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OpenHolidays API on new websites

Open API providing public and school holiday data for European countries.

Sites using OpenHolidays API
6
since Jul 2026
Last 30 days
0.0%
of new sites, to Oct 19
no change on the 30 days before
Last 7 days
0.0%
of new sites, 7-day average
no change on the week before
Rank in Data API
#314
of 1509 tools, all time
First seen Jul 20, 2026
Last seen Aug 21, 2026
Website openholidaysapi.org

What we found

  1. OpenHolidays API did not appear on any new site in the last 30 days.[1]

Share of new sites using OpenHolidays API

0.00% 0.25% 0.50% 0.75% 1.00% 10 Sep Oct

The line is the 7-day average share of new sites that use OpenHolidays API, since 10 September.

Data API on new sites

# Movement Tool Share of all sites Share of category Bar
1 – LocalLogic 0.1% 22.9%
2 ▼1 The Movie Database <0.1% 6.8%
3 ▲1 Daum Postcode <0.1% 5.4%
4 ▼1 ViaCEP <0.1% 3.6%
5 ▼1 Frankfurter <0.1% 3.2%
…
314 OpenHolidays API <0.1% <0.1%

All-time shares across the new sites we track: of all of them, and of the sites using any Data API tool. All 1509 in Data API

Recently launched products built on OpenHolidays API

3 of the 6 sites using OpenHolidays API are product launches we list individually. The other 3 are new business and personal sites: they count towards the figures above but are not listed here. A watch sends them to you.

Site Found Also detected
Holiday Rental Income Calculator | Estimate Annual Revenue holidayrentalcalculator.com · Finance Aug 4 Railway Brevo Google Search Console Komoot
ToolVines toolvines.com · Productivity · India Jul 22 Next.js React Vercel Bing Ads
NextStint — for EU long-haul drivers nextstint.app Jul 20 SvelteKit Capacitor Svelte CARTO

Watches, exports and the API give you all 6 sites using OpenHolidays API, from £15 a month.

Notes

  1. These figures cover websites that went live since April 2026, not the web as a whole.

How this page is made

FirstSited looks at each new website near the day it goes live and records what it was built with. We do not go back later, so these figures describe what sites launch with, not what they run today. A site counts towards OpenHolidays API when we detect OpenHolidays API on it at that look.

Every share on this page is a proportion of the new sites we were tracking at the time. Sites we found across the wider web count towards the figures, but only product launches are listed by name. How we detect technologies · How we find new sites

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.