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API · /usrates-api

US Reference Rates API

healthy 4,376 Subscribers

Live US money-market benchmark rates from the Federal Reserve Bank of New York's public markets API — no key, nothing cached. These are the rates that price trillions of dollars of loans and derivatives now that LIBOR is gone. The rates endpoint returns every benchmark the New York Fed publishes in one call: SOFR (the Secured Overnight Financing Rate, the headline US benchmark, around 3.6% on over three trillion dollars of daily volume), the Effective Federal Funds Rate (EFFR), the Overnight Bank Funding Rate (OBFR), and the Treasury and Broad General Collateral Rates (TGCR, BGCR) — each with its rate, the daily transaction volume in billions and the effective date. The sofr endpoint gives SOFR in detail with its full percentile distribution (1st, 25th, 75th, 99th) and recent trend. The history endpoint returns the recent daily path of any one rate. This is the benchmark-rate layer for any fixed-income, derivatives, lending, treasury or macro app that needs authoritative US overnight rates. Live from the New York Fed, nothing stored. Distinct from the ECB and central-bank-policy APIs — these are the US secured and unsecured money-market reference rates. 4 endpoints.

#sofr #effr #reference-rates #new-york-fed #interest-rates #fixed-income #finance
api.oanor.com/usrates-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
229 ms
Server probes · 24h
Subscribers
4,376
active
Total calls
28
last 7 days
status Full status page → · 12 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 11,600 calls / month
  • 3 requests / second
  • Hard cap (429 above quota, no overage)
  • 11,600 calls/month
  • 3 req/sec
  • All rates, SOFR detail & history
  • No credit card
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Starter

€8.00 /month

  • 136,000 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 136,000 calls/month
  • 8 req/sec
  • Percentile distribution & daily volumes
  • Email support
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Pro

€21.00 /month

  • 648,000 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 648,000 calls/month
  • 15 req/sec
  • Fixed-income, lending & derivatives pipelines
  • Priority support
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Scale

€51.50 /month

  • 3,120,000 calls / month
  • 30 requests / second
  • Hard cap (429 above quota, no overage)
  • 3,120,000 calls/month
  • 30 req/sec
  • Benchmark-rate analytics scale
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Bitcoin Reference Rates API

The value of one bitcoin expressed across every unit CoinGecko tracks — world fiat currencies, precious metals (gold and silver, troy ounce) and other cryptocurrencies, powered by the public CoinGecko exchange-rates feed, no key, nothing stored. This is the "Bitcoin standard" / unit-of-account view: not a coin's dollar price, but how much of each asset one BTC buys right now — 1 BTC in US dollars, euros and yen, in ounces of gold and silver, and in ether, satoshi and dozens more. The rates endpoint returns every unit with its value and asset type; the rate endpoint returns one specific unit (gold, the euro, ether); the groups endpoint splits the units into fiat, commodity and crypto so you can see what a bitcoin is worth across asset classes at a glance. This is the Bitcoin-denominated reference-index cut — distinct from the coin-price converters, the market-overview and the per-exchange ticker APIs in the catalogue.

api.oanor.com/btcrates-api

South African Reserve Bank (SARB) API

Live headline economic and financial indicators from the South African Reserve Bank (SARB), the central bank of South Africa — read straight from the SARB public web-indicators feed, no key, nothing stored. The dashboard endpoint returns the bank's full headline board exactly as published on its home page: the policy repo rate, prime lending rate, Sabor and Zaronia money-market rates, benchmark government-bond closing yields, the rand exchange rates and the latest inflation prints. The fx endpoint isolates the rand exchange rates — rand per US dollar, British pound, euro and Japanese yen — plus the nominal effective exchange rate. The interest endpoint returns the policy and lending rates with the benchmark bond yields. The inflation endpoint returns the latest CPI and PPI. The marketrates endpoint returns the fuller current money-market rate list. Every indicator carries its own as-of date and a direction versus the prior print. This is South-African central-bank data (ZAR rates, yields and inflation) — distinct from the crypto ZAR exchange-ticker and the other central-bank APIs in the catalogue.

api.oanor.com/sarb-api

US Federal Fiscal API

Live US federal fiscal data from the US Treasury's official FiscalData API — the cost-and-flow side of US public finance. Get the federal budget deficit or surplus by month for the current fiscal year (receipts, outlays and the net) from the Monthly Treasury Statement; the interest the United States pays to service its national debt, by month and fiscal-year-to-date, broken down by security type; and the average interest rate the Treasury pays on each class of its debt (Bills, Notes, Bonds, TIPS) plus the weighted overall rate. Live, no key, nothing cached. Distinct from debt-level (debt-to-the-penny) and auction feeds — this is the deficit, the interest bill and the average rate on the debt.

api.oanor.com/usfiscal-api

BIS Central Bank Policy Rates API

The headline interest rate of every major central bank in the world, side by side, served live from the Bank for International Settlements' open statistics API — no key, nothing cached. The BIS compiles the official policy rate for around 40 monetary authorities — the Federal Reserve, the ECB, the Bank of England, the Bank of Japan and dozens more — onto one consistent monthly series. The policy-rates endpoint returns the current rate for every central bank in a single call, ranked from highest to lowest, so you can see the whole global rate landscape at a glance: in mid-2026 Türkiye near 37% at the top and the US Federal Reserve around 3.6%. The country endpoint returns one central bank's policy rate with its full history and its latest move. The changes endpoint compares each bank's two most recent readings and reports who has hiked, who has cut and who is on hold, with the size of the move — the global rate-cycle dashboard. Everything is the BIS's own compiled data, live, nothing stored; rates are monthly. This is the global monetary-policy layer for any macro, fixed-income, forex or research app. Distinct from single-central-bank APIs — this is every central bank's policy rate in one place, from the BIS. 3 endpoints, no key on our side.

api.oanor.com/bis-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for US Reference Rates API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call US Reference Rates API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for US Reference Rates 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 US Reference Rates API cost?
US Reference Rates API has a free tier with 100 calls / month. Paid plans start at €8.00 / 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 US Reference Rates API GDPR-compliant?
All requests to US Reference Rates 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/usrates-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/usrates-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/usrates-api/SOME_PATH");
curl_setopt($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/usrates-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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