Currency Exchange Rate Tracker — Live Rates & Change avatar

Currency Exchange Rate Tracker — Live Rates & Change

Pricing

$10.00 / 1,000 rate checks

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Currency Exchange Rate Tracker — Live Rates & Change

Currency Exchange Rate Tracker — Live Rates & Change

Get current exchange rates for a base currency against a list of others, plus the percent change over a chosen number of days. Official ECB reference rates, for finance and international ops teams.

Pricing

$10.00 / 1,000 rate checks

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0.0

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Developer

Timothy Kelvin

Timothy Kelvin

Maintained by Community

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0

Bookmarked

2

Total users

1

Monthly active users

24 days ago

Last modified

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Get current exchange rates for a base currency against a list of others, plus the percent change over a chosen number of days.

Built for finance and international ops teams who want to know not just today's rate but whether it's moved meaningfully since last week.

Input

{
"baseCurrency": "USD",
"targetCurrencies": "EUR,GBP,JPY",
"daysBack": 7
}
FieldTypeDescription
baseCurrencystringThree-letter ISO currency code to convert from. Default "USD".
targetCurrenciesstring (optional)Comma-separated three-letter currency codes. Leave blank for all available currencies.
daysBacknumberCompute percent change versus the rate this many days ago. Default 7, max 90.

Output

One record per currency:

{
"baseCurrency": "USD",
"currency": "EUR",
"currentRate": 0.86453,
"currentDate": "2026-08-14",
"comparisonRate": 0.8707,
"comparisonDate": "2026-07-31",
"percentChange": -0.7085
}

comparisonDate may differ slightly from an exact daysBack offset — forex markets are closed on weekends and ECB holidays, so the nearest prior trading day is used automatically.

A request is billed once regardless of how many target currencies are returned.

How it works

Direct calls to the Frankfurter API (api.frankfurter.dev), which re-serves the European Central Bank's daily reference rates. No proxy, no key, no scraping — free for commercial use, open source (MIT).

Pricing note

Billed per request, not per currency returned — one charge whether you check 1 currency or all of them.