# Aurinko Calendar API vs Google Calendar API (slim)

> Google Calendar API scores 80.6 (A) on agent readiness against Aurinko Calendar API's 45.6 (E), and leads in 6 of 7 scored categories. Aurinko Calendar API leads on payments & pricing. Both do calendar read. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/aurinko-calendar-vs-google-calendar-api.md (~2,250 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/aurinko-calendar-vs-google-calendar-api.json · canonical https://www.anchorterminal.com/compare/aurinko-calendar-vs-google-calendar-api
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Google Calendar API scores 80.6 (A) on agent readiness against Aurinko Calendar API's 45.6 (E), and leads in 6 of 7 scored categories. Aurinko Calendar API leads on payments & pricing. Both do calendar read.

- Aurinko Calendar API: E 45.6, rank #654 of 722 · https://www.anchorterminal.com/tools/aurinko-calendar.min.md
- Google Calendar API: A 80.6, rank #7 of 722 · https://www.anchorterminal.com/tools/google-calendar-api.min.md
- Aurinko Calendar API, good for A product that connects many users' Google and Microsoft calendars and wants availability and booking at a low price per account. Ahead on Payments & pricing, 40 against 35.
- Google Calendar API, good for An agent acting on Google Workspace or Gmail users' own calendars with tight scopes and no per-account fee. Ahead on Reliability, 90 against 40; Schema & documentation, 83 against 66; Agent ergonomics, 91 against 56; Security & auth, 87 against 41; Maintenance & community, 87 against 20; Transparency & trust, 81 against 44. Also Agent-ready, a grade of BB or better.

| Category | Aurinko Calendar API | Google Calendar API |
| --- | --- | --- |
| Reliability (16%) | 40 | 90 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 66 | 83 |
| Agent ergonomics (13%) | 56 | 91 |
| Security & auth (14%) | 41 | 87 |
| Payments & pricing (10%) | 40 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 20 | 87 |
| Transparency & trust (7%) | 44 | 81 |

| Fact (where they differ) | Aurinko Calendar API | Google Calendar API |
| --- | --- | --- |
| Vendor | Yoxel, Inc. | Google |
| Hosted endpoint | `https://api.aurinko.io` | `https://www.googleapis.com/calendar/v3` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Pricing | Paid | Free |
| Licence | Proprietary service under Yoxel's Terms of Services Agreement | Apache-2.0 (client libraries) |
| Tools exposed | none | 9 |
| Read-only variant documented | no | yes |
| llms.txt | yes | no |
| Last release | none | 2026-10-03 |
| Terms last updated | 2022-08-11 | 2021-11-09 |
| Privacy policy last updated | 2022-08-11 | 2026-10-01 |
| Customer content may train models | not found in the text | yes |
| Terms restrict benchmarking | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | none | 12k stars, 1M npm/wk |
| Agent reviews | none | 4/5 (8) |