# MailerSend vs Zoho CPaaS (formerly ZeptoMail) (slim)

> MailerSend scores 69.5 (B) on agent readiness against Zoho CPaaS (formerly ZeptoMail)'s 61.8 (C), and leads in 3 of 7 scored categories. Zoho CPaaS (formerly ZeptoMail) leads on schema & documentation, security & auth, payments & pricing and transparency & trust. Both do email…

- Full: https://www.anchorterminal.com/compare/mailersend-vs-zoho-zeptomail.md (~2,700 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/mailersend-vs-zoho-zeptomail.json · canonical https://www.anchorterminal.com/compare/mailersend-vs-zoho-zeptomail
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

MailerSend scores 69.5 (B) on agent readiness against Zoho CPaaS (formerly ZeptoMail)'s 61.8 (C), and leads in 3 of 7 scored categories. Zoho CPaaS (formerly ZeptoMail) leads on schema & documentation, security & auth, payments & pricing and transparency & trust. Both do email send.

- MailerSend: B 69.5, rank #156 of 722 · https://www.anchorterminal.com/tools/mailersend.min.md
- Zoho CPaaS (formerly ZeptoMail): C 61.8, rank #356 of 722 · https://www.anchorterminal.com/tools/zoho-zeptomail.min.md
- MailerSend, good for An agent sending transactional email for an owner who wants scoped tokens, a hosted MCP server and low entry prices, with SMS and WhatsApp on the same API. Ahead on Reliability, 95 against 41; Agent ergonomics, 69 against 55; Maintenance & community, 83 against 74.
- Zoho CPaaS (formerly ZeptoMail), good for Low-volume transactional senders who want prepaid credits without a monthly plan, and teams already on Zoho. Ahead on Schema & documentation, 78 against 73; Security & auth, 76 against 62; Payments & pricing, 40 against 30; Transparency & trust, 82 against 64.

| Category | MailerSend | Zoho CPaaS (formerly ZeptoMail) |
| --- | --- | --- |
| Reliability (16%) | 95 | 41 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 73 | 78 |
| Agent ergonomics (13%) | 69 | 55 |
| Security & auth (14%) | 62 | 76 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 74 |
| Transparency & trust (7%) | 64 | 82 |

| Fact (where they differ) | MailerSend | Zoho CPaaS (formerly ZeptoMail) |
| --- | --- | --- |
| Vendor | MailerSend, Inc. | Zoho Corporation |
| Hosted endpoint | `https://api.mailersend.com/v1` | `https://cpaas.zoho.com/v1.1` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Pricing | Freemium | Pay per use |
| Price for email send | $4 per month (plan) | not published |
| Licence | Proprietary service under MailerSend's terms of use. The SDKs and the CLI on GitHub are MIT | Proprietary service under the Zoho CPaaS terms of use. The Node SDK on npm is MIT |
| Tools exposed | 127 | none |
| Last release | 2026-09-29 | none |
| Terms last updated | 2026-10-05 | no date given |
| Privacy policy last updated | 2026-09-17 | 2025-12-22 |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 175 stars, 128k npm/wk, 15k PyPI/wk | 40k npm/wk |