# Calendarific

**Canonical:** https://apis.io/providers/calendarific/  
**Website:** https://calendarific.com/  
**APIs profiled:** 3

Worldwide public holidays REST API covering 230+ countries. Calendarific provides national, local, religious, and observance holiday data with localization across many ISO-639 languages. Used for ecommerce scheduling, HR systems, travel planning, payroll, and global operations.

## Kin Score — 52.7 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 52.7).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 68.5 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 2.6 |
| Developer Ergonomics | 42.9 |
| Commercial Clarity | 77.6 |
| Access Clarity | 77.6 |

## Agent readiness — 42.9 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | na |
| Error Semantics | verified |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (3)

- **Calendarific Countries API** — List supported countries and their ISO codes.
- **Calendarific Holidays API** — Retrieve holiday data for any country and year.
- **Calendarific Languages API** — List supported languages and their ISO codes.

## Agentic access (1)

- **Calendarific Agentic Access** — 3 operations

## Security (2)

- **Calendarific Authentication** — apiKey · 1 scheme
- **Calendarific Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Calendarific Plans Pricing**

## Use cases (6)

- **Ecommerce Scheduling** — Plan promotions, shipping cutoffs, and customer service hours around local holidays.
- **HR and Payroll** — Populate localized leave calendars and statutory holiday pay.
- **Travel Planning** — Surface holiday windows that affect bookings, demand, and pricing.
- **Workforce Scheduling** — Plan global team staffing around local public holidays.
- **Calendar Sync** — Hydrate enterprise calendars (Google, Outlook) with localized holidays.
- **Financial Markets** — Identify country-specific trading and settlement closures.

## Tags

Calendar, Public APIs, Holidays, Worldwide, Localization

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/calendarific/). Scores are computed from the provider's own public artifacts under a published rubric.