openapi: 3.0.3
info:
  title: Transit Alerts Networks API
  description: The Transit API provides real-time public transit data including live departures, trip planning, wheelchair accessibility information, service alerts, and shared mobility availability across 900 cities in 25 countries.
  version: v3.0.0
  contact:
    name: Transit Partnership Team
    email: partners+website@transit.app
    url: https://transitapp.com/apis
  x-logo:
    url: https://transitapp.com/images/transit-logo.png
servers:
- url: https://api-doc.transitapp.com
  description: Transit API Production Server
security:
- ApiKeyAuth: []
tags:
- name: Networks
  description: Transit network and agency data
paths:
  /public/networks:
    get:
      operationId: listNetworks
      summary: List Transit Networks
      description: Returns a list of transit networks available in the Transit system. Optionally filter by geographic coordinates to get networks near a specific location.
      tags:
      - Networks
      parameters:
      - name: lat
        in: query
        required: false
        schema:
          type: number
          format: float
        description: Latitude to filter networks by proximity
      - name: lon
        in: query
        required: false
        schema:
          type: number
          format: float
        description: Longitude to filter networks by proximity
      - name: include_agencies
        in: query
        required: false
        schema:
          type: boolean
          default: false
        description: Include agency details in response
      responses:
        '200':
          description: Successful response with list of networks
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NetworksResponse'
        '401':
          description: Unauthorized - invalid or missing API key
components:
  schemas:
    Location:
      type: object
      properties:
        lat:
          type: number
          format: float
        lon:
          type: number
          format: float
        city:
          type: string
        country:
          type: string
    NetworksResponse:
      type: object
      properties:
        networks:
          type: array
          items:
            $ref: '#/components/schemas/Network'
    Network:
      type: object
      properties:
        id:
          type: string
          description: Network identifier
        name:
          type: string
          description: Network display name
        agencies:
          type: array
          items:
            $ref: '#/components/schemas/Agency'
        location:
          $ref: '#/components/schemas/Location'
    Agency:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
        timezone:
          type: string
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: Authorization
      description: API key provided after partner approval