ICAO

ICAO API Data Service

The ICAO API Data Service provides programmatic access to authoritative civil aviation data published by ICAO, with continuously updated endpoints across six data areas. An API key is required and responses are available in CSV and JSON formats; pricing tiers include booster packs, full data-set packages, and unlimited-call subscriptions.

GitHub

Documentation

📖
Documentation
https://www.icao.int/safety/iStars/Pages/API-Data-Service.aspx

Other Resources

🔗
Portal
https://applications.icao.int/dataservices/default.aspx
🔗
Samples
https://applications.icao.int/dataservices/api-data-samples
🔗
TermsOfService
https://www.icao.int/sites/default/files/Aviation-API-Data-Service/Documents/User-Terms-and-Condtions-for-ICAO-API-Data-Service-APIs-LEB_FINAL_13.04.21.pdf
🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/icao/refs/heads/main/apis.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/icao-api-data-service"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑ 
aid: icao:icao-api-data-service
name: ICAO API Data Service
description: The ICAO API Data Service provides programmatic access to authoritative civil aviation data
  published by ICAO, with continuously updated endpoints across six data areas. An API key is required
  and responses are available in CSV and JSON formats; pricing tiers include booster packs, full data-set
  packages, and unlimited-call subscriptions.
humanURL: https://applications.icao.int/dataservices/default.aspx
tags:
- Aviation Data
- Reference Data
properties:
- type: Documentation
  url: https://www.icao.int/safety/iStars/Pages/API-Data-Service.aspx
- type: Portal
  url: https://applications.icao.int/dataservices/default.aspx
- type: Samples
  url: https://applications.icao.int/dataservices/api-data-samples
- type: TermsOfService
  url: https://www.icao.int/sites/default/files/Aviation-API-Data-Service/Documents/User-Terms-and-Condtions-for-ICAO-API-Data-Service-APIs-LEB_FINAL_13.04.21.pdf