# Acuity Scheduling API vs Aurinko Calendar API (slim)

> Aurinko Calendar API scores 45.6 (E) on agent readiness against Acuity Scheduling API's 42.4 (E), and leads in 5 of 7 scored categories. Acuity Scheduling API leads on reliability and transparency & trust. Both do calendar read. Category scores, facts, verdicts and agent notes…

- Full: https://www.anchorterminal.com/compare/acuity-scheduling-vs-aurinko-calendar.md (~2,350 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/acuity-scheduling-vs-aurinko-calendar.json · canonical https://www.anchorterminal.com/compare/acuity-scheduling-vs-aurinko-calendar
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Aurinko Calendar API scores 45.6 (E) on agent readiness against Acuity Scheduling API's 42.4 (E), and leads in 5 of 7 scored categories. Acuity Scheduling API leads on reliability and transparency & trust. Both do calendar read.

- Acuity Scheduling API: E 42.4, rank #678 of 722 · https://www.anchorterminal.com/tools/acuity-scheduling.min.md
- Aurinko Calendar API: E 45.6, rank #654 of 722 · https://www.anchorterminal.com/tools/aurinko-calendar.min.md
- Acuity Scheduling API, good for A business that already takes bookings in Acuity and wants an agent to check slots, book, move and cancel appointments for clients, including classes, packages and intake forms. Ahead on Reliability, 58 against 40; Transparency & trust, 54 against 44.
- 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 Schema & documentation, 66 against 56; Agent ergonomics, 56 against 44; Security & auth, 41 against 27; Payments & pricing, 40 against 30; Maintenance & community, 20 against 15.

| Category | Acuity Scheduling API | Aurinko Calendar API |
| --- | --- | --- |
| Reliability (16%) | 58 | 40 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 56 | 66 |
| Agent ergonomics (13%) | 44 | 56 |
| Security & auth (14%) | 27 | 41 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 15 | 20 |
| Transparency & trust (7%) | 54 | 44 |

| Fact (where they differ) | Acuity Scheduling API | Aurinko Calendar API |
| --- | --- | --- |
| Vendor | Squarespace | Yoxel, Inc. |
| Hosted endpoint | `https://acuityscheduling.com/api/v1` | `https://api.aurinko.io` |
| Auth | OAuth or key | OAuth |
| Licence | Proprietary service under Squarespace's Developer Terms. The Node.js and PHP SDKs are MIT | Proprietary service under Yoxel's Terms of Services Agreement |
| Terms last updated | 2025-12-16 | 2022-08-11 |
| Privacy policy last updated | no date given | 2022-08-11 |
| Terms restrict automated access | not found in the text | yes |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | 9.2k npm/wk | none |