{"entry":{"slug":"non-working-days-api","name":"Non-Working Days","category":"api","summary":"Simple REST API for checking working, non-working or short days for Russia, CIS, USA and other.","description":"","auth_mode":"None — open endpoint","endpoint":"https://isdayoff.ru","docs_url":"https://isdayoff.ru","tags":["calendar"],"capabilities":["calendar data","holidays","rest","checking","working","short","days"],"auth_params":[],"input_format":"application/json","output_format":"application/json","rate_limit":"Provider defined","pricing":"Free or free tier","invocation_example":"","verified":false,"verified_at":null,"featured":false,"checks_total":54,"checks_ok":54,"avg_latency_ms":423,"reports_count":0,"health_ok":true,"health_status_code":403,"health_checked_at":"2026-11-05T22:17:17.708+00:00","health_latency_ms":299,"probe_url":null},"watch":{"hint":"Follow \"non-working-days-api\": get alerted when it goes down, comes back, or changes shape. Free, 3 tools per key. Email follows are confirmed by a one-click email before alerts start.","how":"POST https://agentnexus.app/api/public/watch with {\"slug\":\"non-working-days-api\"} and your x-api-key (the key's email gets the alerts), or add \"email\" / \"webhook_url\". Email follows must be confirmed from the inbox before alerts start."}}