Canada. Walk Score measures the walkability of any address on a scale from 0-100. Transit Score measures access to public transit and Bike Score measures bikeability. The API is used by real estate platforms, urban planning tools, commute calculators, and location intelligence applications.
  version: 1.0.0
  contact:
    url: https://www.walkscore.com/professional/api.php
  termsOfService: https://www.walkscore.com/professional/terms.php
servers:
- url: https://api.walkscore.com
  description: Walk Score API
security:
- apiKey: []
tags:
- name: Stops
  description: Transit stop search and details
paths:
  /transit/search/stops/:
    get:
      operationId: searchTransitStops
      summary: Search Transit Stops
      description: Returns information about up to 16 transit stops near a given location, where each stop services a unique route. Each stop includes route details, distances, and summary text. Used to surface nearby transit options with route service information.
      tags:
      - Stops
      parameters:
      - name: wsapikey
        in: query
        required: true
        schema:
          type: string
        description: Your Walk Score API key
      - name: lat
        in: query
        required: true
        schema:
          type: number
          format: double
        description: Search latitude
        example: 40.6678248
      - name: lon
        in: query
        required: true
        schema:
          type: number
          format: double
        description: Search longitude
        example: -73.8330133
      responses:
        '200':
          description: Array of nearby transit stops with route information
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/TransitStop'
        '400':
          description: Invalid parameters
  /transit/search/network/:
    get:
      operationId: searchTransitNetwork
      summary: Search Transit Network
      description: Advanced API call that returns detailed information about all routes and stops within one mile of a location. Returns a comprehensive network object with routes dictionary and stops dictionary, where routes contain stop IDs and stops contain route IDs.
      tags:
      - Stops
      parameters:
      - name: wsapikey
        in: query
        required: true
        schema:
          type: string
        description: Your Walk Score API key
      - name: lat
        in: query
        required: true
        schema:
          type: number
          format: double
        description: Search latitude
        example: 40.6678248
      - name: lon
        in: query
        required: true
        schema:
          type: number
          format: double
        description: Search longitude
        example: -73.8330133
      responses:
        '200':
          description: Transit network with all routes and stops within one mile
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TransitNetwork'
        '400':
          description: Invalid parameters
  /transit/stop/{stopId}/:
    get:
      operationId: getTransitStop
      summary: Get Transit Stop
      description: Returns details for a single transit stop by its identifier, including coordinates, name, and list of route IDs that serve the stop.
      tags:
      - Stops
      parameters:
      - name: stopId
        in: path
        required: true
        schema:
          type: string
        description: Stop identifier (e.g. s17737)
        example: s17737
      - name: wsapikey
        in: query
        required: true
        schema:
          type: string
        description: Your Walk Score API key
      responses:
        '200':
          description: Transit stop details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TransitStopDetail'
              example:
                id: s17737
                lat: 47.6107025
                lon: -122.340332
                name: 2nd Ave & Stewart St
                route_ids:
                - r415
                - r282
                - r403
                - r375
                - r367
        '400':
          description: Invalid stop ID
components:
  schemas:
    TransitStopDetail:
      type: object
      properties:
        id:
          type: string
          description: Stop identifier
        lat:
          type: number
          format: double
          description: Stop latitude
        lon:
          type: number
          format: double
          description: Stop longitude
        name:
          type: string
          description: Stop name or intersection
        route_ids:
          type: array
          items:
            type: string
          description: List of route IDs serving this stop
    TransitRouteNetwork:
      type: object
      properties:
        id:
          type: string
          description: Route identifier
        name:
          type: string
          description: Route name
        category:
          type: string
          enum:
          - Rail
          - Bus
          - Other
          description: Transit category
        stop_ids:
          type: array
          items:
            type: string
          description: List of stop IDs on this route
    TransitStopNetwork:
      type: object
      properties:
        id:
          type: string
          description: Stop identifier
        lat:
          type: number
          format: double
          description: Stop latitude
        lon:
          type: number
          format: double
          description: Stop longitude
        name:
          type: string
          description: Stop name
        route_ids:
          type: array
          items:
            type: string
          description: List of route IDs serving this stop
    TransitStop:
      type: object
      properties:
        id:
          type: string
          description: Stop identifier
          example: s17737
        lat:
          type: number
          format: double
          description: Stop latitude
        lon:
          type: number
          format: double
          description: Stop longitude
        name:
          type: string
          description: Stop name or intersection
          example: 2nd Ave & Stewart St
        distance:
          type: number
          format: double
          description: Distance in miles from search point
        summary_text:
          type: string
          description: Plain text description of stop and services
        summary_html:
          type: string
          description: HTML-formatted description of stop and services
        route_summary:
          type: array
          items:
            $ref: '#/components/schemas/RouteSummary'
    RouteSummary:
      type: object
      properties:
        id:
          type: string
          description: Route identifier
        name:
          type: string
          description: Route name
        short_name:
          type: string
          description: Short route name or number
        long_name:
          type: string
          description: Full route name
        category:
          type: string
          enum:
          - Rail
          - Bus
          - Other
          description: Transit category
        agency:
          type: string
          description: Transit agency name
        agency_url:
          type: string
          format: uri
          description: Transit agency website
        color:
          type: string
          description: Route color as hex value
          example: 003087
        text_color:
          type: string
          description: Route text color as hex value
          example: ffffff
        description:
          type: string
          description: Route description
    TransitNetwork:
      type: object
      properties:
        routes:
          type: object
          additionalProperties:
            $ref: '#/components/schemas/TransitRouteNetwork'
          description: Map of route ID to route details including stop IDs
        stops:
          type: object
          additionalProperties:
            $ref: '#/components/schemas/TransitStopNetwork'
          description: Map of stop ID to stop details including route IDs
  securitySchemes:
    apiKey:
      type: apiKey
      in: query
      name: wsapikey
      description: Walk Score API key, contact Walk Score to obtain