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Alternatives · 2026

The best MailKite Server alternatives

The rest of Best Email APIs, in this site's order: each with what it costs, where it runs and its record score.

1
turboSMTP

It may suit website and app operators who need transactional email, as well as teams sending newsletters or marketing campaigns.

AndroidiPhone & iPadWeb+4 €14.95 a month Record6.6 Visit
2
MailerSend

MailerSend suits teams that need transactional email tools and integrations with listed services.

iPhone & iPadWebAPI $7 a month, billed yearly Record5.7 Visit
3
Postmark

Postmark suits developers and teams that need to send and track transactional or broadcast application email.

WebAPI Free plan Record5.5 Visit
4
CloudMailin

It suits developers who need inbound email delivered to an application webhook, or transactional email sent through an API or SMTP relay.

WebAPI $25 a month Record5.4 Visit
5
Twilio SendGrid

SendGrid suits developers and organizations sending transactional or marketing email through APIs or SMTP.

API $19.95 a month Record5.3 Visit
6
Maileroo

Maileroo is aimed at developers and scaling businesses, including startups, agencies, and enterprises.

WebAPI $10 a month Record5.2 Visit
7 WebAPI $9 a month Record5.2 Visit
8 WebAPI $15 a month Record5.2 Visit
9 WebAPI $20 a month Record5.2 Visit
10
SMTP2GO

SMTP2GO suits senders needing SMTP relay or API delivery, reporting, webhook events, and integrations.

WebAPI $100 a year Record5.2 Visit
11 WebAPISelf-hosted $10 a month Record5.1 Visit
12
Plunk

Plunk suits developers, marketers, and teams sharing email templates.

WebAPISelf-hosted Free plan Record5.1 Visit
13 WebAPI $20 a month Record5.1 Visit
14 WebAPISelf-hosted €30 a month Record5.0 Visit
15 WebAPI $10 usage-based Record5.0 Visit
16 WebAPI $49 a month, billed yearly Record4.8 Visit
17 WebWindowsMac+3 $1,450 a year Record4.7 Visit
18 WebAPI $20 a month, billed yearly Record4.7 Visit
19 API Free plan Record4.6 Visit
20 WebAPISelf-hosted $10 a month Record4.6 Visit
21 Web $29 a month Record4.5 Visit
22
Posta

Posta suits teams wanting self-hosted email delivery, inbound mail, templates, and webhooks.

WebAPISelf-hosted Free plan Record4.5 Visit
23 WebAPISelf-hosted $39.95 a month Record4.5 Visit
24 WebAPI — Record4.0 Visit