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GET /v1/aquarium

Filtration with head loss

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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/turnover-api

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Code snippets

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

Example response

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

{
    "data": {
        "note": "Effective flow = rated pump flow × (1 − head loss). Turnovers/hour = effective ÷ tank. Freshwater wants ~4–6×/hr, planted ~5–10×, reef ~10×+.",
        "inputs": {
            "pump_flow": 1500,
            "tank_volume": 200,
            "head_loss_percent": 40
        },
        "turnovers_per_hour": 4.5,
        "effective_flow_rate": 900
    },
    "meta": {
        "timestamp": "2026-06-06T07:14:10.379Z",
        "request_id": "36a2b1ff-d7c5-471a-af91-7e75a7f63553"
    },
    "status": "ok",
    "message": "Aquarium filtration",
    "success": true
}