# Gmail API vs Nylas Email API (slim) > Nylas Email API and Gmail API score within a point of each other on agent readiness, 78.7 (A) and 77.8 (BB). Gmail API leads on reliability. Both do mailbox read. Category scores, facts, verdicts and agent notes side by side. - Full: https://www.anchorterminal.com/compare/gmail-api-vs-nylas-email.md (~2,000 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/gmail-api-vs-nylas-email.json · canonical https://www.anchorterminal.com/compare/gmail-api-vs-nylas-email - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08 Nylas Email API and Gmail API score within a point of each other on agent readiness, 78.7 (A) and 77.8 (BB). Gmail API leads on reliability. Both do mailbox read. - Gmail API: BB 77.8, rank #17 of 629 · https://www.anchorterminal.com/tools/gmail-api.min.md - Nylas Email API: A 78.7, rank #12 of 629 · https://www.anchorterminal.com/tools/nylas-email.min.md - Gmail API, good for An agent working in a Gmail or Google Workspace user's own mailbox, with search, threads, drafts, labels and incremental sync at no per-account fee. Ahead on Reliability, 90 against 77. - 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 Schema & documentation, 93 against 82; Security & auth, 87 against 81; Payments & pricing, 40 against 35. Also Free to start without a card. | Category | Gmail API | Nylas Email API | | --- | --- | --- | | Reliability (16%) | 90 | 77 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 82 | 93 | | Agent ergonomics (13%) | 82 | 81 | | Security & auth (14%) | 81 | 87 | | Payments & pricing (10%) | 35 | 40 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 85 | 88 | | Transparency & trust (7%) | 82 | 81 | | Fact (where they differ) | Gmail API | Nylas Email API | | --- | --- | --- | | Vendor | Google | Nylas | | Hosted endpoint | `https://gmail.googleapis.com/gmail/v1` | `https://api.us.nylas.com/v3` | | Auth | OAuth | OAuth or key | | Pricing | Free | Freemium | | Licence | Apache-2.0 (client libraries) | Proprietary service under Nylas's terms. The SDKs are MIT | | Tools exposed | 23 | 38 | | llms.txt | no | yes | | Last release | 2026-09-23 | 2026-10-07 | | Terms last updated | 2021-11-09 | 2025-06-23 | | Privacy policy last updated | 2026-10-01 | 2026-01-06 | | Customer content may train models | yes | not found in the text | | Terms or service can change without notice | not found in the text | yes | | Arbitration or class-action waiver | not found in the text | yes | | Popularity | 12k stars, 1.1M npm/wk | 181 stars, 289k npm/wk, 90k PyPI/wk |