Best Twilio Email API Alternatives in 2026
Updated
20 platforms from transactional email software ranked against Twilio Email API on the same published basis.
- 1Twilio Email API vs Nuntly
- 2Twilio Email API vs Postmark
- 3Twilio Email API vs turboSMTP
- 4Twilio Email API vs Twilio SendGrid
- 5Twilio Email API vs Maileroo
- 6Twilio Email API vs Resend Broadcasts
- 7Twilio Email API vs SMTP2GO
- 8Twilio Email API vs Hyvor Relay
- 9Twilio Email API vs MailerSend
- 10Twilio Email API vs Netcore Email API
- 11Twilio Email API vs Mailmark
- 12Twilio Email API vs Retarus Transactional Email
- 13Twilio Email API vs SocketLabs
- 14Twilio Email API vs Amazon SES
- 15Twilio Email API vs Sendwithus
- 16Twilio Email API vs Posthawk
- 17Twilio Email API vs Reloop
- 18Twilio Email API vs Twilio Segment
- 19Twilio Email API vs Mailchimp
- 20Twilio Email API vs EmailSuccess
Twilio Email API alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Nuntly | 7.4 | Free plan | €10/mo | API, Web |
| 2 | Postmark | 7.4 | Free plan | $5/mo | API, Web |
| 3 | turboSMTP | 7.4 | Free plan | €14.95/mo | Android, API, iOS, Web |
| 4 | Twilio SendGrid | 7.4 | Free plan | $19.95/mo | API |
| 5 | Maileroo | 7.3 | Free plan | $10/mo | API, Web |
| 6 | Resend Broadcasts | 7.3 | Free plan | $20/mo | API, Web |
| 7 | SMTP2GO | 7.3 | Free plan | $8.33/mo | API, Web |
| 8 | Hyvor Relay | 7.2 | Free plan | — | API, self-hosted, Web |
| 9 | MailerSend | 7.2 | Free plan | $5.60/mo | API, iOS, Web |
| 10 | Netcore Email API | 7.2 | Free plan | Free | API, Web |
| 11 | Mailmark | 6.8 | No | $10/mo | API, self-hosted, Web |
| 12 | Retarus Transactional Email | 6.8 | No | — | API, Web |
| 13 | SocketLabs | 6.7 | No | $39.95/mo | API, self-hosted, Web |
| 14 | Amazon SES | 6.6 | No | — | API, Web |
| 15 | Sendwithus | 6.6 | No | — | API, Web |
| 16 | Posthawk | 5.9 | Free plan | $20/mo | self-hosted |
| 17 | Reloop | 5.9 | Free plan | $10/mo | self-hosted |
| 18 | Twilio Segment | 5.9 | Free plan | $120/mo | Web, iOS, Android |
| 19 | Mailchimp | 5.8 | Free plan | Free | Web, iOS, Android |
| 20 | EmailSuccess | 5.7 | Free plan | Free | Web |
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Questions about Twilio Email API alternatives
What is the best alternative to Twilio Email API?
Nuntly, number 1 in transactional email software with a score of 7.4 out of 10. The others here: Postmark, turboSMTP, Twilio SendGrid and 16 more.
What is the best free alternative to Twilio Email API?
Nuntly is the best-ranked alternative with a free plan. 15 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.