Covered interest-rate-parity check + cross-currency basis

Code snippets

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

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

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

Example response

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

{
    "data": {
        "pair": "EUR/USD",
        "spot": 1.1,
        "source": "FXFORWARD",
        "arbitrage": "none",
        "deviation": -5.922e-5,
        "parity_holds": true,
        "deviation_pct": -0.0054,
        "deviation_pips": -0.59,
        "market_forward": 1.1213,
        "theoretical_forward": 1.12135922,
        "cross_currency_basis_pct": -0.0055
    },
    "meta": {
        "timestamp": "2026-06-10T22:56:12.429Z",
        "request_id": "7db1db80-1042-4b9e-a6b5-101794b3c32a"
    },
    "status": "ok",
    "message": "Parity checked",
    "success": true
}