fourzerotwo-si

fourzerotwo-si Airports API

Airports Worldwide: Every airport, airfield and heliport worldwide: ICAO/IATA codes, location, elevation, runways, radio frequencies and nearby navaids — look up by code, search by name or town, or find the nearest.

Documentation GitHub OpenAPI

Operations 7

GET /v1/airports/airport Airports Worldwide: Airport by code #

GET /v1/airports/search Airports Worldwide: Search airports #

GET /v1/airports/near Airports Worldwide: Airports near a point #

GET /v1/airports/runways Airports Worldwide: Runways #

GET /v1/airports/frequencies Airports Worldwide: Radio frequencies #

GET /v1/airports/country Airports Worldwide: Airports in a country #

GET /v1/airports/navaids-near Airports Worldwide: Navaids near a point #

Specifications

⚙

OpenAPI

https://artifacts.apis.io/fourzerotwo-si/openapi/fourzerotwo-si-airports-api-openapi.yml

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Fourzerotwo Si Airports API
  version: 1.1.0
  contact:
    url: https://fourzerotwo.si
  description: 'Operations tagged airports across 2 of this provider''s published API definitions: openapi.json, fourzerotwo-si-openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://fourzerotwo.si
tags:
- name: Airports
  description: 'Airports Worldwide: Every airport, airfield and heliport worldwide: ICAO/IATA codes, location, elevation, runways, radio frequencies and nearby navaids — look up by code, search by name or town, or find the nearest.'
paths:
  /v1/airports/airport:
    get:
      operationId: airports__airport
      summary: 'Airports Worldwide: Airport by code'
      description: 'An airport by ICAO, IATA or ident: name, type, town, country and region, location, elevation, runways and frequencies. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - Airports
      externalDocs:
        url: https://fourzerotwo.si/apis/airports/airport
      parameters:
      - name: code
        in: query
        required: true
        description: ICAO (EGLL), IATA (LHR) or OurAirports ident
        schema:
          type: string
          maxLength: 10
        example: EGLL
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.001000'
      x-free-tier: free
      x-mcp-tool: airports__airport
    servers:
    - url: https://fourzerotwo.si
  /v1/airports/search:
    get:
      operationId: airports__search
      summary: 'Airports Worldwide: Search airports'
      description: 'Find airports by name or town and/or country, optionally by type or scheduled service only; biggest first. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - Airports
      externalDocs:
        url: https://fourzerotwo.si/apis/airports/search
      parameters:
      - name: name
        in: query
        required: false
        description: Airport name or town
        schema:
          type: string
          maxLength: 80
        example: manchester
      - name: country
        in: query
        required: false
        description: 2-letter country code
        schema:
          type: string
          maxLength: 2
        example: GB
      - name: type
        in: query
        required: false
        description: large | medium | small | heliport | seaplane_base | closed
        schema:
          type: string
          maxLength: 16
      - name: scheduled
        in: query
        required: false
        description: 1 = scheduled passenger service only
        schema:
          type: string
          maxLength: 1
      - name: limit
        in: query
        required: false
        description: Max results (default 20)
        schema:
          type: integer
        example: 5
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.001000'
      x-free-tier: free
      x-mcp-tool: airports__search
    servers:
    - url: https://fourzerotwo.si
  /v1/airports/near:
    get:
      operationId: airports__near
      summary: 'Airports Worldwide: Airports near a point'
      description: 'Airports (large/medium/small by default) within a radius of a point or UK postcode, nearest first. Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - Airports
      externalDocs:
        url: https://fourzerotwo.si/apis/airports/near
      parameters:
      - name: lat
        in: query
        required: false
        description: Latitude (or give a UK postcode)
        schema:
          type: string
          maxLength: 12
        example: '51.5'
      - name: lng
        in: query
        required: false
        description: Longitude
        schema:
          type: string
          maxLength: 12
        example: '-0.12'
      - name: postcode
        in: query
        required: false
        description: UK postcode instead of lat/lng
        schema:
          type: string
          maxLength: 8
      - name: radius_km
        in: query
        required: false
        description: Radius in km (default 50, max 300)
        schema:
          type: integer
        example: 40
      - name: type
        in: query
        required: false
        description: large | medium | small | heliport | …
        schema:
          type: string
          maxLength: 16
      - name: scheduled
        in: query
        required: false
        description: 1 = scheduled passenger service only
        schema:
          type: string
          maxLength: 1
        example: '1'
      - name: limit
        in: query
        required: false
        description: Max results (default 10)
        schema:
          type: integer
        example: 5
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.002000'
      x-free-tier: free
      x-mcp-tool: airports__near
    servers:
    - url: https://fourzerotwo.si
  /v1/airports/runways:
    get:
      operationId: airports__runways
      summary: 'Airports Worldwide: Runways'
      description: 'An airport''s runways: length, width, surface, lighting and each end''s identifier, heading and elevation. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - Airports
      externalDocs:
        url: https://fourzerotwo.si/apis/airports/runways
      parameters:
      - name: code
        in: query
        required: true
        description: ICAO (EGLL), IATA (LHR) or OurAirports ident
        schema:
          type: string
          maxLength: 10
        example: EGLL
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.001000'
      x-free-tier: free
      x-mcp-tool: airports__runways
    servers:
    - url: https://fourzerotwo.si
  /v1/airports/frequencies:
    get:
      operationId: airports__frequencies
      summary: 'Airports Worldwide: Radio frequencies'
      description: 'An airport''s radio frequencies (tower, ground, ATIS, approach…) in MHz. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - Airports
      externalDocs:
        url: https://fourzerotwo.si/apis/airports/frequencies
      parameters:
      - name: code
        in: query
        required: true
        description: ICAO (EGLL), IATA (LHR) or OurAirports ident
        schema:
          type: string
          maxLength: 10
        example: EGLL
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.001000'
      x-free-tier: free
      x-mcp-tool: airports__frequencies
    servers:
    - url: https://fourzerotwo.si
  /v1/airports/country:
    get:
      operationId: airports__country
      summary: 'Airports Worldwide: Airports in a country'
      description: 'Airport counts by type, the large airports and the regions for a country. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - Airports
      externalDocs:
        url: https://fourzerotwo.si/apis/airports/country
      parameters:
      - name: country
        in: query
        required: true
        description: 2-letter country code
        schema:
          type: string
          maxLength: 2
        example: IE
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.001000'
      x-free-tier: free
      x-mcp-tool: airports__country
    servers:
    - url: https://fourzerotwo.si
  /v1/airports/navaids-near:
    get:
      operationId: airports__navaids_near
      summary: 'Airports Worldwide: Navaids near a point'
      description: 'VORs, NDBs, DMEs and other navaids within a radius of a point, with frequency and associated airport. Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - Airports
      externalDocs:
        url: https://fourzerotwo.si/apis/airports/navaids-near
      parameters:
      - name: lat
        in: query
        required: false
        description: Latitude (or give a UK postcode)
        schema:
          type: string
          maxLength: 12
        example: '51.5'
      - name: lng
        in: query
        required: false
        description: Longitude
        schema:
          type: string
          maxLength: 12
        example: '-0.12'
      - name: postcode
        in: query
        required: false
        description: UK postcode instead of lat/lng
        schema:
          type: string
          maxLength: 8
      - name: radius_km
        in: query
        required: false
        description: Radius in km (default 50)
        schema:
          type: integer
        example: 50
      - name: limit
        in: query
        required: false
        description: Max results (default 20)
        schema:
          type: integer
        example: 10
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.002000'
      x-free-tier: free
      x-mcp-tool: airports__navaids-near
    servers:
    - url: https://fourzerotwo.si
components:
  responses:
    PaymentRequired:
      description: x402 payment required. The body (also base64 in the PAYMENT-REQUIRED header) lists accepted payments.
      headers:
        PAYMENT-REQUIRED:
          schema:
            type: string
          description: Base64 JSON x402 v2 PaymentRequired
      content:
        application/json:
          schema:
            type: object
            properties:
              x402Version:
                type: integer
              error:
                type: string
              accepts:
                type: array
                items:
                  type: object
    Error:
      description: 400 = invalid input, 404 = not found at the source, 502 = the source failed. Never charged.
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
              charged:
                type: boolean
  securitySchemes:
    freeKey:
      type: apiKey
      in: header
      name: X-API-Key
      description: Optional free key (fzt_…) for the free tier.
x-refined-from:
- openapi.json
- fourzerotwo-si-openapi.json