What is the free tier for Checkiday - National Holiday API?

The free tier allows users to make up to 500 API requests per month without any charge. It's designed for testing and small-scale development.

How much does the Checkiday - National Holiday API cost for 5,000 requests per month?

For 5,000 requests per month, the Checkiday - National Holiday API costs $15 per month under its Starter plan.

What happens if I exceed my monthly request limit?

If you exceed your monthly request limit on a paid plan, Checkiday - National Holiday API may apply overage charges or temporarily suspend service until the next billing cycle or an upgrade to a higher plan.

Are there any hidden fees or additional costs?

The pricing is generally transparent based on monthly request limits. Users should refer to the official pricing page for any specific terms regarding overages or premium features, as these can incur additional charges.

Can I upgrade or downgrade my plan at any time?

Typically, API providers like Checkiday allow users to upgrade or downgrade their subscription plans to match changing usage needs. Specific terms for plan changes are usually detailed in the service's billing or support documentation.

Does the pricing include access to all countries' holiday data?

Yes, all paid plans generally include access to the full range of national holiday data available through the API. The primary limitation between plans is the monthly request volume.

Is there an enterprise plan for very high volumes?

The listed tiers go up to 100,000 requests per month. For volumes exceeding this, it is common for API providers to offer custom enterprise solutions. You would need to contact Checkiday directly for such requirements.

Checkiday - National Holiday API Pricing: Plans & Costs (2026)

Pricing overview

The Checkiday - National Holiday API employs a tiered subscription model, providing access to its holiday data through various monthly plans. This structure includes a free tier for initial exploration and development, alongside several paid tiers designed to accommodate increasing request volumes. Each tier is defined by a maximum number of API requests allowed per month, with pricing increasing proportionally with the request limit. The system is designed to provide predictable monthly costs based on anticipated usage, making it suitable for applications requiring consistent access to holiday information for features such as scheduling, content localization, or event planning.

The API's pricing model is structured to support a range of use cases, from individual developers testing integrations to established businesses with higher data consumption needs. Users can select a plan that aligns with their expected monthly API call volume, with options to upgrade or downgrade as their requirements evolve. For detailed information on specific plan features and current pricing, users are directed to the official Checkiday API pricing page.

Plans and tiers

Checkiday - National Holiday API offers multiple subscription tiers, each with a defined monthly request limit and corresponding price. These tiers are designed to scale with user demand, offering options from a basic free tier to higher-volume paid plans. The primary differentiator between plans is the maximum number of API requests permitted per month.

The following table outlines the key features and limits of the available plans:

Plan Name	Monthly Price	Monthly Request Limit	Best For
Free	$0	500 requests	Testing, personal projects, very low-volume applications
Starter	$15	5,000 requests	Small applications, early-stage startups, hobby projects with moderate use
Basic	$25	10,000 requests	Growing applications, content creation, small business scheduling tools
Pro	$50	25,000 requests	Medium-sized applications, marketing automation, event management platforms
Business	$100	100,000 requests	Large-scale applications, enterprise scheduling, high-traffic content sites

Each plan includes access to the core API functionality, delivering national holiday data. The primary consideration when choosing a plan is the anticipated volume of API calls your application will make over a month. Exceeding the request limit for a given plan typically results in additional charges or temporary service interruptions, as detailed in the Checkiday API documentation.

Free tier and limits

Checkiday - National Holiday API provides a free tier that allows users to make up to 500 API requests per month without any cost. This free tier is intended for evaluation purposes, enabling developers to test the API's functionality, integrate it into a development environment, and build small-scale applications or prototypes. The free tier offers full access to the API's core features, allowing users to retrieve holiday data for various countries and dates, identical to the data available in paid plans.

The 500-request monthly limit resets at the beginning of each billing cycle. If an application exceeds this limit, subsequent requests may be blocked or require an upgrade to a paid plan to continue service. The free tier is a common offering among APIs, allowing for developer onboarding and proof-of-concept development, as noted in general API best practices for API management strategies. Users seeking to deploy applications that require higher volumes of holiday data will need to transition to one of the paid subscription plans.

Real-world cost examples

Understanding the practical application of Checkiday - National Holiday API's pricing model can help estimate monthly expenses. These examples illustrate how different usage patterns translate into specific plan costs:

Scenario 1: Small Personal Project (e.g., a simple holiday reminder app for personal use)
- Usage: The app makes approximately 10-15 requests per day to check upcoming holidays.
- Monthly Requests: 15 requests/day * 30 days = 450 requests/month.
- Cost: This usage falls within the Free tier's 500-request limit.
- Estimated Monthly Cost: $0
Scenario 2: Content Blog Feature (e.g., a blog that publishes a daily post about a national holiday)
- Usage: The blog's backend makes one API call daily to retrieve holiday information for the current day and perhaps a few future days, totaling 3-5 requests per day. It also makes 50 requests at the start of each month to pre-fetch data for a calendar widget.
- Monthly Requests: (5 requests/day * 30 days) + 50 requests = 150 + 50 = 200 requests/month.
- Cost: This also fits within the Free tier's 500-request limit.
- Estimated Monthly Cost: $0
Scenario 3: Small Business Scheduling Tool (e.g., a local business using holiday data to adjust operating hours)
- Usage: The tool makes 100 requests daily to check holidays for customer appointments and staff scheduling.
- Monthly Requests: 100 requests/day * 30 days = 3,000 requests/month.
- Cost: This exceeds the free tier. The Starter plan offers 5,000 requests/month.
- Estimated Monthly Cost: $15
Scenario 4: Regional Event Listing Platform (e.g., a website listing events, needing to filter by holidays)
- Usage: The platform experiences moderate traffic, making an average of 500 requests per day to display relevant holiday information on various pages.
- Monthly Requests: 500 requests/day * 30 days = 15,000 requests/month.
- Cost: This exceeds the Starter and Basic plans. The Pro plan offers 25,000 requests/month.
- Estimated Monthly Cost: $50
Scenario 5: Large-Scale Content Management System (e.g., a global news aggregator personalizing content based on national holidays)
- Usage: The CMS makes approximately 2,000 requests daily across multiple regions to ensure content relevance.
- Monthly Requests: 2,000 requests/day * 30 days = 60,000 requests/month.
- Cost: This exceeds the Pro plan. The Business plan offers 100,000 requests/month.
- Estimated Monthly Cost: $100

These examples demonstrate that the most cost-effective approach is to select a plan that comfortably accommodates projected monthly request volumes, allowing for some buffer to handle spikes in usage. Monitoring API usage is crucial to avoid unexpected overage charges or service interruptions, a common practice in API usage monitoring.

How the pricing compares

When evaluating the Checkiday - National Holiday API's pricing, it is useful to compare it against alternative holiday API providers in the market. While specific feature sets and data coverage can vary, a direct comparison of pricing models and request limits offers insight into its competitive positioning.

Checkiday's free tier of 500 requests per month is comparable to or slightly more generous than some alternatives. For instance, some holiday APIs might offer a lower free request limit or require a credit card even for free usage. The starting paid tier for Checkiday, the Starter plan at $15 for 5,000 requests, positions it in the mid-range for entry-level professional use. Some competitors might offer a slightly cheaper entry point for a similar number of requests, while others might have higher prices for comparable volumes.

For higher request volumes, Checkiday's Business plan at $100 for 100,000 requests provides a clear cost per request. Competing services like AbstractAPI Holiday API, Calendarific, and HolidayAPI.com also offer tiered pricing, often with similar structures but varying price points per tier and different maximum request limits. Some alternatives may offer more granular control over request types or additional data points (e.g., religious holidays, local observances beyond national holidays) which could justify different pricing structures.

Key factors in a comparative pricing analysis include:

Cost per 1,000 requests: This metric helps standardize comparison across different tiers and providers.
Data coverage: The number of countries, types of holidays, and historical data available can influence value.
API features: Beyond basic holiday retrieval, features like filtering, search capabilities, and webhook support can add value.
Scalability: How easily can users upgrade or downgrade, and what are the costs for very high-volume enterprise use cases?

Ultimately, the most cost-effective solution depends on an application's specific requirements, including the required volume of calls, the geographical scope of holiday data needed, and any specific features that might be critical to the integration.