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Playground demo key · api.reefapi.com
post/holidays/v1/workday_count1 credit
business-day count over a date range: workdays/weekend_days/holiday_days + the holidays in range
Working example
Parameters
⌘↵
request preview
curl -X POST https://api.reefapi.com/holidays/v1/workday_count \
-H "x-api-key: $REEF_KEY" \
-H "content-type: application/json" \
-d '{"country":"US","start":"2026-01-01","end":"2026-01-31"}'Hit Send (or ⌘↵) to run this endpoint live.