Currency Exchange Rates API

Automated exchange rate aggregator providing USD-based rates for fiat currencies and major cryptocurrencies (Bitcoin, Solana & Ethereum). Updates every ~20 minutes via GitHub Actions.

🔡 API Endpoint

https://cdn.jsdelivr.net/gh/anvme/currency@main/latest.json

Why Use jsDelivr CDN?

jsDelivr CDN is recommended over raw GitHub links for production use because it provides:

• Global edge caching - 99.9% uptime with servers worldwide for faster response times
• Production-grade reliability - Enterprise CDN infrastructure vs GitHub's rate-limited raw content
• Bandwidth optimization - Reduced load on GitHub's servers and better performance for your users

📦 Response Format example

{
  "updated": "2025-10-28T20:10:29.665Z",
  "base": "USD",
  "fiatDate": "2025-10-28",
  "rates": {
    "USD": 1,
    "EUR": 0.927,
    "GBP": 0.753,
    "JPY": 152.29,
    ...
    "SOL": 194.25,
    "BTC": 113154.6,
    "ETH": 4025.1
  }
}

Response Fields Explained

• updated: ISO 8601 timestamp of when the data was last refreshed
• base: Base currency for all rates is USD
• fiatDate: Date of fiat currency rates from European Central Bank
• rates: Object containing all exchange rates where 1 USD = X units of target currency

Currency Codes Explained

Fiat Currencies (Traditional Money):

• USD - United States Dollar
• EUR - Euro
• JPY - Japanese Yen
• GBP - British Pound Sterling
• CNY - Chinese Yuan
• AUD - Australian Dollar
• CAD - Canadian Dollar
• CHF - Swiss Franc
• HKD - Hong Kong Dollar
• SGD - Singapore Dollar
• NZD - New Zealand Dollar
• SEK - Swedish Krona
• KRW - South Korean Won
• NOK - Norwegian Krone
• INR - Indian Rupee
• MXN - Mexican Peso
• BRL - Brazilian Real
• ZAR - South African Rand
• TRY - Turkish Lira
• DKK - Danish Krone
• PLN - Polish Zloty
• CZK - Czech Koruna
• ILS - Israeli New Shekel
• THB - Thai Baht
• MYR - Malaysian Ringgit
• PHP - Philippine Peso
• IDR - Indonesian Rupiah
• HUF - Hungarian Forint
• RON - Romanian Leu
• BGN - Bulgarian Lev
• ISK - Icelandic Króna

Cryptocurrencies:

• BTC - Bitcoin
• SOL - Solana
• ETH - Ethereum

💻 Usage Examples

📚 Usage Examples - JavaScript, Python, Go, Rust, and more!

📊 Update Frequency

• Fiat currencies: Daily (weekdays ~4pm) from European Central Bank
• Cryptocurrencies: Every 20 minutes
• Workflow runs: Every 20 minutes via GitHub Actions

💡 Pro Tips

• Cache responses locally to reduce API calls
• Implement retry logic for production applications
• Monitor the updated field to ensure data freshness- Store rates locally and refresh only when needed (every ~20 min for crypto, daily for fiat)

🔒 Rate Limits

• No rate limits on jsDelivr CDN!
• Best practice: Cache responses for at least 20 minutes to reduce unnecessary requests

📄 License

Free to use

🤝 Contributing

This API is maintained automatically via GitHub Actions. For issues or feature requests, please visit the GitHub repository.

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Need help? Open an issue on GitHub or check the documentation for your specific programming language above.