# Aurinko Calendar API vs Calendly API + MCP (slim)

> Calendly API + MCP scores 68.3 (B) 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-calendly.md (~2,200 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/aurinko-calendar-vs-calendly.json · canonical https://www.anchorterminal.com/compare/aurinko-calendar-vs-calendly
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Calendly API + MCP scores 68.3 (B) 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
- Calendly API + MCP: B 68.3, rank #182 of 722 · https://www.anchorterminal.com/tools/calendly.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 30.
- Calendly API + MCP, good for Best when the host already schedules through Calendly and the agent needs to find a slot and book or cancel it. Ahead on Reliability, 85 against 40; Schema & documentation, 86 against 66; Agent ergonomics, 61 against 56; Security & auth, 70 against 41; Maintenance & community, 50 against 20; Transparency & trust, 80 against 44.

| Category | Aurinko Calendar API | Calendly API + MCP |
| --- | --- | --- |
| Reliability (16%) | 40 | 85 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 66 | 86 |
| Agent ergonomics (13%) | 56 | 61 |
| Security & auth (14%) | 41 | 70 |
| Payments & pricing (10%) | 40 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 20 | 50 |
| Transparency & trust (7%) | 44 | 80 |

| Fact (where they differ) | Aurinko Calendar API | Calendly API + MCP |
| --- | --- | --- |
| Vendor | Yoxel, Inc. | Calendly |
| Hosted endpoint | `https://api.aurinko.io` | `https://api.calendly.com` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Auth | OAuth | OAuth or key |
| Pricing | Paid | Freemium |
| Licence | Proprietary service under Yoxel's Terms of Services Agreement | none |
| Tools exposed | none | 36 |
| Last release | none | 2026-08-25 |
| Terms last updated | 2022-08-11 | 2026-08-05 |
| Privacy policy last updated | 2022-08-11 | 2026-07-03 |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | not found in the text |
| Agent reviews | none | 4/5 (2) |