G2 Vendor Directory

Transactional Email

69

Products

32.1K

Total reviews

4.4

Avg. rating

Customer.io by Customer.io leads the Transactional Email category with a 4.4 rating from 990 reviews. It also has the strongest momentum in the category.

LLM citations

Monthly citations by AI answer engines for the top products in Transactional Email.

LLM citations · Transactional Email

Source: G2 review data

Key stats

Customer.io

Customer.io

Small Business

Category trends

How the Transactional Email market is moving, from G2 review and Grid data.

Which products are most adopted?
1
Brevo714 2
Email API518 3
Customer.io512 4
Intuit Mailchimp Email Marketing408 5
GetResponse393
Which products climbed the Grid most?
1
SuprSend17 2
Sender.net15 3
Twilio SendGrid Email API9 4
GetResponse9 5
Amazon Simple Email Service (Amazon SES)8
Which products are reviewers switching to?
1
Brevo394 2
Omnisend244 3
Moosend145 4
Dotdigital141 5
Intuit Mailchimp Email Marketing109
Which products do enterprises choose?
1
Email API75 2
WebEngage52 3
Amazon Simple Email Service (Amazon SES)40 4
SAP Engagement Cloud (formerly SAP Emarsys)38 5
Dotdigital28
Which products do mid-market buyers choose?
1
Customer.io188 2
Email API177 3
WebEngage159 4
Dotdigital129 5
SAP Engagement Cloud (formerly SAP Emarsys)100
Which products do small businesses choose?
1
Brevo583 2
GetResponse310 3
Intuit Mailchimp Email Marketing293 4
Customer.io291 5
Email API263

Fastest growing

Ranked by G2 Momentum score.

1

Customer.io

by Customer.io · 990 reviews

4.4
2

SuprSend

by SuprSend · 129 reviews

4.8
3

Omnisend

by Omnisend · 1,254 reviews

4.6

All products

Ranked by G2 Grid position.

1

Customer.io

by Customer.io · 990 reviews

4.4
2

Brevo

by Brevo · 2,772 reviews

4.5
3

Amazon Simple Email Service (Amazon SES)

by Amazon Web Services (AWS) · 205 reviews

4.3
4

Omnisend

by Omnisend · 1,254 reviews

4.6
5

Email API

by Netcore Private Limited · 732 reviews

4.4

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