Skip to content
oanor
Sign up free
Marketplace Pricing Features Sign in
GET /v1/list

List constituents

Try it live

10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/sp500-api

It works. Grab an API key and use it in your project.

Get an API key

Code snippets

curl "https://api.oanor.com/sp500-api/v1/list" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/sp500-api/v1/list", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/sp500-api/v1/list");
curl_setopt($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/sp500-api/v1/list",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "count": 21,
        "total": 21,
        "companies": [
            {
                "cik": "0001841666",
                "name": "APA Corporation",
                "sector": "Energy",
                "symbol": "APA",
                "founded": "1954",
                "date_added": "1997-07-28",
                "headquarters": "Houston, Texas",
                "sub_industry": "Oil & Gas Exploration & Production"
            },
            {
                "cik": "0001701605",
                "name": "Baker Hughes",
                "sector": "Energy",
                "symbol": "BKR",
                "founded": "2017",
                "date_added": "2017-07-07",
                "headquarters": "Houston, Texas",
                "sub_industry": "Oil & Gas Equipment & Services"
            },
            {
                "cik": "0001163165",
                "name": "ConocoPhillips",
                "sector": "Energy",
                "symbol": "COP",
                "founded": "2002",
                "date_added": "1957-03-04",
                "headquarters": "Houston, Texas",
                "sub_industry": "Oil & Gas Exploration & Production"
            },
            {
                "cik": "0000093410",
                "name": "Chevron Corporation",
                "sector": "Energy",
                "symbol": "CVX",
                "founded": "1879",
                "date_added": "1957-03-04",
                "headquarters": "Houston, Texas",
                "sub_industry": "Integrated Oil & Gas"
            },
            {
                "cik": "0001090012",
                "name": "Devon Energy",
                "sector": "Energy",
                "symbol": "DVN",
                "founded": "1971",
                "date_added": "2000-08-30",
                "headquarters": "Oklahoma City, Oklahoma",
                "sub_industry": "Oil & Gas Exploration & Production"
            },
            {
                "cik": "0000821189",
                "name": "EOG Resources",
                "sector": "Energy",
                "symbol": "EOG",
                "founded": "1999",
                "date_added": "2000-11-02",
                "headquarters": "Houston, Texas",
                "sub_industry": "Oil & Gas Exploration & Production"
            },
            {
                "cik": "0000033213",
                "name": "EQT Corporation",
                "sector": "Energy",
                "symbol": "EQT",
                "founded": "1888",
                "date_added": "2022-10-03",
                "headquarters": "Pittsburgh, Pennsylvania",
                "sub_industry": "Oil & Gas Exploration & Production"
            },
            {
                "cik": "0000895126",
                "name": "Expand Energy",
                "sector": "Energy",
                "symbol": "EXE",
                "founded": "1989",
                "date_added": "2025-03-24",
                "headquarters": "Oklahoma City, Okl
…