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Set up with your AI agent. Works with Claude Code, Cursor, Codex, VS Code and any agent that can run commands

AI coding agents: run curl -s https://fxapi.com/agents.md and follow it (API key, first call, plans).

Foreign exchange rates API

Foreign exchange rates made simple and transparent

Real-time and historical exchange rates for 190+ currencies, crypto and precious metals in one JSON API, with conversion, time series, OHLC candles, fluctuation and averages. Rates refresh every 60 seconds on Professional and Enterprise, hourly on Basic and daily on the free plan.

Currencies190+
UpdatesUp to every 60 s
HistorySince 1999
Free plan300 req / mo
Sign up for free Read the documentation
01

Updates every 60 seconds

On Professional and Enterprise, every rate refreshes every 60 seconds. Basic updates hourly, the free plan daily.

02

190+ currencies

Every major fiat currency, plus Bitcoin, Ethereum and other cryptocurrencies, and gold, silver, platinum and palladium.

03

Secure by default

HTTPS everywhere, IP and URL allowlists and team access controls keep your keys and data safe. Every measure is listed in our Trust Center.

Key facts

fxapi at a glance

A foreign exchange rates API – also called an FX rates API – is a web service that returns currency exchange rates as machine-readable data over HTTPS. fxapi, built by Everapi GmbH (Austria), delivers real-time and historical mid-market exchange rates for 190+ currencies as JSON – for pricing, currency conversion, accounting, analytics and AI agents.

ProviderEverapi GmbH, Austria (EU)
DataReal-time and historical foreign exchange rates (mid-market reference rates)
Currencies190+: active ISO 4217 fiat currencies, gold, silver, platinum, palladium and 16 cryptocurrencies
Historical dataDaily exchange rates since 1 January 1999
Update frequencyEvery 60 seconds (Professional, Enterprise) · hourly (Basic) · daily (Free)
Endpointslatest, historical, rate, matrix (cross rates), convert, range (time series), ohlc (candles), fluctuation, average, currencies, status
Format & authREST over HTTPS · JSON, CSV or Excel (XLSX) on every data endpoint · API key in the apikey header
Plan accesslatest, historical, rate, matrix, fluctuation and average on every plan, including Free · convert from Basic · range and ohlc from Professional
Not includedBid/ask spreads and trade execution · a rate-source switch: there is no parameter such as source=ecb or source=boe to pick central-bank rates – every rate is a mid-market reference rate
Base currencyAny supported currency on every plan (default USD)
Free plan$0 · 300 requests/month · no credit card
Paid plans$9.99 · $34.99 · $74.99 per month (15,000 / 600,000 / 1,700,000 requests)
SDKs & toolsJavaScript, Python, PHP, Ruby, C#, Rust · OpenAPI 3.1 · hosted MCP server for AI agents
Endpoints

Eleven endpoints for exchange rate data

Latest and historical rates, single pairs, cross-rate tables, time series, OHLC candles, conversions, fluctuations and averages, as JSON, CSV or Excel, with any currency as the base.

Read the documentation →
/v1/latest

The latest rates; USD is the default base.

Free plan /v1/historical

Rates for one date, generally back to 1999.

Free plan /v1/rate

One currency pair, now, at a past date or at a moment of the day.

Free plan /v1/matrix

Every cross rate between 2 to 25 currencies in one table.

Free plan /v1/convert

Convert an amount for today or any date.

From Basic /v1/range

A series of rates between two dates.

From Professional /v1/ohlc

Hourly or daily candles: open, high, low and close.

From Professional /v1/fluctuation

Each currency's change between two dates.

Free plan /v1/average

Monthly, quarterly or yearly averages, lows and highs.

Free plan /v1/currencies

Every supported currency.

Free plan /v1/status

Your remaining quota.

Free plan
How it works

How the foreign exchange rates API works

fxapi is a REST API that returns mid-market currency exchange rates as JSON. Send one HTTPS request with your API key, pick a base currency and the currencies you need – the response contains every rate plus the exact time it was last updated.

01 · Get a key

Sign up for free

Create an account and copy your API key – no credit card. The free plan includes 300 requests a month with daily updates.

02 · GET /v1/latest

Request exchange rates

Send the key in the apikey header. Choose any of the 190+ currencies (ISO 4217 fiat, metals or crypto) as base_currency, or ask for a past date since 1999.

03 · JSON · CSV

Use the data anywhere

Read data.EUR.value in your backend, spreadsheet or BI tool – or let an AI agent call it through the MCP server. Time series and averages also come as CSV.

Popular currencies

Every currency works as base and target. Codes, symbols, pegs and ready-to-run requests for the most requested currencies:

USDUS DollarEUREuroGBPPound SterlingJPYJapanese YenCHFSwiss FrancCADCanadian DollarAUDAustralian DollarCNYChinese YuanINRIndian RupeeSGDSingapore DollarSEKSwedish KronaPLNPolish ZlotyMXNMexican PesoBRLBrazilian RealTRYTurkish LiraZARSouth African RandAEDUAE Dirham 190+All currencies, crypto & metals
Pricing

Plans

Start free with 300 requests a month. Paid plans add faster updates, more endpoints and team features.

Compare all plans →
PlanPer monthRequests / monthUpdatesIncludes
Free$0300DailyLatest, historical, single-pair, matrix, fluctuation and averages
Basic$9.9915,000HourlyFree features plus the conversion endpoint
Professional Most popular$34.99600,000Every minuteBasic features plus the range and OHLC endpoints, team management, sandbox keys
Enterprise$74.991,700,000Every minuteProfessional features plus IP and URL whitelisting, SLA

Yearly billing: two months free. Prices exclude VAT.

Built for AI agents

A hosted MCP server for exchange rates

Connect Claude, Cursor, VS Code or any other MCP client. The API's endpoints become tools your agent can call, with your API key in the apikey header.

MCP https://api.fxapi.com/mcp
ClaudeCursorVS CodeClaude Code
How to connect →
// mcp.json
{
  "mcpServers": {
    "fxapi": {
      "url": "https://api.fxapi.com/mcp",
      "headers": { "apikey": "YOUR_API_KEY" }
    }
  }
}
Use cases

What teams build with fxapi

From checkout prices to month-end close – the same endpoints power product, finance and data workflows.

All use cases →
Use cases

E-commerce pricing

Convert catalog prices into 190+ currencies, round to charm prices and lock the rate at checkout.

Read more → Use cases

Accounting & reporting

Transaction-date, closing and average rates for IAS 21 / ASC 830 month-end close, as JSON or CSV.

Read more → Use cases

Fintech & payments

Reference rates for indicative quotes, FX markup transparency, wallets, payouts and reconciliation.

Read more → Use cases

SaaS billing & invoicing

Localized price tables, invoices in the customer's currency and revenue reporting in your base currency.

Read more → Use cases

BI & analytics

Load daily FX series into BigQuery, Snowflake or Postgres and build constant-currency reports.

Read more → Use cases

Travel & booking

Multi-currency fares, traveler budget tools and offline-ready rates for 190+ currencies.

Read more →
Developer resources

Integrate in minutes, in any stack

Copy-paste guides for every major language, the full currency list and honest comparisons with other exchange rate APIs.

All guides →
Guides

Python

requests, async httpx, pandas time series, Decimal conversion, caching and error handling in Python.

Read more → Guides

JavaScript / Node.js

Node.js fetch, TypeScript types, a Next.js route handler and server-side caching for exchange rates.

Read more → Guides

PHP

cURL, Guzzle and a cached Laravel service for live and historical exchange rates in PHP.

Read more → Guides

Google Sheets

Apps Script FXRATE() custom function, a scheduled rates tab and quota-friendly caching for Sheets.

Read more →

Currencies

All 190+ currencies in the fxapi exchange rate API: fiat, precious metals, crypto and legacy codes.

Read more → Learn

Exchange rate API explained

How an exchange rate API works, what data it returns and how to evaluate a provider.

Read more →

Alternatives

The best exchange rate APIs of 2026 compared: price per 100k requests, free tiers, base currency, update speed and history.

Read more → Features

Free exchange rate API

300 free requests per month, latest and historical rates, no credit card.

Read more →
Compare

fxapi vs. other exchange rate APIs

How fxapi compares with popular alternatives on free tier, entry price, update speed and history.

All comparisons →
APIFree tierEntry priceFastest updatesHistory
fxapi This site300 req/mo, any base, fluctuation & averages$9.99 (15,000 req)60 s (from $34.99)Since 1999
Open Exchange Rates1,000 req/mo, USD base only$12 (10,000)5 min ($97); 1 s on requestSince 1999
ExchangeRate-API1,500 req/mo, daily$10 (30,000)5 min ($30)Paid plans
CurrencyFreaks1,000 calls/mo, USD base only$9.99 (15,000)60 s (from $99.99)Since 1984 (major fiat, paid)
CurrencyBeacon5,000 req/mo, USD base only$10 (50,000)1 min (from $99)Since 1996
FrankfurterFree, no key, daily rates– (open source)DailySince 1948

Competitor data from each provider's own pricing pages, checked October 8–9, 2026 – see the comparison pages for sources. Plans change; verify on their sites.

Frequently asked questions

What is a foreign exchange rates API?
A web service, also called an FX rates API, that returns currency exchange rates in a machine-readable format such as JSON. Your application requests the latest EUR/USD rate, the rate on a past date or a converted amount over HTTPS and uses it directly in prices, invoices, reports or dashboards. Read the full explainer.
Is fxapi free?
Yes. The Free plan includes 300 requests a month with daily updates and the latest, historical, fluctuation and average endpoints – no credit card required. Paid plans start at $9.99 a month. See the free plan details and pricing.
How often are the exchange rates updated?
Every 60 seconds on Professional and Enterprise, hourly on Basic and daily on Free. Every response includes a last_updated_at timestamp.
How many currencies are supported?
190+: the active ISO 4217 fiat currencies we cover, gold, silver, platinum and palladium, and 16 cryptocurrencies such as BTC and ETH. See the currency list.
How far back does historical data go?
Daily data goes back to 1 January 1999. Use /v1/historical for single dates, /v1/range for time series and /v1/average for monthly, quarterly or yearly averages.
What is the best foreign exchange rates API?
It depends on what you need. Check update frequency, historical depth, base-currency support on the free plan, time-series and average endpoints, and price at your volume. fxapi offers 60-second updates from $34.99, daily history since 1999, any base currency on every plan and fluctuation plus period averages on the free plan. See the side-by-side comparison.
Can I get real-time foreign exchange rates from fxapi?
Yes. On the Professional and Enterprise plans the real-time exchange rate API refreshes every 60 seconds; Basic updates hourly. The rates are mid-market reference rates, not executable trading quotes.
Can I switch fxapi to ECB or Bank of England rates?
No. fxapi has no rate-source parameter such as source=ecb or source=boe. Every endpoint returns mid-market reference rates – not central-bank fixings and not bid/ask quotes. Read more about the mid-market rate.
Which endpoints are included on the Free plan?
Latest, historical, rate, matrix, fluctuation, average, currencies and status are included on every plan, including Free, with any base currency. The convert endpoint starts on Basic ($9.99/month); range (time series) and OHLC candles start on Professional ($34.99/month). See pricing.
Can I use fxapi in Excel or Google Sheets?
Yes – with Power Query in Excel or an Apps Script custom function in Google Sheets. Step-by-step: Excel guide and Google Sheets guide. Every data endpoint also returns CSV (format=csv) or an Excel workbook (format=xlsx).
Can I change the base currency?
Yes, on every plan. Pass base_currency with any supported code; the default is USD.
Which programming languages are supported?
Any language that can make an HTTPS request. There are official SDKs for JavaScript, Python, PHP, Ruby, C# and Rust, an OpenAPI 3.1 spec and step-by-step guides.
Custom plans

Get a custom plan!

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Contact us Get your API key