How popular isMailtrap?
In September 2026, people searched for Mailtrap by name about 42,300 times worldwide, a 32.2% decrease from the previous year. These searches made up 7.1% of all global email API platform searches, placing Mailtrap sixth out of eight platforms. When we asked both ChatGPT and Google AI Overviews about email API platforms, Mailtrap appeared in one of the five answers and was the sixth most recommended of the eight.
Mailtrap is the sixth most searched of 8 competitors and the sixth most recommended in AI answers.
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 –
MailtrapShare of searches 7.1%Mentioned in 1 of 5 AI answersPlace in AI recommendations 6th
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Top email API platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Mailtrap was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Mailtrap is the sixth most recommended of the eight.
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 Mailtrap?
Share of searches by month for Twilio SendGrid, Postmark, Mailgun, Mailjet, Resend, Mailtrap, Amazon SES. 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 Mailtrap and its closest rivals
Every comparison with Mailtrap
15 comparisons
- Mail-Tester vs Mailtrap
- Mailtrap vs MXToolbox
- Mailgun vs Mailtrap
- Mailjet vs Mailtrap
- Mailtrap vs Postmark
- Mailtrap vs Resend
- Mailtrap vs Twilio SendGrid
- Amazon SES vs Mailtrap
- Mailtrap vs SMTP2GO
- MailerSend vs Mailtrap
- GlockApps vs Mailtrap
- MailReach vs Mailtrap
- InboxAlly vs Mailtrap
- Litmus vs Mailtrap
- MailMonitor vs Mailtrap
How has branded search demand for Mailtrap changed worldwide over the last 12 months?
4 findings
- Across the 12 months ending September 2026, estimated monthly branded searches for Mailtrap worldwide fell from 62.4K to 42.3K.
- Across the 12 months ending September 2026, Mailtrap’s share of searches among email API platforms worldwide decreased from 8.4% to 7.1%.
- Across the 12 months ending September 2026, Mailtrap’s share of searches among email API platforms worldwide peaked at 9% in April 2026 and was lowest at 7.1% in September 2026.
- Across the 12 months ending September 2026, Mailtrap fell from 5th to 6th among email API platforms worldwide.
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 Mailtrap’s branded searches counted?
5 search terms
Brandwave collects information about searches that people make online using Mailtrap’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.
- mailtrap
- mailtrap email
- mailtrap email sandbox
- mailtrap email testing
- mailtrap io
Do you work for Mailtrap? To request corrections or removal please contact us via our support page and we will be happy to assist.
Where does Mailtrap compete?
| Competitor set | Rank | Share of searches | Ranking |
|---|---|---|---|
| Transactional email services | 6th of 8 | 6.7% | Show ranking |
| Email API platforms | 6th of 8 | 7.1% | Shown above |
| Email deliverability testing tools | 3rd of 8 | 9.8% | Show ranking |

Is Mailtrap your brand?
Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.