openapi: 3.0.3
info:
  title: AirLabs Aviation Data Airlines Alert API
  description: Real-time global flight tracking, airport schedules, flight delays, airline and airport databases, aircraft fleets, routes, nearby airports, and autocomplete suggestions. All responses are JSON wrapped in a `{request, response}` envelope. Authentication via `api_key` query parameter.
  version: v9
  termsOfService: https://airlabs.co/terms
  contact:
    name: AirLabs
    url: https://airlabs.co
    email: info@airlabs.co
  license:
    name: Proprietary
    url: https://airlabs.co/terms
servers:
- url: https://airlabs.co/api/v9
  description: Production
security:
- ApiKeyAuth: []
tags:
- name: Alert
  description: Flight monitoring
paths:
  /alert:
    get:
      summary: Flight alert
      description: Returns flight details suitable for monitoring status changes, delays, gate changes. Response shape identical to /flight.
      tags:
      - Alert
      operationId: alert_flight
      parameters:
      - name: flight_iata
        in: query
        required: false
        description: Flight IATA code
        schema:
          type: string
      - name: flight_icao
        in: query
        required: false
        description: Flight ICAO code
        schema:
          type: string
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FlightResponse'
        '400':
          description: Bad request — missing or invalid parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized — missing or invalid API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '403':
          description: Forbidden — plan limit reached or feature not available
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Too many requests — rate limit exceeded
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: Server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    Error:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              description: Error description
            code:
              type: string
              description: Error code
    FlightResponse:
      type: object
      properties:
        request:
          $ref: '#/components/schemas/RequestMeta'
        response:
          $ref: '#/components/schemas/FlightDetail'
    RequestMeta:
      type: object
      description: Echo of the request and processing metadata
      properties:
        lang:
          type: string
        currency:
          type: string
        time:
          type: number
        id:
          type: string
        server:
          type: string
        host:
          type: string
        pid:
          type: integer
        version:
          type: integer
        method:
          type: string
        params:
          type: object
          additionalProperties: true
    FlightDetail:
      type: object
      properties:
        hex:
          type: string
          description: ICAO 24-bit address (hex)
        reg_number:
          type: string
          description: Aircraft registration number
        flag:
          type: string
          description: Country ISO 2 code
        lat:
          type: number
          format: float
          description: Latitude in decimal degrees
        lng:
          type: number
          format: float
          description: Longitude in decimal degrees
        alt:
          type: integer
          description: Altitude in meters
        dir:
          type: number
          format: float
          description: Direction / heading in degrees (0-360)
        speed:
          type: integer
          description: Horizontal speed in km/h
        v_speed:
          type: number
          format: float
          description: Vertical speed in m/s
        squawk:
          type: string
          description: Transponder squawk code
        flight_number:
          type: string
          description: Flight number
        flight_iata:
          type: string
          description: Flight IATA code
        flight_icao:
          type: string
          description: Flight ICAO code
        dep_iata:
          type: string
          description: Departure airport IATA code
        dep_icao:
          type: string
          description: Departure airport ICAO code
        arr_iata:
          type: string
          description: Arrival airport IATA code
        arr_icao:
          type: string
          description: Arrival airport ICAO code
        airline_iata:
          type: string
          description: Airline IATA code
        airline_icao:
          type: string
          description: Airline ICAO code
        aircraft_icao:
          type: string
          description: Aircraft ICAO type code
        updated:
          type: integer
          description: Last update Unix timestamp
        status:
          type: string
          description: Flight status (en-route, landed, scheduled, cancelled, etc.)
        dep_terminal:
          type: string
          description: Departure terminal
        dep_gate:
          type: string
          description: Departure gate
        dep_time:
          type: string
          description: Scheduled departure time (local)
        dep_time_utc:
          type: string
          description: Scheduled departure time (UTC)
        dep_estimated:
          type: string
          description: Estimated departure time (local)
        dep_estimated_utc:
          type: string
          description: Estimated departure time (UTC)
        dep_actual:
          type: string
          description: Actual departure time (local)
        dep_actual_utc:
          type: string
          description: Actual departure time (UTC)
        arr_terminal:
          type: string
          description: Arrival terminal
        arr_gate:
          type: string
          description: Arrival gate
        arr_baggage:
          type: string
          description: Baggage belt / carousel
        arr_time:
          type: string
          description: Scheduled arrival time (local)
        arr_time_utc:
          type: string
          description: Scheduled arrival time (UTC)
        arr_estimated:
          type: string
          description: Estimated arrival time (local)
        arr_estimated_utc:
          type: string
          description: Estimated arrival time (UTC)
        arr_actual:
          type: string
          description: Actual arrival time (local)
        arr_actual_utc:
          type: string
          description: Actual arrival time (UTC)
        cs_airline_iata:
          type: string
          description: Codeshare airline IATA code
        cs_flight_iata:
          type: string
          description: Codeshare flight IATA code
        cs_flight_number:
          type: string
          description: Codeshare flight number
        duration:
          type: integer
          description: Scheduled duration in minutes
        delayed:
          type: integer
          description: Delay in minutes
        dep_delayed:
          type: integer
          description: Departure delay in minutes
        arr_delayed:
          type: integer
          description: Arrival delay in minutes
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: query
      name: api_key
      description: API key. Sign up at https://airlabs.co/signup
externalDocs:
  description: Full documentation
  url: https://airlabs.co/docs/