# Gmail API vs Zoho Mail API (slim)

> Gmail API scores 77.8 (BB) on agent readiness against Zoho Mail API's 53.8 (D), and leads in every scored category. Both do mailbox read. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/gmail-api-vs-zoho-mail.md (~2,100 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/gmail-api-vs-zoho-mail.json · canonical https://www.anchorterminal.com/compare/gmail-api-vs-zoho-mail
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Gmail API scores 77.8 (BB) on agent readiness against Zoho Mail API's 53.8 (D), and leads in every scored category. Both do mailbox read.

- Gmail API: BB 77.8, rank #18 of 842 · https://www.anchorterminal.com/tools/gmail-api.min.md
- Zoho Mail API: D 53.8, rank #626 of 842 · https://www.anchorterminal.com/tools/zoho-mail.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 63; Schema & documentation, 82 against 45; Agent ergonomics, 82 against 56; Security & auth, 81 against 67; Payments & pricing, 35 against 30; Maintenance & community, 85 against 33; Transparency & trust, 82 against 73. Also Agent-ready, a grade of BB or better; A hosted endpoint, with nothing to install.
- Zoho Mail API, good for An agent working inside its owner's Zoho Mail mailbox or administering a Zoho Mail organisation, where narrow scopes and the MCP server keep access small. Also Free to start without a card.

| Category | Gmail API | Zoho Mail API |
| --- | --- | --- |
| Reliability (16%) | 90 | 63 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 82 | 45 |
| Agent ergonomics (13%) | 82 | 56 |
| Security & auth (14%) | 81 | 67 |
| Payments & pricing (10%) | 35 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 85 | 33 |
| Transparency & trust (7%) | 82 | 73 |

| Fact (where they differ) | Gmail API | Zoho Mail API |
| --- | --- | --- |
| Vendor | Google | Zoho |
| Hosted endpoint | `https://gmail.googleapis.com/gmail/v1` | no (local only) |
| Transports | HTTP, Streamable HTTP | HTTP |
| Pricing | Free | Freemium |
| Licence | Apache-2.0 (client libraries) | Proprietary service under the Zoho Terms of Service and the Zoho Mail usage policy. No source repository was found |
| Tools exposed | 23 | none |
| llms.txt | no | yes |
| Last release | 2026-09-23 | none |
| Terms last updated | 2021-11-09 | 2022-03-02 |
| Privacy policy last updated | 2026-10-01 | 2025-12-22 |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | not found in the text | yes |
| Popularity | 12k stars, 1.1M npm/wk | none |