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GET /v1/history

Weekly SOMA time series

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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/fedsoma-api

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Code snippets

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

Example response

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

{
    "data": {
        "count": 52,
        "source": "Federal Reserve (NY Fed SOMA)",
        "history": [
            {
                "frn_usd": 18357825800,
                "mbs_usd": 1957187501265.1,
                "cmbs_usd": 7598700119.7,
                "tips_usd": 279041230200,
                "bills_usd": 469471926700,
                "total_usd": 6331014782284.8,
                "as_of_date": "2026-06-03",
                "agencies_usd": 2347000000,
                "notes_bonds_usd": 3597010598200,
                "tips_inflation_compensation_usd": 105411554928.19
            },
            {
                "frn_usd": 18357825800,
                "mbs_usd": 1957187501265.1,
                "cmbs_usd": 7598700119.7,
                "tips_usd": 279041230200,
                "bills_usd": 462895926700,
                "total_usd": 6324463782284.8,
                "as_of_date": "2026-05-27",
                "agencies_usd": 2347000000,
                "notes_bonds_usd": 3597035598200,
                "tips_inflation_compensation_usd": 104570610142.22
            },
            {
                "frn_usd": 18357825800,
                "mbs_usd": 1970040695527.8,
                "cmbs_usd": 7619857248.3,
                "tips_usd": 279041230200,
                "bills_usd": 459606926700,
                "total_usd": 6334049133676.1,
                "as_of_date": "2026-05-20",
                "agencies_usd": 2347000000,
                "notes_bonds_usd": 3597035598200,
                "tips_inflation_compensation_usd": 103670101660.21
            },
            {
                "frn_usd": 18357825800,
                "mbs_usd": 1973437803251.6,
                "cmbs_usd": 7622211743,
                "tips_usd": 279041230200,
                "bills_usd": 453030926700,
                "total_usd": 6330872595894.6,
                "as_of_date": "2026-05-13",
                "agencies_usd": 2347000000,
                "notes_bonds_usd": 3597035598200,
                "tips_inflation_compensation_usd": 102769690456.36
            },
            {
                "frn_usd": 18357825800,
                "mbs_usd": 1973437803251.6,
                "cmbs_usd": 7622211743,
                "tips_usd": 279041230200,
                "bills_usd": 437856926700,
                "total_usd": 6315698595894.6,
                "as_of_date": "2026-05-06",
                "agencies_usd": 2347000000,
                "notes_bonds_usd": 3597035598200,
                "tips_inflation_compensation_usd": 101869315825.46
            },
            {
                "frn_usd": 16412388300,
                "mbs_usd": 1973437803251.6,
                "cmbs_usd": 7622211743,
                "tips_usd": 275768943500,
                "bills_usd": 430271926700,
                "total_usd": 6308113595894.6,
                "as_of_date": "2026-04-29",
                "agencies_usd": 2347000000,
                "notes_bonds_usd": 3602253322400,
                "tips_inflation_c
…