Spec

Code-Snippets

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

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

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

Beispiel-Response

Echte Antwort dieses Endpoints, erfasst beim letzten Health-Check.

{
    "data": {
        "notes": "Masses in kg, specific impulse in s, exhaust velocity and Δv in m/s, thrust in N. Standard gravity g0 = 9.80665 m/s².",
        "service": "rocket-api",
        "formulae": {
            "burn": "ṁ = thrust/(Isp·g0) ; burn = propellant/ṁ",
            "delta_v": "Δv = Isp·g0·ln(m0/mf)",
            "mass_ratio": "m0/mf = exp(Δv/(Isp·g0))"
        },
        "constants": {
            "standard_gravity_ms2": 9.80665
        },
        "endpoints": {
            "GET /v1/burn": "Mass flow rate, burn time and total impulse from thrust and propellant.",
            "GET /v1/meta": "This document.",
            "GET /v1/delta-v": "Delta-v from wet/dry mass and specific impulse (or exhaust velocity).",
            "GET /v1/mass-ratio": "Mass ratio and propellant fraction needed for a target delta-v."
        },
        "description": "Rocket-propulsion calculator: the Tsiolkovsky delta-v from the mass ratio, the mass ratio and propellant needed for a target delta-v, and burn time and mass flow from thrust."
    },
    "meta": {
        "timestamp": "2026-06-05T11:30:29.198Z",
        "request_id": "bffa168a-0574-4654-ac09-95037dc9b62c"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}