National Bank of Poland
Currency Exchange
A collection of currency exchange rates (data in XML and JSON)
Auth
No Auth
HTTPS
Yes
CORS
Yes
API URL
Common Use Cases
- •Build financial dashboards with real-time market data
- •Create currency conversion tools for e-commerce
- •Develop trading analysis and portfolio tracking apps
Integration Guide
Review the API Documentation
Visit the official National Bank of Poland documentation to understand available endpoints, request formats, and response structures. Familiarize yourself with the API's rate limits and usage policies before integration.
No Authentication Required
Good news — National Bank of Poland does not require any authentication. You can start making API requests directly without registering for an API key or setting up OAuth credentials.
Use HTTPS for Secure Requests
National Bank of Poland supports HTTPS, ensuring encrypted communication. Always use HTTPS endpoints in production to protect data in transit and comply with modern web security standards.
CORS Enabled — Direct Browser Access
National Bank of Poland has CORS enabled, meaning you can make requests directly from the browser. This is ideal for frontend-only applications built with React, Vue, or vanilla JavaScript.
Implement and Test
Write your API integration code, start with a simple test request to verify connectivity. Implement proper error handling for network failures, rate limits, and invalid responses. Monitor your API usage to stay within any limits.
Code Examples
JavaScript / Fetch API:
// JavaScript example
fetch("http://api.nbp.pl/en.html")
.then(response => {
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
return response.json();
})
.then(data => {
console.log("API response:", data);
})
.catch(error => {
console.error("Error fetching from National Bank of Poland:", error);
});Python / Requests:
# Python example
import requests
response = requests.get("http://api.nbp.pl/en.html")
if response.status_code == 200:
data = response.json()
print("API response:", data)
else:
print(f"Error: {response.status_code}")