openapi: 3.1.0
info:
  title: Tomorrow.io Alerts Realtime API
  version: '4.0'
  description: 'Create, manage, and trigger weather-based alerts. Alerts evaluate Tomorrow.io

    weather data layers against custom thresholds for one or more linked locations

    and deliver notifications via webhook, email, and the Tomorrow.io app.

    '
  contact:
    name: Tomorrow.io Support
    url: https://support.tomorrow.io
servers:
- url: https://api.tomorrow.io/v4
  description: Tomorrow.io Production
security:
- apikeyAuth: []
tags:
- name: Realtime
  description: Current weather conditions for a point or location.
paths:
  /weather/realtime:
    get:
      tags:
      - Realtime
      summary: Get Realtime Weather
      operationId: getRealtimeWeather
      description: 'Retrieve the current weather conditions for a given latitude/longitude or

        named location, including temperature, wind, precipitation, humidity, UV,

        and 60+ optional data layers.

        '
      parameters:
      - name: location
        in: query
        required: true
        description: Either 'lat,lng' or a Tomorrow.io locationId.
        schema:
          type: string
      - name: units
        in: query
        schema:
          type: string
          enum:
          - metric
          - imperial
          default: metric
      - name: apikey
        in: query
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Realtime weather payload.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RealtimeResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
components:
  responses:
    RateLimited:
      description: Rate limit exceeded for the plan tier.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Missing or invalid API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  schemas:
    Location:
      type: object
      properties:
        lat:
          type: number
          format: float
        lon:
          type: number
          format: float
        name:
          type: string
        type:
          type: string
    ErrorResponse:
      type: object
      properties:
        code:
          type: integer
        type:
          type: string
        message:
          type: string
    WeatherValues:
      type: object
      description: Subset of the 60+ Tomorrow.io data layers requested via the fields parameter.
      properties:
        temperature:
          type: number
          description: Air temperature in C or F depending on units.
        temperatureApparent:
          type: number
        humidity:
          type: number
        windSpeed:
          type: number
        windDirection:
          type: number
        windGust:
          type: number
        precipitationIntensity:
          type: number
        precipitationProbability:
          type: number
        precipitationType:
          type: integer
        cloudCover:
          type: number
        visibility:
          type: number
        pressureSurfaceLevel:
          type: number
        uvIndex:
          type: integer
        weatherCode:
          type: integer
          description: Tomorrow.io weather code (e.g. 1000 Clear, 4000 Drizzle, 5000 Snow).
        epaIndex:
          type: integer
        treeIndex:
          type: integer
        grassIndex:
          type: integer
        weedIndex:
          type: integer
    RealtimeResponse:
      type: object
      properties:
        data:
          type: object
          properties:
            time:
              type: string
              format: date-time
            values:
              $ref: '#/components/schemas/WeatherValues'
        location:
          $ref: '#/components/schemas/Location'
  securitySchemes:
    apikeyAuth:
      type: apiKey
      in: query
      name: apikey