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GET /v1/extraction

Extraction yield

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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/coffee-api

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Code snippets

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

Example response

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

{
    "data": {
        "note": "Extraction yield % = (beverage mass × TDS%) ÷ dose. SCA targets 18–22 % extraction at 1.15–1.35 % TDS. Beverage mass ≈ water − 2 g per g of coffee if not measured.",
        "inputs": {
            "dose_g": 60,
            "tds_pct": 1.35,
            "beverage_mass_g": 940
        },
        "strength_label": "ideal",
        "extraction_label": "ideal",
        "extraction_yield_pct": 21.15
    },
    "meta": {
        "timestamp": "2026-06-04T18:38:08.091Z",
        "request_id": "011f793b-b72d-4335-a973-db31fbf8ddd0"
    },
    "status": "ok",
    "message": "Extraction yield",
    "success": true
}