# Calendars & scheduling compared head to head

> 45 head-to-head comparisons of calendar and scheduling APIs for AI agents, grouped by the job each pair shares, with benchmark scores for both sides.

- Canonical: https://www.anchorterminal.com/compare/scheduling/
- Markdown: https://www.anchorterminal.com/compare/scheduling/index.md (~2,050 tokens)
- Slim: https://www.anchorterminal.com/compare/scheduling/index.min.md (~1,980 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/scheduling/index.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-09

- Ranked table: https://www.anchorterminal.com/categories/scheduling.md
- Shortlist and picks by need: https://www.anchorterminal.com/best/scheduling/index.md

## Ranked

1. [Google Calendar API](https://www.anchorterminal.com/tools/google-calendar-api.md) A 80.6
2. [Nylas Calendar and Scheduler API](https://www.anchorterminal.com/tools/nylas-calendar.md) BB 71
3. [Calendly API + MCP](https://www.anchorterminal.com/tools/calendly.md) B 68.3
4. [Microsoft Graph Calendar API](https://www.anchorterminal.com/tools/microsoft-graph-calendar.md) B 65.1
5. [Cronofy API](https://www.anchorterminal.com/tools/cronofy.md) B 64.2
6. [Cal.com API v2 + MCP](https://www.anchorterminal.com/tools/cal-com.md) C 57.2
7. [Zoom Scheduler API](https://www.anchorterminal.com/tools/zoom-scheduler.md) D 50.6
8. [Aurinko Calendar API](https://www.anchorterminal.com/tools/aurinko-calendar.md) E 45.6
9. [Acuity Scheduling API](https://www.anchorterminal.com/tools/acuity-scheduling.md) E 42.4
10. [Apiroc Unified Calendar API](https://www.anchorterminal.com/tools/apiroc.md) E 41.1

## Calendar access

- [Acuity Scheduling API vs Apiroc Unified Calendar API](https://www.anchorterminal.com/compare/acuity-scheduling-vs-apiroc.md): E 42.4 vs E 41.1
- [Acuity Scheduling API vs Aurinko Calendar API](https://www.anchorterminal.com/compare/acuity-scheduling-vs-aurinko-calendar.md): E 42.4 vs E 45.6
- [Acuity Scheduling API vs Cal.com API v2 + MCP](https://www.anchorterminal.com/compare/acuity-scheduling-vs-cal-com.md): E 42.4 vs C 57.2
- [Acuity Scheduling API vs Calendly API + MCP](https://www.anchorterminal.com/compare/acuity-scheduling-vs-calendly.md): E 42.4 vs B 68.3
- [Acuity Scheduling API vs Cronofy API](https://www.anchorterminal.com/compare/acuity-scheduling-vs-cronofy.md): E 42.4 vs B 64.2
- [Acuity Scheduling API vs Google Calendar API](https://www.anchorterminal.com/compare/acuity-scheduling-vs-google-calendar-api.md): E 42.4 vs A 80.6
- [Acuity Scheduling API vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/acuity-scheduling-vs-microsoft-graph-calendar.md): E 42.4 vs B 65.1
- [Acuity Scheduling API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/acuity-scheduling-vs-nylas-calendar.md): E 42.4 vs BB 71
- [Acuity Scheduling API vs Zoom Scheduler API](https://www.anchorterminal.com/compare/acuity-scheduling-vs-zoom-scheduler.md): E 42.4 vs D 50.6
- [Apiroc Unified Calendar API vs Aurinko Calendar API](https://www.anchorterminal.com/compare/apiroc-vs-aurinko-calendar.md): E 41.1 vs E 45.6
- [Apiroc Unified Calendar API vs Cal.com API v2 + MCP](https://www.anchorterminal.com/compare/apiroc-vs-cal-com.md): E 41.1 vs C 57.2
- [Apiroc Unified Calendar API vs Calendly API + MCP](https://www.anchorterminal.com/compare/apiroc-vs-calendly.md): E 41.1 vs B 68.3
- [Apiroc Unified Calendar API vs Cronofy API](https://www.anchorterminal.com/compare/apiroc-vs-cronofy.md): E 41.1 vs B 64.2
- [Apiroc Unified Calendar API vs Google Calendar API](https://www.anchorterminal.com/compare/apiroc-vs-google-calendar-api.md): E 41.1 vs A 80.6
- [Apiroc Unified Calendar API vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/apiroc-vs-microsoft-graph-calendar.md): E 41.1 vs B 65.1
- [Apiroc Unified Calendar API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/apiroc-vs-nylas-calendar.md): E 41.1 vs BB 71
- [Apiroc Unified Calendar API vs Zoom Scheduler API](https://www.anchorterminal.com/compare/apiroc-vs-zoom-scheduler.md): E 41.1 vs D 50.6
- [Aurinko Calendar API vs Cal.com API v2 + MCP](https://www.anchorterminal.com/compare/aurinko-calendar-vs-cal-com.md): E 45.6 vs C 57.2
- [Aurinko Calendar API vs Calendly API + MCP](https://www.anchorterminal.com/compare/aurinko-calendar-vs-calendly.md): E 45.6 vs B 68.3
- [Aurinko Calendar API vs Cronofy API](https://www.anchorterminal.com/compare/aurinko-calendar-vs-cronofy.md): E 45.6 vs B 64.2
- [Aurinko Calendar API vs Google Calendar API](https://www.anchorterminal.com/compare/aurinko-calendar-vs-google-calendar-api.md): E 45.6 vs A 80.6
- [Aurinko Calendar API vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/aurinko-calendar-vs-microsoft-graph-calendar.md): E 45.6 vs B 65.1
- [Aurinko Calendar API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/aurinko-calendar-vs-nylas-calendar.md): E 45.6 vs BB 71
- [Aurinko Calendar API vs Zoom Scheduler API](https://www.anchorterminal.com/compare/aurinko-calendar-vs-zoom-scheduler.md): E 45.6 vs D 50.6
- [Cal.com API v2 + MCP vs Calendly API + MCP](https://www.anchorterminal.com/compare/cal-com-vs-calendly.md): C 57.2 vs B 68.3
- [Cal.com API v2 + MCP vs Cronofy API](https://www.anchorterminal.com/compare/cal-com-vs-cronofy.md): C 57.2 vs B 64.2
- [Cal.com API v2 + MCP vs Google Calendar API](https://www.anchorterminal.com/compare/cal-com-vs-google-calendar-api.md): C 57.2 vs A 80.6
- [Cal.com API v2 + MCP vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/cal-com-vs-microsoft-graph-calendar.md): C 57.2 vs B 65.1
- [Cal.com API v2 + MCP vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/cal-com-vs-nylas-calendar.md): C 57.2 vs BB 71
- [Cal.com API v2 + MCP vs Zoom Scheduler API](https://www.anchorterminal.com/compare/cal-com-vs-zoom-scheduler.md): C 57.2 vs D 50.6
- [Calendly API + MCP vs Cronofy API](https://www.anchorterminal.com/compare/calendly-vs-cronofy.md): B 68.3 vs B 64.2
- [Calendly API + MCP vs Google Calendar API](https://www.anchorterminal.com/compare/calendly-vs-google-calendar-api.md): B 68.3 vs A 80.6
- [Calendly API + MCP vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/calendly-vs-microsoft-graph-calendar.md): B 68.3 vs B 65.1
- [Calendly API + MCP vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/calendly-vs-nylas-calendar.md): B 68.3 vs BB 71
- [Calendly API + MCP vs Zoom Scheduler API](https://www.anchorterminal.com/compare/calendly-vs-zoom-scheduler.md): B 68.3 vs D 50.6
- [Cronofy API vs Google Calendar API](https://www.anchorterminal.com/compare/cronofy-vs-google-calendar-api.md): B 64.2 vs A 80.6
- [Cronofy API vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/cronofy-vs-microsoft-graph-calendar.md): B 64.2 vs B 65.1
- [Cronofy API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/cronofy-vs-nylas-calendar.md): B 64.2 vs BB 71
- [Cronofy API vs Zoom Scheduler API](https://www.anchorterminal.com/compare/cronofy-vs-zoom-scheduler.md): B 64.2 vs D 50.6
- [Google Calendar API vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/google-calendar-api-vs-microsoft-graph-calendar.md): A 80.6 vs B 65.1
- [Google Calendar API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/google-calendar-api-vs-nylas-calendar.md): A 80.6 vs BB 71
- [Google Calendar API vs Zoom Scheduler API](https://www.anchorterminal.com/compare/google-calendar-api-vs-zoom-scheduler.md): A 80.6 vs D 50.6
- [Microsoft Graph Calendar API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/microsoft-graph-calendar-vs-nylas-calendar.md): B 65.1 vs BB 71
- [Microsoft Graph Calendar API vs Zoom Scheduler API](https://www.anchorterminal.com/compare/microsoft-graph-calendar-vs-zoom-scheduler.md): B 65.1 vs D 50.6
- [Nylas Calendar and Scheduler API vs Zoom Scheduler API](https://www.anchorterminal.com/compare/nylas-calendar-vs-zoom-scheduler.md): BB 71 vs D 50.6