Digital code visualization representing currency exchange data

Global Currency Data Made Simple

Fast, reliable foreign exchange data through a developer-friendly API. Power your applications with real-time rates updated every 60 seconds.

Get Your API Key View Documentation

Trusted by developers at:

Fintech Co. GlobalPay TravelEx + 2,000 more

API Request

GET https://api.openexchangeapi.com/v1/latest
  ?base=USD&apikey=your_api_key

{
  "base": "USD",
  "timestamp": 1632145200,
  "rates": {
    "EUR": 0.853,
    "GBP": 0.731,
    "JPY": 109.62,
    "CAD": 1.282
    // ... and 170+ currencies
  }
}

Powerful Exchange Features

Everything you need for seamless currency exchange integration in one developer-friendly API.

Live Exchange Rates

Get real-time currency data updated every 60 seconds for accurate conversions.

Historical Rates

Access past exchange data for comprehensive analysis and reporting needs.

Currency Conversion API

Convert amounts between currencies with precision and reliability.

Secure API Key System

Generate and manage keys for each project with enterprise-grade security.

Usage Analytics

Monitor quota, performance, and error logs through an intuitive dashboard.

Clean JSON Responses

Fast, structured, easy-to-parse data for seamless integration.

Modern Dashboard Interface

Manage API keys, view usage statistics, and access documentation all in one intuitive place.

Real-time usage monitoring
One-click API key generation
Interactive documentation

Simple, Transparent Pricing

Choose the plan that fits your needs with no hidden fees or surprises.

View Pricing Plans

How It Works

Integrate currency exchange data into your applications in minutes, not days.

Sign Up & Get API Key

Create an account and generate your API key in seconds. No credit card required to start.

// Your unique API key
API_KEY = "ox_sk_1a2b3c4d5e6f7g8h9i0j"

Digital visualization representing API key generation

Flowing data visualization representing API requests

Make API Requests

Send requests to our endpoints using your preferred programming language.

// JavaScript example
fetch('https://api.openexchangeapi.com/v1/latest?base=USD&apikey=YOUR_API_KEY')
  .then(response => response.json())
  .then(data => console.log(data));

Integrate & Monitor

Use the returned data in your application and monitor usage through our dashboard.

// Response example
{
  "base": "USD",
  "timestamp": 1632145200,
  "rates": {
    "EUR": 0.853,
    "GBP": 0.731,
    "JPY": 109.62,
    // ... and 170+ currencies
  }
}

Digital code visualization representing data integration

Ready to get started?

Get Your API Key Read Documentation

// JavaScript Example
const apiKey = 'YOUR_API_KEY';

// Get latest exchange rates
fetch(`https://api.openexchangeapi.com/v1/latest?base=USD&apikey=${apiKey}`)
  .then(response => response.json())
  .then(data => {
    console.log('Latest rates:', data);
    // Process your data here
    updateUI(data);
  })
  .catch(error => console.error('Error:', error));

// Convert currency
function convertCurrency(amount, from, to) {
  fetch(`https://api.openexchangeapi.com/v1/convert?from=${from}&to=${to}&amount=${amount}&apikey=${apiKey}`)
    .then(response => response.json())
    .then(data => {
      console.log('Conversion result:', data);
      // Display the result
      showResult(data);
    })
    .catch(error => console.error('Error:', error));
}

# Python Example
import requests

api_key = 'YOUR_API_KEY'

# Get latest exchange rates
response = requests.get(f'https://api.openexchangeapi.com/v1/latest?base=USD&apikey={api_key}')
data = response.json()
print('Latest rates:', data)
# Process your data here
update_ui(data)

# Convert currency
def convert_currency(amount, from_currency, to_currency):
    response = requests.get(f'https://api.openexchangeapi.com/v1/convert?from={from_currency}&to={to_currency}&amount={amount}&apikey={api_key}')
    data = response.json()
    print('Conversion result:', data)
    # Display the result
    show_result(data)

<?php
// PHP Example
$apiKey = 'YOUR_API_KEY';

// Get latest exchange rates
$response = file_get_contents("https://api.openexchangeapi.com/v1/latest?base=USD&apikey={$apiKey}");
$data = json_decode($response, true);
echo 'Latest rates: ' . print_r($data, true);
// Process your data here
updateUI($data);

// Convert currency
function convertCurrency($amount, $from, $to) {
    global $apiKey;
    $response = file_get_contents("https://api.openexchangeapi.com/v1/convert?from={$from}&to={$to}&amount={$amount}&apikey={$apiKey}");
    $data = json_decode($response, true);
    echo 'Conversion result: ' . print_r($data, true);
    // Display the result
    showResult($data);
}
?>

# Ruby Example
require 'net/http'
require 'json'

api_key = 'YOUR_API_KEY'

# Get latest exchange rates
uri = URI("https://api.openexchangeapi.com/v1/latest?base=USD&apikey=#{api_key}")
response = Net::HTTP.get(uri)
data = JSON.parse(response)
puts "Latest rates: #{data}"
# Process your data here
update_ui(data)

# Convert currency
def convert_currency(amount, from, to)
  uri = URI("https://api.openexchangeapi.com/v1/convert?from=#{from}&to=#{to}&amount=#{amount}&apikey=#{api_key}")
  response = Net::HTTP.get(uri)
  data = JSON.parse(response)
  puts "Conversion result: #{data}"
  # Display the result
  show_result(data)
end

Try it out

Amount

From

Pricing

Transparent pricing with no hidden fees. Choose the plan that fits your needs.

Developer

Free

Perfect for testing and small projects

1,000 API calls per month
Latest exchange rates
Basic currency conversion
Community support
Historical data access

Get Started

POPULAR

Professional

$49

/month

For growing businesses and applications

100,000 API calls per month
Latest exchange rates
Advanced currency conversion
Historical data (1 year)
Email support

Get Started

Enterprise

/month

For large-scale applications and businesses

1,000,000 API calls per month
Latest exchange rates
Advanced currency conversion
Historical data (full history)
Priority support & SLA

Contact Sales

Mountain landscape representing the scaling tiers of our pricing

Scale As You Grow

Our pricing is designed to scale with your business. Start with our free tier and upgrade as your needs grow.

Need more API calls?

All plans can be customized with additional API calls at $0.01 per 1,000 calls.

Enterprise Features

Dedicated account manager
Custom integration support
99.99% uptime SLA

Need a Custom Solution?

We offer tailored solutions for high-volume users, financial institutions, and enterprises with specific requirements.

Custom volume pricing
Dedicated infrastructure
Custom data sources

Snow-covered mountain representing enterprise-level solutions

Use Cases

Discover how businesses across industries leverage OpenExchangeAPI to power their global applications.

Developer working on financial application

Fintech Applications

Power your financial applications with real-time currency data that your users can trust.

Investment portfolio trackers
Money transfer applications
Banking and payment platforms

E-commerce Platforms

Provide accurate pricing in local currencies to boost conversion rates and customer satisfaction.

Multi-currency shopping carts
International pricing optimization
Cross-border sales analytics

Developer implementing e-commerce currency conversion

Team working on travel application development

Travel Applications

Help travelers understand costs in their home currency and make informed decisions.

Flight and hotel booking platforms
Travel expense calculators
Currency conversion for travelers

Business Intelligence

Analyze historical currency trends to make data-driven business decisions.

Financial reporting dashboards
Market analysis tools
Global revenue forecasting

Business intelligence dashboard with currency data

Testimonials

See what our customers are saying about OpenExchangeAPI.

"OpenExchangeAPI has been a game-changer for our fintech app. The data is accurate, the API is lightning fast, and integration took less than an hour. Highly recommended!"

Alex Johnson

CTO, FinanceTracker

"We switched to OpenExchangeAPI after struggling with unreliable data from another provider. The difference is night and day. Our customers now have complete confidence in our currency conversions."

Maria Rodriguez

Product Manager, GlobalShop

"The historical data API has been invaluable for our analytics platform. The documentation is clear, support is responsive, and the pricing is transparent. Exactly what we needed."

David Kim

Lead Developer, DataInsights

What Our Customers Are Saying

Join thousands of satisfied developers and businesses using OpenExchangeAPI.

Ease of Integration

Data Accuracy

API Performance

Documentation

4.9 out of 5 stars

Based on 500+ reviews from verified customers

2,500+ active customers

99.99% uptime last 12 months

5 billion+ API calls per month

View more customer stories

Documentation

Comprehensive guides and resources to help you integrate and use OpenExchangeAPI.

Clear & Comprehensive Guides

Our documentation is designed to get you up and running quickly with examples in multiple programming languages.

Getting Started Guide

Step-by-step instructions to set up your API key and make your first request.

Code Examples

Ready-to-use code snippets in JavaScript, Python, PHP, Ruby, and more.

API Reference

Detailed documentation of all endpoints, parameters, and response formats.

Browse Documentation

API Endpoints

Explore our core API endpoints designed for simplicity and performance.

Latest Rates

Get the most recent exchange rates for all supported currencies.

GET /v1/latest

Historical Rates

Access exchange rates for any date in the past.

GET /v1/historical/YYYY-MM-DD

Convert

Convert any amount from one currency to another.

GET /v1/convert

SDKs & Libraries

Official client libraries to simplify integration with OpenExchangeAPI.

JavaScript

npm install openexchange-api

View on GitHub

Python

pip install openexchange-api

View on GitHub

PHP

composer require openexchange/api

View on GitHub

Ruby

gem install openexchange-api

View on GitHub

Need Help?

Our support team is ready to assist you with any questions or issues.

Contact Support View FAQ

Latest Exchange Rates

Get the most recent exchange rates available for all or specific currencies.

Endpoint

GET https://api.openexchangeapi.com/v1/latest

Parameters

Parameter	Required	Description
apikey	Yes	Your API key
base	No	Base currency (default: USD)
symbols	No	Comma-separated list of currency codes to limit results

Example Request

https://api.openexchangeapi.com/v1/latest?base=USD&symbols=EUR,GBP,JPY&apikey=YOUR_API_KEY

Example Response

{
  "success": true,
  "timestamp": 1632145200,
  "base": "USD",
  "date": "2023-07-14",
  "rates": {
    "EUR": 0.853,
    "GBP": 0.731,
    "JPY": 109.62
  }
}

Code Examples

JavaScript

fetch('https://api.openexchangeapi.com/v1/latest?base=USD&symbols=EUR,GBP,JPY&apikey=YOUR_API_KEY')
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error('Error:', error));

Python

import requests

response = requests.get('https://api.openexchangeapi.com/v1/latest?base=USD&symbols=EUR,GBP,JPY&apikey=YOUR_API_KEY')
data = response.json()
print(data)

Historical Exchange Rates

Get historical exchange rates for any date since 1999.

Endpoint

GET https://api.openexchangeapi.com/v1/historical/YYYY-MM-DD

Parameters

Parameter	Required	Description
apikey	Yes	Your API key
base	No	Base currency (default: USD)
symbols	No	Comma-separated list of currency codes to limit results

Example Request

https://api.openexchangeapi.com/v1/historical/2022-01-15?base=EUR&symbols=USD,GBP&apikey=YOUR_API_KEY

Example Response

{
  "success": true,
  "timestamp": 1642204800,
  "historical": true,
  "base": "EUR",
  "date": "2022-01-15",
  "rates": {
    "USD": 1.1412,
    "GBP": 0.8353
  }
}

Code Examples

JavaScript

fetch('https://api.openexchangeapi.com/v1/historical/2022-01-15?base=EUR&symbols=USD,GBP&apikey=YOUR_API_KEY')
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error('Error:', error));

Python

import requests

response = requests.get('https://api.openexchangeapi.com/v1/historical/2022-01-15?base=EUR&symbols=USD,GBP&apikey=YOUR_API_KEY')
data = response.json()
print(data)

Currency Conversion

Convert any amount from one currency to another using the latest exchange rates.

Endpoint

GET https://api.openexchangeapi.com/v1/convert

Parameters

Parameter	Required	Description
apikey	Yes	Your API key
from	Yes	Source currency code
to	Yes	Target currency code
amount	Yes	Amount to convert
date	No	Historical date (YYYY-MM-DD) for conversion

Example Request

https://api.openexchangeapi.com/v1/convert?from=USD&to=EUR&amount=100&apikey=YOUR_API_KEY

Example Response

{
  "success": true,
  "timestamp": 1632145200,
  "date": "2023-07-14",
  "query": {
    "from": "USD",
    "to": "EUR",
    "amount": 100
  },
  "info": {
    "rate": 0.853
  },
  "result": 85.3
}

Code Examples

JavaScript

fetch('https://api.openexchangeapi.com/v1/convert?from=USD&to=EUR&amount=100&apikey=YOUR_API_KEY')
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error('Error:', error));

Python

import requests

response = requests.get('https://api.openexchangeapi.com/v1/convert?from=USD&to=EUR&amount=100&apikey=YOUR_API_KEY')
data = response.json()
print(data)