Automate HolidayAPI with AI Agents
Access public holidays and observances for 250+ countries and 4,000+ states/provinces worldwide. Retrieve holiday information by country, year, month, or day with ISO standard codes. Calculate workdays between dates or find specific workdays. Get country details including currencies, languages, and subdivisions. Perfect for calendar applications, scheduling systems, international business planning, payroll systems, and vacation management.

The Most Powerful HolidayAPI Integration
Transform your workflows into intelligent automation hubs. Our integration gives you complete control over your HolidayAPI data with enterprise-grade reliability and performance.
Cloud-Based Automation
Seamlessly sync and automate your HolidayAPI data in real-time across all your tools.
Lightning Fast
Execute actions and retrieve data in milliseconds with our optimized API.
Enterprise Security
Bank-level encryption and OAuth 2.0 authentication keep your data completely secure.
Scale Infinitely
Handle millions of operations without breaking a sweat.
Available HolidayAPI Actions
Explore the powerful actions available for HolidayAPI
All Actions
List Countries
Retrieves a list of countries with their states and provinces. Returns detailed country information including ISO codes (alpha-2, alpha-3, numeric), spoken languages, currencies, flag image URL, subdivisions (states/provinces), and weekend days. Optionally filter by specific country code, search by name/code (min 2 chars), or show only countries with public holidays. Each country includes subdivision details with codes, names, and languages. Use subdivision codes with List Holidays action to get state/province-specific holidays. Supports 250+ countries and 4,000+ subdivisions. Perfect for country selection dropdowns, geographic data, international apps, and subdivision management.
List Holidays
Retrieves a list of public holidays and observances for countries, states, and provinces. Query by country code (ISO 3166-1 alpha-2/alpha-3) and year (required), optionally filter by month, day, or search by name. Returns array of holidays with name, date, observed date, whether it's public, country/state code, UUID, and weekday information. Supports 250+ countries and 4,000+ states/provinces. Filter by public holidays only, include state/province holidays, search by holiday name (min 5 chars), get holidays in specific language (ISO 639-1), or find previous/upcoming holidays from a date. Perfect for calendar apps, scheduling systems, business planning, vacation planning, payroll systems, and international operations.
Get Workday
Calculates the workday that occurs a given number of days after or before a start date, based on a country's workweek and excluding public holidays. Provide country code (ISO 3166-1 alpha-2/alpha-3 or ISO 3166-2 for states), start date (YYYY-MM-DD), and number of working days to advance (positive) or retrogress (negative). Returns the calculated workday date and weekday information (name and ISO-8601 numeric). Accounts for country-specific weekends and public holidays. Perfect for calculating delivery dates, deadline planning, project scheduling, service level agreements (SLAs), payroll calculations, and business day math for international operations.
List Languages
Retrieves a list of supported languages for holiday names. Returns language code (ISO-639-1, ISO-639-2, or BCP-47) and language name. Optionally filter by specific language code or search by name/code (min 2 chars). Use language codes with List Holidays action to get holiday names in different languages. Supports multiple language standards: ISO-639-1 for most languages, ISO-639-2 for Cebuano, Hawaiian, and Hmong, and BCP-47 for Chinese variants. Perfect for multilingual applications, localization, language selection, and international holiday displays.
Get Workdays
Calculates the number of workdays (business days) that occur between two dates, based on a country's workweek and excluding public holidays. Provide country code (ISO 3166-1 alpha-2/alpha-3 or ISO 3166-2 for states), start date (YYYY-MM-DD), and end date (YYYY-MM-DD). Returns the total count of working days in the date range. Accounts for country-specific weekends and public holidays. Perfect for calculating billable days, project duration, working hours estimation, invoice generation, time tracking, payroll calculations, and business day analytics for international operations.
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FAQs about HolidayAPI integration

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