# Nylas Email API vs Unipile (slim) > Nylas Email API scores 78.7 (A) on agent readiness against Unipile's 58.4 (C), and leads in 6 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-unipile.md (~2,050 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/nylas-email-vs-unipile.json · canonical https://www.anchorterminal.com/compare/nylas-email-vs-unipile - 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 Unipile's 58.4 (C), and leads in 6 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 - Unipile: C 58.4, rank #402 of 629 · https://www.anchorterminal.com/tools/unipile.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 56; Schema & documentation, 93 against 77; Agent ergonomics, 81 against 73; Security & auth, 87 against 37; Maintenance & community, 88 against 59; Transparency & trust, 81 against 71. Also Agent-ready, a grade of BB or better. - Unipile, good for A product that needs one API over Gmail, Outlook and IMAP together with LinkedIn or WhatsApp messaging, priced per account. | Category | Nylas Email API | Unipile | | --- | --- | --- | | Reliability (16%) | 77 | 56 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 93 | 77 | | Agent ergonomics (13%) | 81 | 73 | | Security & auth (14%) | 87 | 37 | | Payments & pricing (10%) | 40 | 40 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 88 | 59 | | Transparency & trust (7%) | 81 | 71 | | Fact (where they differ) | Nylas Email API | Unipile | | --- | --- | --- | | Vendor | Nylas | UNIPILE SAS | | Hosted endpoint | `https://api.us.nylas.com/v3` | `https://developer.unipile.com/mcp?branch=v1.0` | | Auth | OAuth or key | API key | | Pricing | Freemium | Paid | | Licence | Proprietary service under Nylas's terms. The SDKs are MIT | Proprietary service under Unipile's terms of use. The v1 Node SDK repository and the unipile-mcp repository carry an MIT licence file | | Tools exposed | 38 | 5 | | Read-only variant documented | no | yes | | MCP registry | not listed | `com.unipile/unipile-mcp` | | Last release | 2026-10-07 | 2026-09-02 | | Terms last updated | 2025-06-23 | no date given | | Privacy policy last updated | 2026-01-06 | 2026-09-28 | | Terms restrict automated access | yes | not found in the text | | Arbitration or class-action waiver | yes | not found in the text | | Popularity | 181 stars, 289k npm/wk, 90k PyPI/wk | 48 stars, 83k npm/wk |