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API · /fedsoma-api

Fed SOMA Balance Sheet API

healthy 3,884 Subscribers

Live data on the Federal Reserve's balance sheet — the System Open Market Account (SOMA) — via the Federal Reserve Bank of New York's public markets API. SOMA is the portfolio of Treasury securities, agency debt and agency MBS the Fed holds, the asset side of the world's most important central-bank balance sheet, the thing that grows in QE and shrinks in QT. Get the latest weekly snapshot — total holdings and the breakdown across bills, notes and bonds, TIPS, FRNs, agency MBS, CMBS and agency debt. Pull the weekly time series back two decades to see every round of quantitative easing and tightening. Read the actual line-item securities the Fed owns — each CUSIP with its security type, maturity, coupon, par value held and share of the issue outstanding. Bucket the Treasury holdings by time to maturity, the profile that drives the pace of runoff. Live, no key, nothing stored. Distinct from money-market reference-rate, FX-rate, central-bank-policy and stock-index APIs — this is the size, composition and maturity of the Fed's actual securities portfolio. Perfect for rates, macro, fixed-income and analytics apps.

#fed #soma #federal-reserve #balance-sheet #treasury #qe #fixed-income #macro
api.oanor.com/fedsoma-api
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Machine-readable spec so AI agents can integrate this API.

/api/fedsoma-api/openapi.json
/api/fedsoma-api/llms.txt

Discovery: GET /api/index.json lists every API.

Fed SOMA Balance Sheet API — live data on the oanor API marketplace

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
166 ms
Server probes · 24h
Subscribers
3,884
active
Total calls
80
last 7 days
status Full status page → · 16 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 5,000 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 5k calls/month
  • 2 req/sec
  • Balance + history + holdings + maturity
  • No credit card
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Starter

€10.00 /month

  • 120,000 calls / month
  • 5 requests / second
  • Hard cap (429 above quota, no overage)
  • 120k calls/month
  • 5 req/sec
  • Email support
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Pro

€28.00 /month

  • 780,000 calls / month
  • 12 requests / second
  • Hard cap (429 above quota, no overage)
  • 780k calls/month
  • 12 req/sec
  • Priority support
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Business

€68.00 /month

  • 4,300,000 calls / month
  • 30 requests / second
  • Hard cap (429 above quota, no overage)
  • 4.3M calls/month
  • 30 req/sec
  • Dedicated SLA
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Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Fed SOMA Balance Sheet API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Fed SOMA Balance Sheet API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Fed SOMA Balance Sheet API?
Free tier allows 1 request per second. Paid plans scale up to 50 requests per second on the Mega tier. Hard limits return HTTP 429 above the quota — no surprise overage charges.
How much does Fed SOMA Balance Sheet API cost?
Fed SOMA Balance Sheet API has a free tier with 100 calls / month. Paid plans start at €10.00 / month with higher quotas and faster rate limits.
Can I cancel my subscription anytime?
Yes. Plans are billed monthly and you can cancel anytime from your billing dashboard. No long-term contracts and no cancellation fee.
Is Fed SOMA Balance Sheet API GDPR-compliant?
All requests to Fed SOMA Balance Sheet API go through our EU-based gateway. Your upstream API key never leaves our server and no personal data is shared with the upstream provider beyond the request you send.

Pick an endpoint from the list on the left to see its details and try it.

Code snippets

Sign up to get an API key, then call any path under your slug.

curl https://api.oanor.com/fedsoma-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/fedsoma-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/fedsoma-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);
import requests
r = requests.get(
    "https://api.oanor.com/fedsoma-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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