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GET /v1/meta

Spec

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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/idealweight-api

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Code snippets

curl "https://api.oanor.com/idealweight-api/v1/meta" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/idealweight-api/v1/meta", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/idealweight-api/v1/meta");
curl_setopt($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/idealweight-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": "Height in cm or inches, weight in kg. Clinical estimation formulas — not a substitute for professional medical judgement. For body-mass index use a BMI API.",
        "service": "idealweight-api",
        "endpoints": {
            "GET /v1/bsa": "Body surface area from height and weight.",
            "GET /v1/meta": "This document.",
            "GET /v1/ideal": "Ideal body weight by four formulas from height and sex.",
            "GET /v1/adjusted": "Adjusted body weight for dosing from height, sex and actual weight."
        },
        "description": "Ideal body weight (Devine, Robinson, Miller, Hamwi), adjusted body weight for dosing, and body surface area (Mosteller, Du Bois, Haycock)."
    },
    "meta": {
        "timestamp": "2026-06-05T19:50:25.273Z",
        "request_id": "c831492a-d9dd-429a-9147-0f45b118b7ea"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}