Calendar
No authHTTPSCORS ?
Calendar
Non-Working Days
Simple REST API for checking working, non-working or short days for Russia, CIS, USA and other.
Non-Working Days API is a free Calendar API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
- Authentication
- None required
- HTTPS
- Yes
- CORS
- Yes
- Category
- Calendar
Visit documentation ↗isdayoff.ru
About isDayOff()
API производственного календаря
- Provider
- isDayOff()
- Website
- isdayoff.ru ↗
Details from isdayoff.ru.
Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Get your free API key→Free tier on every API
Non-Working Days API alternatives
apiKeyHTTPSCORS
Namedays Calendar
Provides namedays for multiple countries
No authHTTPSCORS
No authHTTPSNo CORS
No authHTTPSNo CORS
The Calendar
Public holidays for US states and 30 countries plus sports and finance calendars as static JSON
No authHTTPSCORS
Non-Working Days API FAQ
Who provides the Non-Working Days API?
The Non-Working Days API is provided by isDayOff() (isdayoff.ru). API производственного календаря
Is the Non-Working Days API free?
Yes. The Non-Working Days API is listed in the Calendar category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Does the Non-Working Days API require an API key?
No. The Non-Working Days API requires no authentication, so you can start making requests without signing up.
Can I call the Non-Working Days API from the browser?
Yes. The Non-Working Days API supports CORS, so front-end JavaScript can call it directly.
Does the Non-Working Days API support HTTPS?
Yes. The Non-Working Days API is served over HTTPS, so it's safe to use in production.