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GET /v1/yield

Yield to maturity

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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/bond-api

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Code snippets

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

Example response

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

{
    "data": {
        "note": "YTM is the annualised discount rate that makes the present value of the cash flows equal the price (by bisection).",
        "inputs": {
            "price": 925.61,
            "frequency": 2,
            "face_value": 1000,
            "maturity_years": 10,
            "coupon_rate_pct": 5
        },
        "current_yield_pct": 5.401843,
        "yield_to_maturity_pct": 6.000037
    },
    "meta": {
        "timestamp": "2026-06-05T03:09:00.416Z",
        "request_id": "f95d1ef4-0352-4034-a78e-8ba7e3b5e7b8"
    },
    "status": "ok",
    "message": "Yield to maturity",
    "success": true
}