Spec

Code snippets

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

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

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

Example response

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

{
    "data": {
        "note": "Wheel sizes are rolling circumferences in mm; pass wheel_circumference_mm for an exact value.",
        "wheels": [
            "20",
            "24",
            "26",
            "700x23c",
            "700x25c",
            "700x28c",
            "700x32c",
            "700x35c",
            "700c",
            "650b",
            "27.5x2.0",
            "26x1.5",
            "26x2.0",
            "29er",
            "29x2.2",
            "27x1.25"
        ],
        "service": "bikegear",
        "endpoints": {
            "/v1/gear": "All gearing metrics for a chainring/cog/wheel, including speed at a cadence.",
            "/v1/speed": "Speed from a gear and cadence, or the cadence for a target speed.",
            "/v1/table": "Gear table (gear inches / development / gain / ratio) for chainrings × a cassette."
        },
        "description": "Bicycle gearing maths: ratio, gear inches, gain ratio, development and speed at cadence, plus a gear table."
    },
    "meta": {
        "timestamp": "2026-06-04T01:59:19.586Z",
        "request_id": "304ff358-a6fb-44de-b490-45cb714cfabc"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}