How popular isMailerSend?
In September 2026, people searched for MailerSend by name about 9,900 times worldwide, a 33.1% decrease from the previous year. These searches made up 1.7% of all global email API platform searches, placing MailerSend eighth out of eight platforms. When we asked both ChatGPT and Google AI Overviews about email API platforms, MailerSend did not appear in any of the answers.
MailerSend is the eighth most searched of 8 competitors and not listed in any AI answer.
Twilio SendGridShare of searches 36.3%Mentioned in 3 of 5 AI answersPlace in AI recommendations 5th
PostmarkShare of searches 13.4%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
MailgunShare of searches 12.9%Mentioned in 4 of 5 AI answersPlace in AI recommendations 4th
MailjetShare of searches 12.8%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
MailerSendShare of searches 1.7%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
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Top email API platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, MailerSend did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- Postmark1st
Resend2nd
Amazon SES3rd- Mailgun4th
- Twilio SendGrid5th
Mailtrap6th- Mailjet–
- MailerSend–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Postmark5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Mailgun4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Resend4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Amazon SES4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Twilio SendGrid3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Mailtrap1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Mailjet0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- MailerSend0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about email API platforms
5 answers
Asked ChatGPT
“Which email API platform should I use?”
Asked ChatGPT
“What are the best email API platforms?”
Asked ChatGPT
“What's the best email API platform for transactional email?”
Searched Google, AI Overview
“best email api”
Searched Google, AI Overview
“transactional email api”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Which email API platforms compete with MailerSend?
Share of searches by month for Twilio SendGrid, Postmark, Mailgun, Mailjet, Resend, Mailtrap, Amazon SES, MailerSend. The figures are in the table below the chart.
View monthly share of searches table
| Month | Twilio SendGrid | Postmark | Mailgun | Mailjet | Resend | Mailtrap | Amazon SES | MailerSend |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 43.2% | 8.8% | 15.3% | 15.3% | 2.4% | 8.4% | 4.6% | 2.1% |
| Nov 2025 | 40.1% | 10% | 17.4% | 14.3% | 2.9% | 7.8% | 5.2% | 2.3% |
| Dec 2025 | 41.6% | 12.5% | 14.8% | 12.1% | 3.4% | 8.1% | 5.4% | 2% |
| Jan 2026 | 38.2% | 11.7% | 16.6% | 13.6% | 4.2% | 7.5% | 6.1% | 2.2% |
| Feb 2026 | 39.1% | 11.9% | 17% | 11.4% | 4.8% | 7.7% | 6.2% | 1.9% |
| Mar 2026 | 41.7% | 10.4% | 14.8% | 12.1% | 5.8% | 8.1% | 5.4% | 1.6% |
| Apr 2026 | 38% | 11.5% | 16.4% | 11% | 6.4% | 9% | 6% | 1.8% |
| May 2026 | 41.1% | 12.4% | 14.7% | 9.8% | 7% | 8% | 5.4% | 1.6% |
| Jun 2026 | 40.2% | 12.1% | 14.3% | 11.7% | 7% | 7.9% | 5.2% | 1.6% |
| Jul 2026 | 35.2% | 12.9% | 15.3% | 10.2% | 9.6% | 8.4% | 6.8% | 1.7% |
| Aug 2026 | 37.9% | 14% | 13.4% | 9% | 9.2% | 7.4% | 7.3% | 1.8% |
| Sep 2026 | 36.3% | 13.4% | 12.9% | 12.8% | 8.8% | 7.1% | 7% | 1.7% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 36.3% | 209K | 0% | -1.6 points | |
| 2, held 2nd | 13.4% | 77.3K | 0% | -0.6 points | |
| 3, held 3rd | 12.9% | 74.1K | -0.04% | -0.6 points | |
| 4, moved from 5th to 4th | 12.8% | 74K | +49.5% | +3.9 pointsmoved from 5th to 4th | |
| 5, moved from 4th to 5th | 8.8% | 50.9K | +0.06% | -0.4 pointsmoved from 4th to 5th | |
| 6, held 6th | 7.1% | 40.8K | -0.15% | -0.3 points | |
| 7, held 7th | 7% | 40.5K | 0% | -0.3 points | |
| 8, held 8th | 1.7% | 9.9K | 0% | -0.1 points |
36.3%
Held 1st. 209K estimated branded searches, 0% vs prior month. Share -1.6 points.
2.
Postmark13.4%
Held 2nd. 77.3K estimated branded searches, 0% vs prior month. Share -0.6 points.
3.
Mailgun12.9%
Held 3rd. 74.1K estimated branded searches, -0.04% vs prior month. Share -0.6 points.
4.
Mailjet12.8%
Moved from 5th to 4th. 74K estimated branded searches, +49.5% vs prior month. Share +3.9 points.
5.
Resend8.8%
Moved from 4th to 5th. 50.9K estimated branded searches, +0.06% vs prior month. Share -0.4 points.
6.
Mailtrap7.1%
Held 6th. 40.8K estimated branded searches, -0.15% vs prior month. Share -0.3 points.
7%
Held 7th. 40.5K estimated branded searches, 0% vs prior month. Share -0.3 points.
1.7%
Held 8th. 9.9K estimated branded searches, 0% vs prior month. Share -0.1 points.
Compare popularity between MailerSend and its closest rivals
Every comparison with MailerSend
7 comparisons
How has branded search demand for MailerSend changed worldwide over the last 12 months?
2 findings
- Across the 12 months ending September 2026, estimated monthly branded searches for MailerSend worldwide fell from 14.8K to 9.9K.
- Across the 12 months ending September 2026, MailerSend’s share of searches among email API platforms worldwide held steady, from 2.1% to 1.7%.
How did search popularity change for email API platforms worldwide in September 2026?
6 changes
In September 2026, Mailjet overtook Resend to rank 4th among email API platforms worldwide, with 12.8% of the searches.
In September 2026, Twilio SendGrid lost share of searches among email API platforms worldwide, from 37.9% to 36.3%.
In September 2026, Postmark lost share of searches among email API platforms worldwide, from 14% to 13.4%.
In September 2026, Mailgun lost share of searches among email API platforms worldwide, from 13.4% to 12.9%.
Estimated monthly branded searches for Resend worldwide rose 200.4% over 12 measured months, from 17K to 50.9K in September 2026.
Estimated monthly branded searches for Amazon SES worldwide rose 22.4% over 12 measured months, from 33.1K to 40.5K in September 2026.
How are MailerSend’s branded searches counted?
1 search term
Brandwave collects information about searches that people make online using MailerSend’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.
- mailersend
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Is MailerSend your brand?
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