API FoundryLogan Pendragon Forge Lab

Available API

Holidays & Observances

Country-aware dated public holidays, United Nations observances, and a separately queried Wikidata catalog of religious holidays, religious festivals, and cultural festivals. Dates are exposed only when the source publishes one.

Test with your keyView pricing
Status
5/5 sources healthy
Contract
1.0.0
Data version
holidays-premium-2026.09.01
Current records
18,636
Normal pull
monthly check
Full reconciliation
yearly each October or November, plus calendar-window regeneration

Coverage

What this API contains

Jurisdiction-aware public holidays plus a source-separated religious and cultural observance catalog.

holidayobservancerecurrence rulejurisdiction

Endpoints

Built for direct use

/apis/holidays · 1 credit/apis/holidays/{id} · 1 credit/apis/holidays/search · 1 credit/apis/holidays/coverage · 1 credit/apis/holidays/observances · 1 credit

Standard list, search, detail, relationship, and conversion calls cost one credit. Bulk exports cost 100 credits.

Bounded preview

See the shape of the data

These are up to five fixed records from the current release. The preview has no paging, search, or export controls. A developer account and API key are required to query the full dataset.

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Source record

Where the data comes from

Healthy

Nager.Date Public Holiday API

normalized multi-country public-holiday feed

Publisher
date.nager.at
Last successful pull
Aug 29, 2026 · 11:29 PM UTC
License / terms
Public API terms and underlying jurisdiction sources; commercial review required
Reuse review
Commercial: review_required · Redistribution: review_required
Reference

U.S. Office of Personnel Management Federal Holidays

United States federal-holiday verification reference

Publisher
www.opm.gov
Last successful pull
Reference check only
License / terms
U.S. government publication; verify incorporated third-party material
Reuse review
Commercial: review_required · Redistribution: review_required
Healthy

United Nations International Days and Weeks

official international observance calendar

Publisher
www.un.org
Last successful pull
Aug 30, 2026 · 2:31 AM UTC
License / terms
United Nations website terms; commercial redistribution review required
Reuse review
Commercial: review_required · Redistribution: review_required
Healthy

Wikidata Cultural Festival Subclass Catalog

cultural festival identities and available source fields

Last successful pull
Sep 1, 2026 · 4:41 PM UTC
License / terms
CC0 1.0
Reuse review
Commercial: True · Redistribution: True
Healthy

Wikidata Religious Festival Subclass Catalog

religious festival identities and available source fields

Last successful pull
Sep 1, 2026 · 4:41 PM UTC
License / terms
CC0 1.0
Reuse review
Commercial: True · Redistribution: True
Healthy

Wikidata Religious Holiday Subclass Catalog

source-separated observance identity and available source fields

Last successful pull
Sep 1, 2026 · 4:41 PM UTC
License / terms
CC0 1.0
Reuse review
Commercial: True · Redistribution: True