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API · /fxcorrelation-api

FX Correlation Matrix API

healthy 4,097 Subscribers

How the major currency pairs move together, computed live from Yahoo Finance daily closes — no key, nothing stored. Correlation is the input every FX desk needs before sizing a book: going long EUR/USD and long GBP/USD is not two bets but one, because the pairs move almost in lockstep; shorting USD/JPY against long EUR/USD doubles the same dollar view. This API turns the majors and key crosses into the pairwise correlation grid traders use to avoid stacking the same risk and to find genuine diversifiers. The matrix endpoint returns the full correlation matrix across ~14 pairs over a chosen window. The pair endpoint returns one pair's correlation to every other, ranked — its closest co-movers and its best hedges (the most negatively correlated). The highlights endpoint surfaces the most correlated and most inversely correlated pairs across the whole grid, the actionable extremes. Correlation is computed on daily log returns aligned over common trading days. This is the FX-pair correlation cut — distinct from the cross-asset-class correlation matrix (stocks/bonds/gold/oil/crypto/dollar), the currency-strength meter, the FX heat-map (which shows the day's move, not co-movement) and the price APIs in the catalogue.

#fx-correlation #forex #currency-pairs #correlation-matrix #risk #diversification #trading #finance
api.oanor.com/fxcorrelation-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
222 ms
Server probes · 24h
Subscribers
4,097
active
Total calls
0
last 7 days
status Full status page → · 4 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

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

€11.70 /month

  • 15,200 calls / month
  • 6 requests / second
  • Hard cap (429 above quota, no overage)
  • 15.2k calls/month
  • 6 req/sec
  • All pairs & windows
  • Email support
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Pro

€35.20 /month

  • 83,000 calls / month
  • 16 requests / second
  • Hard cap (429 above quota, no overage)
  • 83k calls/month
  • 16 req/sec
  • Priority support
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Mega

€79.20 /month

  • 468,000 calls / month
  • 40 requests / second
  • Hard cap (429 above quota, no overage)
  • 468k calls/month
  • 40 req/sec
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

COT Index API

The normalised Commitments-of-Traders positioning signal traders actually act on, computed live from the US CFTC public reporting API — no key. A raw COT net-position number means little on its own: "large speculators are +176,020 contracts net long gold" tells you nothing until you know whether that is high or low versus history. The COT Index fixes that by normalising each trader group's current net futures position to a 0-100 percentile over a lookback window (the classic Larry Williams 156-week / three-year COT Index): 100 = the most net-long that group has been in the window, 0 = the most net-short. Above 80 marks a crowded long extreme (contrarian bearish), below 20 a crowded short extreme (contrarian bullish). The index endpoint returns one market's COT Index for both the large speculators (non-commercials) and the commercial hedgers, with the current net, the window min/max, the week-over-week change and an extreme flag. The screener endpoint computes the index across a curated set of 17 FX, stock-index, metal, energy and grain futures and ranks them, surfacing which markets sit at a positioning extreme right now. This is the normalised positioning-signal cut — distinct from the raw COT-report feed (which serves the weekly long/short contract counts), and from the price, open-interest and options-positioning APIs. It turns the report into the signal.

api.oanor.com/cotindex-api

FX Cross-Rate Heatmap & Matrix API

The full grid of every major currency against every other, with the day's move in each cell, computed live from Yahoo Finance (no key, nothing stored). It is the dashboard every FX desk keeps open: an 8x8 matrix of the majors (USD, EUR, GBP, JPY, CHF, AUD, CAD, NZD) showing the cross rate and the percentage change on the day for every pair at once, so you can see in a single glance which currencies are bid and which are offered across the board. The matrix endpoint returns the whole rate grid plus the matching change-on-the-day heatmap, and derives the strongest and weakest currency from their average move against the basket. The cross endpoint returns one pair's rate and daily change. The currencies endpoint lists what is covered. The FX cross-rate matrix / heatmap cut — distinct from the bring-your-own-rates cross-rate & triangular-arbitrage calculator, the currency-strength meter (one aggregate score per currency) and the single-pair price APIs. It is the whole board, live.

api.oanor.com/fxheatmap-api

Forex Movers & Performance API

What is actually moving in the currency market right now, computed live from Yahoo Finance (no key, nothing stored). Just as stock and crypto traders watch the day's biggest gainers and losers, FX traders want the pairs on the move — the ones breaking out and breaking down across the majors and crosses. For every pair this measures the change on the day, over the week and over the month, with the day's high and low and where the current rate sits in that day's range. The movers endpoint returns the whole board ranked by daily change — the top gainers and losers — plus the weekly and monthly leaders, so you can see momentum across horizons at a glance. The pair endpoint returns one pair's full performance card. The pairs endpoint lists what is covered. The FX movers / performance-dashboard cut — distinct from the currency-strength meter (which aggregates each currency's move across all its pairs into one score), the FX price, range and volatility APIs. It answers which pairs are moving today, not how strong the euro is.

api.oanor.com/fxmovers-api

FX Z-Score & Mean-Reversion API

How statistically stretched each currency pair is right now versus its own recent average — the z-score mean-reversion gauge — computed live from Yahoo Finance daily rates (no key, nothing stored). A price alone tells you nothing about whether a pair is cheap or dear; the z-score does: it measures how many standard deviations the current rate sits above or below its rolling mean. A pair two standard deviations above its average is statistically overbought and prone to snap back; two below is oversold. The zscore endpoint returns, for a pair, the current rate, its rolling mean and standard deviation, the z-score, the percent distance from the mean and a plain overbought / oversold label. The screener endpoint scans the major and cross pairs and ranks them by how stretched they are — the most overbought and most oversold at a glance, the mean-reversion opportunity scan. The pairs endpoint lists what is covered. The statistical-stretch / mean-reversion cut for FX — distinct from the FX range, pivot-point, volatility and signals APIs. It answers how far from normal a pair is, not where its support sits or how fast it moves.

api.oanor.com/fxzscore-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for FX Correlation Matrix API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call FX Correlation Matrix API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for FX Correlation Matrix 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 FX Correlation Matrix API cost?
FX Correlation Matrix API has a free tier with 100 calls / month. Paid plans start at €11.70 / 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 FX Correlation Matrix API GDPR-compliant?
All requests to FX Correlation Matrix 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/fxcorrelation-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/fxcorrelation-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/fxcorrelation-api/SOME_PATH");
curl_setopt($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/fxcorrelation-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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