Spec

Extraits de code

curl "https://api.oanor.com/isentropic-api/v1/meta" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/isentropic-api/v1/meta", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/isentropic-api/v1/meta");
curl_setopt($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/isentropic-api/v1/meta",
    headers={"x-oanor-key": "oanor_test_..."}
)

Exemple de réponse

Une réponse réelle de ce endpoint, capturée lors du dernier contrôle de santé.

{
    "data": {
        "notes": "γ defaults to 1.4 (air); gas constant R defaults to 287 J/(kg·K). Temperatures in kelvin. Perfect-gas, isentropic flow.",
        "service": "isentropic-api",
        "formulae": {
            "area_ratio": "A/A* = (1/M)·[(2/(γ+1))·(T0/T)]^((γ+1)/(2(γ−1)))",
            "pressure_ratio": "p0/p = (T0/T)^(γ/(γ−1))",
            "temperature_ratio": "T0/T = 1 + (γ−1)/2·M²"
        },
        "endpoints": {
            "GET /v1/mach": "Mach number from a pressure/temperature/area ratio or velocity & temperature.",
            "GET /v1/meta": "This document.",
            "GET /v1/isentropic": "Temperature, pressure, density and area ratios from a Mach number.",
            "GET /v1/stagnation": "Stagnation/static conditions, speed of sound and velocity."
        },
        "description": "Isentropic compressible-flow (gas dynamics) calculator: stagnation-to-static ratios from Mach number, stagnation conditions with speed of sound and velocity, and the Mach number from a ratio."
    },
    "meta": {
        "timestamp": "2026-06-05T03:08:59.797Z",
        "request_id": "406f3e73-6019-48db-8142-176abc724dfe"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}