# Google Calendar

**Canonical:** https://apis.io/providers/google-calendar/  
**Website:** https://developers.google.com/workspace/calendar  
**APIs profiled:** 4

The Google Calendar API provides RESTful access to Google Calendar data, enabling applications to create, view, and manage calendar events, access control lists, and user settings. It supports creating and managing multiple calendars, querying free/busy information, setting up push notifications for changes, and integrating calendar functionality into third-party applications.

## Kin Score — 48.1 / 100 (developing)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 48.1).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 62.8 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 54.8 |
| Commercial Clarity | 47.4 |
| Access Clarity | 47.4 |

## Agent readiness — 29.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| 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 | no |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (4)

- **Google Calendar Calendars API** — The Calendars API from Google Calendar — 6 operation(s) for calendars.
- **Google Calendar Colors API** — The Colors API from Google Calendar — 1 operation(s) for colors.
- **Google Calendar freeBusy API** — The freeBusy API from Google Calendar — 1 operation(s) for freebusy.
- **Google Calendar Users API** — The Users API from Google Calendar — 2 operation(s) for users.

## Agentic access (1)

- **Google Calendar Agentic Access** — 18 operations · 11 acting

## Security (2)

- **Google Calendar Domain Security** — TLSv1.3 · HSTS · DMARC
- **Google Calendar Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Google Calendar Plans Pricing**

## Tags

Availability, Calendar, Event, Google, Google Workspace, Scheduling

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