Seamlessly Integrate Holiday Data with the fcal.ch API

Use the precise holiday and school vacation data from fcal.ch for your applications, software, or analyses – flexible, reliable, and always up to date.

Why fcal.ch?

With our powerful REST API, you gain direct access to **high-quality, reliable data**, saving valuable time during development. Our data is not only precise but also sustainably available – since 2003, we have been collecting and maintaining holiday and school vacation data with the utmost care.

Sustainability & Long-Term Availability: While many data projects disappear after a few years, fcal.ch ensures stability and long-term availability. Our solution is designed to support you now and in the future.

Ideal for scheduling, business processes, and data-driven applications – today, tomorrow, and for years to come!

You also have access to historical holiday and school vacation data, ideal for AI models, statistical analysis, and system training. This enables companies to make precise forecasts and enhance their applications with smarter functionality.


Your Benefits at a Glance

Quick Start – OpenAPI 3.0-compliant, easy to understand

Flexible & Versatile – Data available in JSON, XML, or CSV

Automated Integration – Supports Swagger, Postman & OpenAPI Generator

Secure API Access – SSL encryption & API key authentication

Multilingual API Documentation – Available in German, French, Italian, and English


API Features Overview

Annual Lists & Daily Status – Perfect for planning & forecasting

Holiday & School Vacation Data – Accurate & up to date, available for every region

Percentage Values by Country – Ideal for statistical analysis

Interactive API Documentation – Our OpenAPI 3.0-compliant documentation guides you step by step to a successful integration.


How to Use the API

Manually – Open the desired URL in your browser and retrieve the data instantly.

Automatically – Integrate the API into your back-end and let the processes run autonomously.

Authentication – Access is secured via an API key – You will find it on your invoice or usage agreement.

Note: API queries may only be made from the backend. Direct integration into front-end applications is not permitted.


No fear of APIs – it’s really simple!

Many users are intimidated by APIs – but don’t worry, our fcal.ch API is incredibly easy to use!

Direct queries without technical effort: Simply use a browser or Excel to retrieve data in JSON or CSV format.

Full control over your exports: Choose the language, date format, and relevant holidays according to your needs.

Always up-to-date data: Changes in holidays? No problem! Our API ensures you always have the latest data.

We support you in setting up the API optimally. You will love our API – give it a try!


Pricing & Custom Offers

The cost depends on:

Data Scope – Which years & countries do you need data for?

UsageInternal use, distribution to customers, or public use


Request Your Free Quote Now!

Request an offer


Ready for Integration?

Access the API documentation here

All interfaces


© 2003 - 2025 psc Peter Schütz Informatik Dienstleistungen, CH-Arch