{
  "x402Version": 2,
  "id": 36304,
  "slug": "36304",
  "resource": "https://api.duoleads.com/v1/ref/airport",
  "description": "Look up an airport by IATA or ICAO code and get its name, city, country, ISO 3166-2 region code, WGS-84 coordinates, elevation and IANA time zone, or find the nearest airports to a coordinate within a radius. Covers every airport worldwide that holds a three-letter IATA code and scheduled service. Returns the code type that matched and the distance in kilometres for proximity results.",
  "type": "http",
  "serviceName": "Duo Data Utilities",
  "resourceType": "Monitoring",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xCD673f7e1daD254347AEab6be0DEFe8b9C6b3A39",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "50000",
      "amountUsd": 0.05,
      "maxTimeoutSeconds": 120
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "data": {
            "properties": {
              "airport": {
                "properties": {
                  "country": {
                    "type": "string"
                  },
                  "elevation_ft": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "iata": {
                    "type": "string"
                  },
                  "icao": {
                    "type": "string"
                  },
                  "lat": {
                    "type": "number"
                  },
                  "lon": {
                    "type": "number"
                  },
                  "municipality": {
                    "type": "string"
                  },
                  "name": {
                    "type": "string"
                  },
                  "region": {
                    "type": "string"
                  },
                  "timezone": {
                    "type": "string"
                  },
                  "type": {
                    "type": "string"
                  }
                },
                "required": [
                  "iata",
                  "icao",
                  "name",
                  "municipality",
                  "country",
                  "region",
                  "lat",
                  "lon",
                  "elevation_ft",
                  "type",
                  "timezone"
                ],
                "type": "object"
              },
              "found": {
                "type": "boolean"
              },
              "matched_on": {
                "type": "string"
              },
              "nearby": {
                "items": {
                  "properties": {
                    "bearing_deg": {
                      "type": "number"
                    },
                    "country": {
                      "type": "string"
                    },
                    "distance_km": {
                      "type": "number"
                    },
                    "elevation_ft": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "iata": {
                      "type": "string"
                    },
                    "icao": {
                      "type": "string"
                    },
                    "lat": {
                      "type": "number"
                    },
                    "lon": {
                      "type": "number"
                    },
                    "municipality": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "region": {
                      "type": "string"
                    },
                    "timezone": {
                      "type": "string"
                    },
                    "type": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "iata",
                    "icao",
                    "name",
                    "municipality",
                    "country",
                    "region",
                    "lat",
                    "lon",
                    "elevation_ft",
                    "type",
                    "timezone",
                    "distance_km",
                    "bearing_deg"
                  ],
                  "type": "object"
                },
                "type": "array"
              }
            },
            "required": [
              "found"
            ],
            "type": "object"
          },
          "meta": {
            "properties": {
              "computed_at": {
                "description": "RFC 3339 UTC with milliseconds",
                "type": "string"
              },
              "deterministic": {
                "type": "boolean"
              },
              "disclaimer": {
                "type": "string"
              },
              "price_usd": {
                "type": "string"
              },
              "request_id": {
                "type": "string"
              },
              "sources": {
                "items": {
                  "required": [
                    "id",
                    "version",
                    "published"
                  ],
                  "type": "object"
                },
                "type": "array"
              }
            },
            "required": [
              "request_id",
              "computed_at",
              "price_usd",
              "deterministic",
              "disclaimer"
            ],
            "type": "object"
          },
          "ok": {
            "const": true
          },
          "route": {
            "const": "/v1/ref/airport"
          },
          "version": {
            "type": "string"
          }
        },
        "required": [
          "ok",
          "route",
          "version",
          "data",
          "meta"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "code": "AMS"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "data": {
              "airport": {
                "country": "NL",
                "elevation_ft": -11,
                "iata": "AMS",
                "icao": "EHAM",
                "lat": 52.3086,
                "lon": 4.76389,
                "municipality": "Amsterdam",
                "name": "Amsterdam Airport Schiphol",
                "region": "NL-NH",
                "timezone": "Europe/Amsterdam",
                "type": "large_airport"
              },
              "found": true,
              "matched_on": "iata"
            },
            "meta": {
              "computed_at": "2026-09-28T12:00:00.000Z",
              "deterministic": true,
              "disclaimer": "Factual output of a deterministic computation over public data. Provided as is, with no warranty of accuracy, completeness or availability. Not investment, financial, legal, tax, medical or any other professional advice, and not a recommendation. Verify before relying on it. Terms: https://api.duoleads.com/terms",
              "price_usd": "0.05",
              "request_id": "01K6B7Q4ZC8H3F2M9WXR5TYN0D",
              "sources": [
                {
                  "attribution": "OurAirports (public domain)",
                  "id": "ourairports",
                  "licence": "Public Domain",
                  "published": "2026-09-28",
                  "version": "2026-09-28 extract"
                },
                {
                  "attribution": "Time zones derived from timezone-boundary-builder data (https://github.com/evansiroky/timezone-boundary-builder), (c) contributors, ODbL 1.0, via timezonefinder 9.0.0",
                  "id": "timezone-boundary-builder",
                  "licence": "ODbL-1.0",
                  "published": "2026-09-29",
                  "version": "2026d"
                }
              ]
            },
            "ok": true,
            "route": "/v1/ref/airport",
            "version": "1.0.0"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "code": {
                    "description": "3-letter IATA or 4-letter ICAO code, case-insensitive.",
                    "maxLength": 16,
                    "type": "string"
                  },
                  "country": {
                    "description": "ISO 3166-1 alpha-2 filter.",
                    "maxLength": 16,
                    "type": "string"
                  },
                  "limit": {
                    "default": "5",
                    "description": "Maximum results 1-25, default 5. Only with near.",
                    "maxLength": 64,
                    "pattern": "^[+-]?\\d+$",
                    "type": "string"
                  },
                  "near": {
                    "description": "lat,lon to search around.",
                    "maxLength": 64,
                    "type": "string"
                  },
                  "radius_km": {
                    "default": "100",
                    "description": "Search radius in km, 1-1000, default 100. Only with near.",
                    "maxLength": 64,
                    "pattern": "^[+-]?(\\d+(\\.\\d*)?|\\.\\d+)([eE][+-]?\\d+)?$",
                    "type": "string"
                  }
                },
                "required": [],
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "data": {
                    "properties": {
                      "airport": {
                        "properties": {
                          "country": {
                            "type": "string"
                          },
                          "elevation_ft": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "iata": {
                            "type": "string"
                          },
                          "icao": {
                            "type": "string"
                          },
                          "lat": {
                            "type": "number"
                          },
                          "lon": {
                            "type": "number"
                          },
                          "municipality": {
                            "type": "string"
                          },
                          "name": {
                            "type": "string"
                          },
                          "region": {
                            "type": "string"
                          },
                          "timezone": {
                            "type": "string"
                          },
                          "type": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "iata",
                          "icao",
                          "name",
                          "municipality",
                          "country",
                          "region",
                          "lat",
                          "lon",
                          "elevation_ft",
                          "type",
                          "timezone"
                        ],
                        "type": "object"
                      },
                      "found": {
                        "type": "boolean"
                      },
                      "matched_on": {
                        "type": "string"
                      },
                      "nearby": {
                        "items": {
                          "properties": {
                            "bearing_deg": {
                              "type": "number"
                            },
                            "country": {
                              "type": "string"
                            },
                            "distance_km": {
                              "type": "number"
                            },
                            "elevation_ft": {
                              "type": [
                                "number",
                                "null"
                              ]
                            },
                            "iata": {
                              "type": "string"
                            },
                            "icao": {
                              "type": "string"
                            },
                            "lat": {
                              "type": "number"
                            },
                            "lon": {
                              "type": "number"
                            },
                            "municipality": {
                              "type": "string"
                            },
                            "name": {
                              "type": "string"
                            },
                            "region": {
                              "type": "string"
                            },
                            "timezone": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "iata",
                            "icao",
                            "name",
                            "municipality",
                            "country",
                            "region",
                            "lat",
                            "lon",
                            "elevation_ft",
                            "type",
                            "timezone",
                            "distance_km",
                            "bearing_deg"
                          ],
                          "type": "object"
                        },
                        "type": "array"
                      }
                    },
                    "required": [
                      "found"
                    ],
                    "type": "object"
                  },
                  "meta": {
                    "properties": {
                      "computed_at": {
                        "description": "RFC 3339 UTC with milliseconds",
                        "type": "string"
                      },
                      "deterministic": {
                        "type": "boolean"
                      },
                      "disclaimer": {
                        "type": "string"
                      },
                      "price_usd": {
                        "type": "string"
                      },
                      "request_id": {
                        "type": "string"
                      },
                      "sources": {
                        "items": {
                          "required": [
                            "id",
                            "version",
                            "published"
                          ],
                          "type": "object"
                        },
                        "type": "array"
                      }
                    },
                    "required": [
                      "request_id",
                      "computed_at",
                      "price_usd",
                      "deterministic",
                      "disclaimer"
                    ],
                    "type": "object"
                  },
                  "ok": {
                    "const": true
                  },
                  "route": {
                    "const": "/v1/ref/airport"
                  },
                  "version": {
                    "type": "string"
                  }
                },
                "required": [
                  "ok",
                  "route",
                  "version",
                  "data",
                  "meta"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "deterministic",
    "no-api-key",
    "ref",
    "travel",
    "airports",
    "bazaar"
  ],
  "sourceHost": "api.duoleads.com",
  "lastUpdated": "2026-10-01T20:53:07.838Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-10-01T20:53:07.707Z"
  },
  "metadata": {
    "serviceName": "Duo Data Utilities",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "code": "AMS"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "airport": {
                  "country": "NL",
                  "elevation_ft": -11,
                  "iata": "AMS",
                  "icao": "EHAM",
                  "lat": 52.3086,
                  "lon": 4.76389,
                  "municipality": "Amsterdam",
                  "name": "Amsterdam Airport Schiphol",
                  "region": "NL-NH",
                  "timezone": "Europe/Amsterdam",
                  "type": "large_airport"
                },
                "found": true,
                "matched_on": "iata"
              },
              "meta": {
                "computed_at": "2026-09-28T12:00:00.000Z",
                "deterministic": true,
                "disclaimer": "Factual output of a deterministic computation over public data. Provided as is, with no warranty of accuracy, completeness or availability. Not investment, financial, legal, tax, medical or any other professional advice, and not a recommendation. Verify before relying on it. Terms: https://api.duoleads.com/terms",
                "price_usd": "0.05",
                "request_id": "01K6B7Q4ZC8H3F2M9WXR5TYN0D",
                "sources": [
                  {
                    "attribution": "OurAirports (public domain)",
                    "id": "ourairports",
                    "licence": "Public Domain",
                    "published": "2026-09-28",
                    "version": "2026-09-28 extract"
                  },
                  {
                    "attribution": "Time zones derived from timezone-boundary-builder data (https://github.com/evansiroky/timezone-boundary-builder), (c) contributors, ODbL 1.0, via timezonefinder 9.0.0",
                    "id": "timezone-boundary-builder",
                    "licence": "ODbL-1.0",
                    "published": "2026-09-29",
                    "version": "2026d"
                  }
                ]
              },
              "ok": true,
              "route": "/v1/ref/airport",
              "version": "1.0.0"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "code": {
                      "description": "3-letter IATA or 4-letter ICAO code, case-insensitive.",
                      "maxLength": 16,
                      "type": "string"
                    },
                    "country": {
                      "description": "ISO 3166-1 alpha-2 filter.",
                      "maxLength": 16,
                      "type": "string"
                    },
                    "limit": {
                      "default": "5",
                      "description": "Maximum results 1-25, default 5. Only with near.",
                      "maxLength": 64,
                      "pattern": "^[+-]?\\d+$",
                      "type": "string"
                    },
                    "near": {
                      "description": "lat,lon to search around.",
                      "maxLength": 64,
                      "type": "string"
                    },
                    "radius_km": {
                      "default": "100",
                      "description": "Search radius in km, 1-1000, default 100. Only with near.",
                      "maxLength": 64,
                      "pattern": "^[+-]?(\\d+(\\.\\d*)?|\\.\\d+)([eE][+-]?\\d+)?$",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "properties": {
                        "airport": {
                          "properties": {
                            "country": {
                              "type": "string"
                            },
                            "elevation_ft": {
                              "type": [
                                "number",
                                "null"
                              ]
                            },
                            "iata": {
                              "type": "string"
                            },
                            "icao": {
                              "type": "string"
                            },
                            "lat": {
                              "type": "number"
                            },
                            "lon": {
                              "type": "number"
                            },
                            "municipality": {
                              "type": "string"
                            },
                            "name": {
                              "type": "string"
                            },
                            "region": {
                              "type": "string"
                            },
                            "timezone": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "iata",
                            "icao",
                            "name",
                            "municipality",
                            "country",
                            "region",
                            "lat",
                            "lon",
                            "elevation_ft",
                            "type",
                            "timezone"
                          ],
                          "type": "object"
                        },
                        "found": {
                          "type": "boolean"
                        },
                        "matched_on": {
                          "type": "string"
                        },
                        "nearby": {
                          "items": {
                            "properties": {
                              "bearing_deg": {
                                "type": "number"
                              },
                              "country": {
                                "type": "string"
                              },
                              "distance_km": {
                                "type": "number"
                              },
                              "elevation_ft": {
                                "type": [
                                  "number",
                                  "null"
                                ]
                              },
                              "iata": {
                                "type": "string"
                              },
                              "icao": {
                                "type": "string"
                              },
                              "lat": {
                                "type": "number"
                              },
                              "lon": {
                                "type": "number"
                              },
                              "municipality": {
                                "type": "string"
                              },
                              "name": {
                                "type": "string"
                              },
                              "region": {
                                "type": "string"
                              },
                              "timezone": {
                                "type": "string"
                              },
                              "type": {
                                "type": "string"
                              }
                            },
                            "required": [
                              "iata",
                              "icao",
                              "name",
                              "municipality",
                              "country",
                              "region",
                              "lat",
                              "lon",
                              "elevation_ft",
                              "type",
                              "timezone",
                              "distance_km",
                              "bearing_deg"
                            ],
                            "type": "object"
                          },
                          "type": "array"
                        }
                      },
                      "required": [
                        "found"
                      ],
                      "type": "object"
                    },
                    "meta": {
                      "properties": {
                        "computed_at": {
                          "description": "RFC 3339 UTC with milliseconds",
                          "type": "string"
                        },
                        "deterministic": {
                          "type": "boolean"
                        },
                        "disclaimer": {
                          "type": "string"
                        },
                        "price_usd": {
                          "type": "string"
                        },
                        "request_id": {
                          "type": "string"
                        },
                        "sources": {
                          "items": {
                            "required": [
                              "id",
                              "version",
                              "published"
                            ],
                            "type": "object"
                          },
                          "type": "array"
                        }
                      },
                      "required": [
                        "request_id",
                        "computed_at",
                        "price_usd",
                        "deterministic",
                        "disclaimer"
                      ],
                      "type": "object"
                    },
                    "ok": {
                      "const": true
                    },
                    "route": {
                      "const": "/v1/ref/airport"
                    },
                    "version": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "ok",
                    "route",
                    "version",
                    "data",
                    "meta"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
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              "type": "object"
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          "type": "object"
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  "liveness": {
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  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.duoleads.com",
    "manifest_name": "api.duoleads.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "example": {
      "data": {
        "airport": {
          "country": "string",
          "elevation_ft": 0,
          "iata": "string",
          "icao": "string",
          "lat": 0,
          "lon": 0,
          "municipality": "string",
          "name": "string",
          "region": "string",
          "timezone": "string",
          "type": "string"
        },
        "found": true,
        "matched_on": "string",
        "nearby": [
          {
            "bearing_deg": 0,
            "country": "string",
            "distance_km": 0,
            "elevation_ft": 0,
            "iata": "string",
            "icao": "string",
            "lat": 0,
            "lon": 0,
            "municipality": "string",
            "name": "string",
            "region": "string",
            "timezone": "string",
            "type": "string"
          }
        ]
      },
      "meta": {
        "computed_at": "string",
        "deterministic": true,
        "disclaimer": "string",
        "price_usd": "string",
        "request_id": "string",
        "sources": [
          {}
        ]
      },
      "ok": null,
      "route": null,
      "version": "string"
    },
    "type": "string"
  }
}