Api referenceCalendarsCountriesList all holidays of a countryList all countriesServer URLloading...GET/v2/calendars/holidays/countriesSendAuthorizationList all countriesAuthorizationsession AuthorizationBearer <token>In: headerResponse Body200application/jsoncURLJavaScriptGoPythonJavaC#Rustcurl -X GET "https://example.com/v2/calendars/holidays/countries"200{}Validate subjects of a book GETList all validate subjectsList all holidays regions of a country GETLe regioni/stati di un paese (vuoto se il paese non ne ha).