Query public holidays for any country and year using the apipick Public Holidays API. Supports 100+ countries identified by ISO 3166-1 alpha-2 country codes. Returns a sorted list of holidays with dates and official names. Use when the user wants to find public holidays for a country, check if a specific date is a holiday, list all national holidays for a given year, or plan around holidays in any country. Requires an apipick API key (x-api-key). Get a free key at https://www.apipick.com.

通过 apipick 公共假日 API 查询任何国家和年份的公共假日，支持逾 100 个国家，使用 ISO 3166-1 alpha-2 国家代码标识。返回按日期排序的假日列表，包含官方名称。适用于查找特定国家的公共假日、验证某日期是否为假日、列出指定年份的所有国家假日，或规划各国假日安排。需提供 apipick API 密钥（x-api-key），请至 https://www.apipick.com 免费获取。