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GET /v1/constituents

The large-cap universe used

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Custom headers (optional)
api.oanor.com/equitybreadth-api

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Code snippets

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

Example response

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

{
    "data": {
        "note": "The curated large-cap US universe used for the breadth reading — the largest, most-liquid names across all eleven sectors.",
        "count": 50,
        "source": "Yahoo Finance",
        "constituents": [
            "AAPL",
            "MSFT",
            "NVDA",
            "AMZN",
            "GOOGL",
            "META",
            "TSLA",
            "AVGO",
            "ORCL",
            "ADBE",
            "CRM",
            "AMD",
            "CSCO",
            "INTC",
            "TXN",
            "QCOM",
            "IBM",
            "NFLX",
            "JPM",
            "BAC",
            "WFC",
            "GS",
            "V",
            "MA",
            "BRK-B",
            "UNH",
            "LLY",
            "JNJ",
            "ABBV",
            "MRK",
            "PFE",
            "TMO",
            "ABT",
            "DHR",
            "XOM",
            "CVX",
            "PG",
            "KO",
            "PEP",
            "COST",
            "WMT",
            "HD",
            "MCD",
            "NKE",
            "DIS",
            "CAT",
            "GE",
            "BA",
            "ACN",
            "T"
        ]
    },
    "meta": {
        "timestamp": "2026-06-12T10:35:24.316Z",
        "request_id": "d7f63d55-43c8-4aea-b9a0-d96bd2e00490"
    },
    "status": "ok",
    "message": "Constituents retrieved successfully",
    "success": true
}