# Aurinko Email API vs EmailEngine (slim)

> EmailEngine scores 71.4 (BB) to Aurinko Email's 44.2 (E) for mailbox access. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/aurinko-email-vs-emailengine.md (~2,350 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/aurinko-email-vs-emailengine.json · canonical https://www.anchorterminal.com/compare/aurinko-email-vs-emailengine
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

EmailEngine scores 71.4 (BB) on agent readiness against Aurinko Email API's 44.2 (E), and leads in 6 of 7 scored categories. Both do mailbox access.

- Aurinko Email API: E 44.2, rank #878 of 950 · https://www.anchorterminal.com/tools/aurinko-email.min.md
- EmailEngine: BB 71.4, rank #128 of 950 · https://www.anchorterminal.com/tools/emailengine.min.md
- Aurinko Email API, good for A product that connects many users' Gmail and Microsoft mailboxes and wants one schema, delta sync, tracking and webhooks at a low price per account. Also A hosted endpoint, with nothing to install; No incidents deducted, where EmailEngine loses 3 points for them.
- EmailEngine, good for A team that must keep mailbox access on its own infrastructure, has many mailboxes across Gmail, Microsoft 365 and IMAP, and can run a server and Redis. Ahead on Reliability, 79 against 40; Schema & documentation, 91 against 67; Agent ergonomics, 80 against 49; Security & auth, 71 against 42; Maintenance & community, 81 against 13; Transparency & trust, 72 against 44. Also Agent-ready, a grade of BB or better.

| Category | Aurinko Email API | EmailEngine |
| --- | --- | --- |
| Reliability (16%) | 40 | 79 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 67 | 91 |
| Agent ergonomics (13%) | 49 | 80 |
| Security & auth (14%) | 42 | 71 |
| Payments & pricing (10%) | 40 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 13 | 81 |
| Transparency & trust (7%) | 44 | 72 |

| Fact (where they differ) | Aurinko Email API | EmailEngine |
| --- | --- | --- |
| Vendor | Yoxel, Inc. | Postal Systems OÜ |
| Hosted endpoint | `https://api.aurinko.io` | no (local only) |
| Auth | OAuth | API key |
| Licence | Proprietary service under Yoxel's Terms of Services Agreement | Source available under the EmailEngine licence agreement, version 2.1 of 17 October 2023. Not open source. The PHP SDK is MIT |
| Last release | none | 2026-10-05 |
| Terms last updated | 2022-08-11 | no date given |
| Privacy policy last updated | 2022-08-11 | no date given |
| Terms restrict benchmarking | yes | not found in the text |
| Terms or service can change without notice | not found in the text | yes |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | none | 2.2k stars, 388 npm/wk |