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Playground demo key · api.reefapi.com
post/holidays/v1/long_weekends1 credit
long-weekend windows for a country + year (+ bridge-day suggestions)
Working example
Parameters
2-letter ISO-3166 country code (e.g. US, GB, DE, TR, JP). 123 countries supported — call action='countries' for the full set. Case-insensitive.
4-digit year (supported range 1900-2200). (1900–2200)
request preview
curl -X POST https://api.reefapi.com/holidays/v1/long_weekends \
-H "x-api-key: $REEF_KEY" \
-H "content-type: application/json" \
-d '{"country":"US","year":"2026"}'Hit Send to run this endpoint live.