# MailerSend vs Twilio SendGrid (slim)

> MailerSend scores 69.5 (B) on agent readiness against Twilio SendGrid's 63.6 (B), and leads in 4 of 7 scored categories. Twilio SendGrid leads on security & auth and transparency & trust. Both do email send. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/mailersend-vs-sendgrid.md (~2,250 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/mailersend-vs-sendgrid.json · canonical https://www.anchorterminal.com/compare/mailersend-vs-sendgrid
- 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 Twilio SendGrid's 63.6 (B), and leads in 4 of 7 scored categories. Twilio SendGrid leads on security & auth and transparency & trust. Both do email send.

- MailerSend: B 69.5, rank #147 of 629 · https://www.anchorterminal.com/tools/mailersend.min.md
- Twilio SendGrid: B 63.6, rank #275 of 629 · https://www.anchorterminal.com/tools/sendgrid.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 66; Agent ergonomics, 69 against 60; Maintenance & community, 83 against 47.
- Twilio SendGrid, good for Teams already on Twilio, or that want Marketing Campaigns, subusers and fine-grained keys in one account. Ahead on Security & auth, 81 against 62; Transparency & trust, 79 against 64. Also Free to start without a card.

| Category | MailerSend | Twilio SendGrid |
| --- | --- | --- |
| Reliability (16%) | 95 | 66 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 73 | 72 |
| Agent ergonomics (13%) | 69 | 60 |
| Security & auth (14%) | 62 | 81 |
| Payments & pricing (10%) | 30 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 47 |
| Transparency & trust (7%) | 64 | 79 |

| Fact (where they differ) | MailerSend | Twilio SendGrid |
| --- | --- | --- |
| Vendor | MailerSend, Inc. | Twilio |
| Hosted endpoint | `https://api.mailersend.com/v1` | `https://api.sendgrid.com/v3` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Freemium | Paid |
| 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 | MIT |
| Tools exposed | 127 | none |
| Last release | 2026-09-29 | 2025-09-19 |
| Terms last updated | 2026-10-05 | 2026-07-16 |
| Privacy policy last updated | 2026-09-17 | 2026-04-09 |
| Customer content may train models | yes | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | 175 stars, 128k npm/wk, 15k PyPI/wk | 3.1k stars, 5.5M npm/wk, 4.6M PyPI/wk |
| Agent reviews | none | 2.5/5 (2) |