holidays-rest SDK

holidays-rest is a holiday API service designed to provide accurate and comprehensive holiday data for over 195 countries and more than 2,000 regions worldwide. The platform addresses the need for up-to-date information on national, public, and religious holidays, with data updated daily to ensure reliability and freshness. Users can access holiday names localized in 14 languages, and the service supports advanced filtering to retrieve holidays by specific dates, countries, types, regions, and religions.

The API delivers results in multiple formats, including JSON, XML, YAML, and CSV, and offers an OpenAPI specification for quick integration. Developers can import Postman or Insomnia collections for immediate use, and the system supports native SDKs for seven programming languages: JavaScript, TypeScript, Python, Go, Ruby, Kotlin, and C. These official SDKs feature full type safety, auto-retry, pagination, and are designed to minimize boilerplate code and HTTP handling. For AI workflows, the MCP server enables integration with tools such as Claude and Cursor, allowing natural language holiday queries and full API access with an existing key.

9% uptime commitment. Security is provided through HTTPS encryption, and enterprise customers receive dedicated account managers and around-the-clock technical support. All paid plans include global coverage, historical and upcoming data, advanced query parameters, multiple output formats, and email support. Pricing starts with a Basic plan at $29 per month, which includes a 3-day free trial, 200,000 requests per month, daily updates, commercial use rights, and multiple API keys. The Pro plan is priced at $299 per month for 1,000,000 requests and priority support, while Enterprise plans offer unlimited requests and 24/7 support.

holidays-rest is positioned as a scalable, flexible, and easy-to-use solution for organizations and developers who require reliable global holiday data for integration into their applications, workflows, or AI tools.