FFreeAPI Hub

Checkiday - National Holiday API

Calendar

Industry-leading Holiday API. Over 5,000 holidays and thousands of descriptions. Trusted by the World’s leading companies

API KeyHTTPSCORS ?

Auth

apiKey

HTTPS

Yes

CORS

Unknown

Common Use Cases

  • •Integrate this API into your web or mobile application
  • •Build data-driven dashboards and visualization tools
  • •Create automated workflows using the API endpoints

Integration Guide

1

Review the API Documentation

Visit the official Checkiday - National Holiday API documentation to understand available endpoints, request formats, and response structures. Familiarize yourself with the API's rate limits and usage policies before integration.

2

Obtain an API Key

Checkiday - National Holiday API requires an API key for authentication. Register on the provider's website to get your unique key. Keep it secure and never expose it in client-side code — use environment variables or a backend proxy.

3

Use HTTPS for Secure Requests

Checkiday - National Holiday API supports HTTPS, ensuring encrypted communication. Always use HTTPS endpoints in production to protect data in transit and comply with modern web security standards.

4

CORS Status Unknown — Test Before Use

The CORS status for Checkiday - National Holiday API is unknown. Test with a simple browser-based request to verify. If CORS is not supported, set up a backend proxy to handle requests server-side.

5

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
// JavaScript example (with API key)
const apiKey = process.env.API_KEY; // Store your key securely

fetch("https://apilayer.com/marketplace/checkiday-api", {
  headers: {
    "Authorization": `Bearer ${apiKey}`,
    // Or use: "X-API-Key": apiKey
    // Check the docs for the correct header format
  }
})
  .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 Checkiday - National Holiday API:", error);
  });

Python / Requests:

python
# Python example (with API key)
import requests
import os

api_key = os.environ.get("API_KEY")  # Store your key securely

headers = {
    "Authorization": f"Bearer {api_key}",
    # Or use: "X-API-Key": api_key
}

response = requests.get("https://apilayer.com/marketplace/checkiday-api", headers=headers)

if response.status_code == 200:
    data = response.json()
    print("API response:", data)
else:
    print(f"Error: {response.status_code}")

Frequently Asked Questions

Is Checkiday - National Holiday API free to use?
Yes, Checkiday - National Holiday API is listed as a free public API. However, some free APIs may have usage limits or rate restrictions. Check the official documentation for details on any quotas or fair use policies.
How do I get an API key for Checkiday - National Holiday API?
To use Checkiday - National Holiday API, you need to register on the provider's website to obtain an API key. The key is typically included in request headers or query parameters. Keep your key secure and never commit it to public repositories.
Can I use Checkiday - National Holiday API in a browser-based application?
The CORS status of Checkiday - National Holiday API is unknown. Test with a browser request first. If CORS is not supported, use a backend proxy to forward requests server-side.
What category does Checkiday - National Holiday API belong to?
Checkiday - National Holiday API is categorized under Calendar. You can browse more APIs in the same category to find similar services and alternatives for your project.
Is Checkiday - National Holiday API secure?
Yes, Checkiday - National Holiday API supports HTTPS, which encrypts all data transmitted between your application and the API server. Always use HTTPS endpoints in production environments.