OverviewREST · JSON

Holidays & Business Days

Public holidays and business-day math for FR, US, DE, GB, ES, IT, BE, NL.

Method
POST
Endpoint
/v1/holidays
Auth
X-API-Key
Format
JSON
Countries
FR · US · DE · GB · ES · IT · BE · NL
Ops
holidays · business_days · add_business_days
Status
200 · 400 · 401 · 402 · 429
Trylive · no key
Pricingmonthly + usage
Referencecurl · SDK · OpenAPI
curl -X POST https://atomios.me/api/v1/holidays/ \
  -H "X-API-Key: $ATOMIOS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"op":"holidays","country":"FR","year":2026}'
Ratingscommunity