# Cronofy API vs Google Calendar API (slim)

> Google Calendar API has a score of 79.5 (A) against Cronofy API's 64.4 (B). Both do calendar read. The largest gap is maintenance & community, 31 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cronofy-vs-google-calendar-api.md (~1,500 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/compare/cronofy-vs-google-calendar-api.json · canonical https://www.anchorterminal.com/compare/cronofy-vs-google-calendar-api
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

Google Calendar API has a score of 79.5 (A) against Cronofy API's 64.4 (B). Both do calendar read. The largest gap is maintenance & community, 31 points.

- Cronofy API: B 64.4, rank #182 of 452 · https://www.anchorterminal.com/tools/cronofy.min.md
- Google Calendar API: A 79.5, rank #8 of 452 · https://www.anchorterminal.com/tools/google-calendar-api.min.md
- Pick Cronofy API for nothing in particular. Pick Google Calendar API for reliability (+5), schema & documentation (+25), agent ergonomics (+15), security & auth (+22), payments & pricing (+5), maintenance & community (+31), transparency & trust (+5).

| Category | Cronofy API | Google Calendar API |
| --- | --- | --- |
| Reliability (16%) | 85 | 90 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 58 | 83 |
| Agent ergonomics (13%) | 76 | 91 |
| Security & auth (14%) | 60 | 82 |
| Payments & pricing (10%) | 30 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 56 | 87 |
| Transparency & trust (7%) | 74 | 79 |