# Outlook Mail (Microsoft Graph) vs Zoho Mail API (slim)

> Outlook Mail (Microsoft Graph) scores 66.3 (B) on agent readiness against Zoho Mail API's 53.8 (D), 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/outlook-mail-graph-vs-zoho-mail.md (~2,200 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/outlook-mail-graph-vs-zoho-mail.json · canonical https://www.anchorterminal.com/compare/outlook-mail-graph-vs-zoho-mail
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Outlook Mail (Microsoft Graph) scores 66.3 (B) on agent readiness against Zoho Mail API's 53.8 (D), and leads in 6 of 7 scored categories. Both do mailbox read.

- Outlook Mail (Microsoft Graph): B 66.3, rank #272 of 842 · https://www.anchorterminal.com/tools/outlook-mail-graph.min.md
- Zoho Mail API: D 53.8, rank #626 of 842 · https://www.anchorterminal.com/tools/zoho-mail.min.md
- Outlook Mail (Microsoft Graph), good for Agents working in Microsoft 365 or Outlook.com mailboxes that need scoped reading, drafting, sending and incremental sync. Ahead on Schema & documentation, 93 against 45; Agent ergonomics, 81 against 56; Payments & pricing, 35 against 30; Maintenance & community, 76 against 33. Also 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; No incidents deducted, where Outlook Mail (Microsoft Graph) loses 4 points for them.

| Category | Outlook Mail (Microsoft Graph) | Zoho Mail API |
| --- | --- | --- |
| Reliability (16%) | 60 | 63 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 93 | 45 |
| Agent ergonomics (13%) | 81 | 56 |
| Security & auth (14%) | 71 | 67 |
| Payments & pricing (10%) | 35 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 76 | 33 |
| Transparency & trust (7%) | 75 | 73 |

| Fact (where they differ) | Outlook Mail (Microsoft Graph) | Zoho Mail API |
| --- | --- | --- |
| Vendor | Microsoft | Zoho |
| Hosted endpoint | `https://graph.microsoft.com/v1.0` | no (local only) |
| Pricing | Your plan | Freemium |
| Licence | MIT (SDKs) | Proprietary service under the Zoho Terms of Service and the Zoho Mail usage policy. No source repository was found |
| Tools exposed | 10 | none |
| llms.txt | no | yes |
| Last release | 2026-10-06 | none |
| Terms last updated | 2025-10-01 | 2022-03-02 |
| Privacy policy last updated | 2026-09-01 | 2025-12-22 |
| Terms restrict automated access | yes | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | 835 stars, 2.9M npm/wk, 1.6M PyPI/wk | none |