Service metadata

Codefragmenten

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

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

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

Voorbeeldrespons

Een echte respons van dit endpoint, vastgelegd bij de laatste health check.

{
    "data": {
        "note": "benchmark is any universe symbol (default SPY). window is 60-756 trading days (default 252). sort is capture_ratio (default), downside_capture, upside_capture or downside_beta. class filters to equity/sector/commodity/bond/crypto (default all). Read fresh per call, nothing cached.",
        "sorts": [
            "capture_ratio",
            "downside_capture",
            "downside_beta",
            "upside_capture"
        ],
        "source": "Yahoo Finance daily closes, live",
        "classes": [
            "equity",
            "sector",
            "commodity",
            "bond",
            "crypto"
        ],
        "service": "capture-api",
        "endpoints": {
            "GET /v1/meta": "This document.",
            "GET /v1/asset": "Full asymmetry profile of one instrument (symbol=TLT, benchmark=SPY, window=252).",
            "GET /v1/screener": "Rank the universe by up/down capture asymmetry (benchmark=SPY, sort=capture_ratio, window=252, class=all).",
            "GET /v1/universe": "The cross-asset universe and its classes."
        },
        "description": "Upside/downside capture & downside beta — how much of a benchmark's gains an asset captures in up markets versus how much of its losses it suffers in down markets, live from Yahoo Finance daily closes (no key, nothing stored). upside_capture > 100 gains more than the market in rallies; downside_capture < 100 loses less in sell-offs; capture_ratio > 1 is favourable asymmetry. It also returns downside and upside beta (beta on the benchmark's down- and up-days). asset returns one instrument's asymmetry profile; screener ranks the cross-asset universe by capture ratio, downside capture or downside beta. The conditional / up-down asymmetry cut — distinct from the single unconditional beta screener, the correlation matrix, and the total-risk and tail-risk APIs.",
        "universe_size": 20,
        "upstream_status": "ok",
        "best_asymmetry_vs_spy": "SLV"
    },
    "meta": {
        "timestamp": "2026-06-12T10:34:46.493Z",
        "request_id": "a9031981-b880-445b-87c9-baa36cc806f5"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}