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API · /yadio-api

Yadio Real FX API

healthy 3,702 Subscribers

Live "real" market exchange rates derived from local cryptocurrency (BTC/USDT) trading. Because they are implied by where people actually buy and sell crypto, these rates track the true street/parallel value of a currency — for stressed currencies (Argentine peso, Nigerian naira, Venezuelan bolívar, Lebanese pound …) this is far from the official rate. The rates endpoint returns one base currency against ~130 currencies plus the BTC price; the convert endpoint converts any amount between two currencies; the btc endpoint returns the BTC price in a chosen currency (the crypto bridge that powers every rate); the currencies endpoint lists every supported currency. Read live, nothing stored. This is a global crypto-implied real-rate layer — distinct from official ECB/central-bank rate feeds and from single-country parallel-dollar APIs.

#forex #exchange-rates #crypto-implied #parallel-market #currency-conversion #bitcoin #fx
api.oanor.com/yadio-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
228 ms
Server probes · 24h
Subscribers
3,702
active
Total calls
5
last 7 days
status Full status page → · 10 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 3,500 calls / month
  • 3 requests / second
  • Hard cap (429 above quota, no overage)
  • 3.5k calls/month
  • 3 req/sec
  • All endpoints
  • No credit card
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Starter

€6.50 /month

  • 90,000 calls / month
  • 12 requests / second
  • Hard cap (429 above quota, no overage)
  • 90k calls/month
  • 12 req/sec
  • Email support
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Pro

€20.50 /month

  • 450,000 calls / month
  • 35 requests / second
  • Hard cap (429 above quota, no overage)
  • 450k calls/month
  • 35 req/sec
  • Priority support
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Scale

€48.00 /month

  • 2,800,000 calls / month
  • 110 requests / second
  • Hard cap (429 above quota, no overage)
  • 2.8M calls/month
  • 110 req/sec
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

FX Cross-Rate & Triangular Arbitrage API

Live cross-rate, triangular-arbitrage and conversion-path maths that FX desks and trading bots run on a set of quoted rates, computed on demand from the legs you pass in — no key, no cache, nothing stored. The cross endpoint chains two pairs that share a currency into the implied third rate (EUR/USD x USD/JPY gives EUR/JPY) and, if you supply the quoted cross, returns the discrepancy in basis points and whether it is arbitrageable. The triangular endpoint takes a closed loop of three rates and detects a triangular-arbitrage opportunity — the cycle product, the profit in percent, the winning direction (forward or reverse) and the payout on a notional. The chain endpoint converts an amount along a path of pairs and returns the amount at every hop with the effective rate. Each leg is written FROMTO:rate, meaning one unit of FROM buys that many of TO (e.g. EURUSD:1.08). This is an FX cross-rate and arbitrage engine that reasons across several pairs at once, distinct from pip/lot calculators and single-pair converters. Computed locally and deterministically, so it is instant and private. Ideal for FX arbitrage scanners, multi-currency pricing, treasury routing and trading dashboards. Live, nothing stored. 3 compute endpoints. For live quotes feed in rates from an FX or exchange API.

api.oanor.com/fxcross-api

FX Forward API

Live FX forward and interest-rate-parity maths that FX desks and treasurers run — computed on demand and deterministically, no key, nothing cached. Get the outright forward rate, forward points (in price and pips) and the annualised forward premium or discount from a spot rate, the two currencies' interest rates and a tenor; the full forward-points curve across standard tenors; the interest rate implied by a quoted forward; and a covered interest-rate-parity check that compares a market forward to its theoretical value and reports the cross-currency basis. Works for any currency pair. A forwards-and-parity engine, distinct from spot calculators and risk tools: it turns spot and rates into the forwards, points and basis a desk quotes.

api.oanor.com/fxforward-api

FX History API

Live historical foreign-exchange rates and analytics from the European Central Bank's daily reference rates — no key, nothing cached. Get the daily rate of a currency pair over any date range; the absolute and percentage move between two dates with its high and low; min, max, average, volatility and the best and worst day over a range; and every rate on a specific date. An FX history-and-analytics layer, distinct from spot-conversion feeds — it turns the ECB rate archive into the time series, moves and volatility a trader or analyst studies. Around 30 currencies, weekdays, back to 1999.

api.oanor.com/fxhistory-api

Forex Calculator API

Live foreign-exchange trading calculators computed from live ECB reference rates. The pip-value endpoint returns what one pip of a currency pair is worth, in the trader's account currency, for a given lot size. The position-size endpoint returns how many lots to trade to risk a fixed percentage of the account on a given stop-loss. The profit-loss endpoint returns the P&L of a trade from its entry, exit and direction. The margin endpoint returns the margin a position requires at a given leverage. All conversion to the account currency uses live exchange rates. Computed live, nothing stored. Distinct from raw FX-rate feeds — this turns rates into the pip values, position sizes, margins and P&L a trader acts on.

api.oanor.com/fxcalculator-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Yadio Real FX API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Yadio Real FX API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Yadio Real FX 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 Yadio Real FX API cost?
Yadio Real FX API has a free tier with 100 calls / month. Paid plans start at €6.50 / 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 Yadio Real FX API GDPR-compliant?
All requests to Yadio Real FX 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/yadio-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/yadio-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/yadio-api/SOME_PATH");
curl_setopt($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/yadio-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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