# Gmail API vs Unipile (slim)

> Gmail scores 77.8 (BB) to Unipile's 58.4 (C) for mailbox access. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/gmail-api-vs-unipile.md (~2,300 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/gmail-api-vs-unipile.json · canonical https://www.anchorterminal.com/compare/gmail-api-vs-unipile
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Gmail API scores 77.8 (BB) on agent readiness against Unipile's 58.4 (C), and leads in 6 of 7 scored categories. Unipile leads on payments & pricing. Both do mailbox access.

- Gmail API: BB 77.8, rank #19 of 950 · https://www.anchorterminal.com/tools/gmail-api.min.md
- Unipile: C 58.4, rank #581 of 950 · https://www.anchorterminal.com/tools/unipile.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 56; Schema & documentation, 82 against 77; Agent ergonomics, 82 against 73; Security & auth, 81 against 37; Maintenance & community, 85 against 59; Transparency & trust, 82 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. Ahead on Payments & pricing, 40 against 35. Also Free to start without a card.

| Category | Gmail API | Unipile |
| --- | --- | --- |
| Reliability (16%) | 90 | 56 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 82 | 77 |
| Agent ergonomics (13%) | 82 | 73 |
| Security & auth (14%) | 81 | 37 |
| Payments & pricing (10%) | 35 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 85 | 59 |
| Transparency & trust (7%) | 82 | 71 |

| Fact (where they differ) | Gmail API | Unipile |
| --- | --- | --- |
| Vendor | Google | UNIPILE SAS |
| Hosted endpoint | `https://gmail.googleapis.com/gmail/v1` | `https://developer.unipile.com/mcp?branch=v1.0` |
| Auth | OAuth | API key |
| Pricing | Free | Paid |
| Licence | Apache-2.0 (client libraries) | 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 | 23 | 5 |
| Read-only variant documented | no | yes |
| llms.txt | no | yes |
| MCP registry | not listed | `com.unipile/unipile-mcp` |
| Last release | 2026-09-23 | 2026-09-02 |
| Terms last updated | 2021-11-09 | no date given |
| Privacy policy last updated | 2026-10-01 | 2026-09-28 |
| Customer content may train models | yes | not found in the text |
| Terms restrict automated access | yes | not found in the text |
| Terms or service can change without notice | not found in the text | yes |
| Popularity | 12k stars, 1.1M npm/wk | 48 stars, 83k npm/wk |