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post/holidays/v1/next_holidays1 credit
upcoming public holidays (next ~365 days) with daysUntil
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.
Optional 'as of' date (ISO YYYY-MM-DD) to compute daysUntil from; defaults to the current UTC date.
request preview
curl -X POST https://api.reefapi.com/holidays/v1/next_holidays \
-H "x-api-key: $REEF_KEY" \
-H "content-type: application/json" \
-d '{"country":"US"}'Hit Send to run this endpoint live.