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GET /v1/burn

Burn time

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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/rocket-api

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Code snippets

curl "https://api.oanor.com/rocket-api/v1/burn" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/rocket-api/v1/burn", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/rocket-api/v1/burn");
curl_setopt($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/burn",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "note": "Mass flow ṁ = thrust/ve; burn time = propellant/ṁ. Total impulse = thrust × burn time. A higher Isp burns propellant more slowly for the same thrust.",
        "inputs": {
            "thrust": 10000,
            "propellant_mass": 600,
            "exhaust_velocity_ms": 2941.995
        },
        "burn_time_s": 176.5197,
        "total_impulse_ns": 1765197,
        "mass_flow_rate_kg_s": 3.399054
    },
    "meta": {
        "timestamp": "2026-06-05T11:30:28.929Z",
        "request_id": "155d5c57-12bf-49f8-8bba-dace7e3b697c"
    },
    "status": "ok",
    "message": "Burn time",
    "success": true
}