Spec

Code snippets

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

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

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

Example response

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

{
    "data": {
        "notes": "US units (hp, mph, tons, lbf). TE = 375·hp·eff/speed; grade resistance = 20·tons·grade%; curve = 0.8·tons·deg; adhesion TE = coeff·driver-weight. Excludes Davis rolling/air resistance. For highway curves use a horizontal-curve API.",
        "service": "railway-api",
        "endpoints": {
            "GET /v1/meta": "This document.",
            "GET /v1/adhesion": "Maximum starting tractive effort from adhesion.",
            "GET /v1/resistance": "Grade and curve resistance for a train.",
            "GET /v1/tractive-effort": "Tractive effort from power and speed."
        },
        "description": "Railway train-performance maths: tractive effort at speed, grade/curve resistance, and adhesion-limited starting effort."
    },
    "meta": {
        "timestamp": "2026-06-07T08:17:58.368Z",
        "request_id": "0c2a4931-2993-49fc-a656-98c2645be0a4"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}