# Nylas Email API vs Outlook Mail (Microsoft Graph) (slim)

> Nylas Email API scores 78.7 (A) on agent readiness against Outlook Mail (Microsoft Graph)'s 66.3 (B), and leads in 5 of 7 scored categories. Both do mailbox read. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/nylas-email-vs-outlook-mail-graph.md (~2,050 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/nylas-email-vs-outlook-mail-graph.json · canonical https://www.anchorterminal.com/compare/nylas-email-vs-outlook-mail-graph
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Nylas Email API scores 78.7 (A) on agent readiness against Outlook Mail (Microsoft Graph)'s 66.3 (B), and leads in 5 of 7 scored categories. Both do mailbox read.

- Nylas Email API: A 78.7, rank #12 of 629 · https://www.anchorterminal.com/tools/nylas-email.min.md
- Outlook Mail (Microsoft Graph): B 66.3, rank #221 of 629 · https://www.anchorterminal.com/tools/outlook-mail-graph.min.md
- Nylas Email API, good for Products that act in their users' own mailboxes across several providers and want one schema, webhooks and OAuth handled. Ahead on Reliability, 77 against 60; Security & auth, 87 against 71; Payments & pricing, 40 against 35; Maintenance & community, 88 against 76; Transparency & trust, 81 against 75. Also Agent-ready, a grade of BB or better; Free to start without a card; No incidents deducted, where Outlook Mail (Microsoft Graph) loses 4 points for them.
- Outlook Mail (Microsoft Graph), good for Agents working in Microsoft 365 or Outlook.com mailboxes that need scoped reading, drafting, sending and incremental sync.

| Category | Nylas Email API | Outlook Mail (Microsoft Graph) |
| --- | --- | --- |
| Reliability (16%) | 77 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 93 | 93 |
| Agent ergonomics (13%) | 81 | 81 |
| Security & auth (14%) | 87 | 71 |
| Payments & pricing (10%) | 40 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 88 | 76 |
| Transparency & trust (7%) | 81 | 75 |

| Fact (where they differ) | Nylas Email API | Outlook Mail (Microsoft Graph) |
| --- | --- | --- |
| Vendor | Nylas | Microsoft |
| Hosted endpoint | `https://api.us.nylas.com/v3` | `https://graph.microsoft.com/v1.0` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Auth | OAuth or key | OAuth |
| Pricing | Freemium | Your plan |
| Licence | Proprietary service under Nylas's terms. The SDKs are MIT | MIT (SDKs) |
| Tools exposed | 38 | 10 |
| llms.txt | yes | no |
| Last release | 2026-10-07 | 2026-10-06 |
| Terms last updated | 2025-06-23 | 2025-10-01 |
| Privacy policy last updated | 2026-01-06 | 2026-09-01 |
| Customer content may train models | not found in the text | yes |
| Terms restrict benchmarking | not found in the text | yes |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 181 stars, 289k npm/wk, 90k PyPI/wk | 835 stars, 2.9M npm/wk, 1.6M PyPI/wk |