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GET /v1/pressure-altitude

Pressure altitude

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/atmosphere-api

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Code snippets

curl "https://api.oanor.com/atmosphere-api/v1/pressure-altitude" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/atmosphere-api/v1/pressure-altitude", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/atmosphere-api/v1/pressure-altitude");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/atmosphere-api/v1/pressure-altitude",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "note": "Pressure altitude is the ISA altitude at which the standard pressure equals your reading. 1013.25 hPa ⇒ 0; lower pressure ⇒ higher altitude.",
        "inputs": {
            "pressure_hpa": 1000
        },
        "pressure_altitude_m": 110.8844,
        "pressure_altitude_ft": 363.7941
    },
    "meta": {
        "timestamp": "2026-06-04T18:38:09.476Z",
        "request_id": "a36141e3-c335-4d9b-8e60-2fd8f4c8a767"
    },
    "status": "ok",
    "message": "Pressure altitude",
    "success": true
}