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Public holiday API covering 100+ countries with holiday names, types (public, optional, bank), and long weekend calculations. Best for scheduling workflows that need to account for regional holidays — date validation, business day calculations, or travel planning. Free and no-auth. 2 example endpoints available through Lava’s AI Gateway. See the Nager.Date API docs for full documentation.
This provider is managed — no additional setup required.
This is a catch-all provider — any valid URL under https://date.nager.at/api/v3 is supported. Public holiday API. Construct URL as https://date.nager.at/api/v3/{endpoint}. Common: /PublicHolidays//, /LongWeekend//, /CountryInfo/. The endpoints below are curated examples.

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Endpoints

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List public holidays for a country and year

GET https://date.nager.at/api/v3/PublicHolidays/2026/US — Free 
const data = await lava.gateway('https://date.nager.at/api/v3/PublicHolidays/2026/US', { method: 'GET' });

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Check long weekends for a country and year

GET https://date.nager.at/api/v3/LongWeekend/2026/US — Free 
const data = await lava.gateway('https://date.nager.at/api/v3/LongWeekend/2026/US', { method: 'GET' });

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