/API TERMS
API Terms/Productivity/Checkiday - National Holiday

Checkiday - National Holiday

apilayer.com

Provides holiday data including over 5,000 holidays and thousands of descriptions via API.

The Checkiday - National Holiday API uses API key authentication; has freemium pricing. Verified 2026-07-08 with per-field source links.

Productivity Verified 2026-07-08 low confidence
Base URL
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no source
Auth
API key
apilayer.com ↗
Free tier
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no source
Pricing model
freemium
apilayer.com ↗
Pricing
not documented null
no source
Rate limits
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no source
OpenAPI spec
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MCP server
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no source