Brandwave

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.

Search and AI answers in September 2026

Mailtrap is the sixth most searched of 8 competitors and the sixth most recommended in AI answers.

  1. Twilio SendGridShare of searches 36.3%Mentioned in 3 of 5 AI answersPlace in AI recommendations 5th
  2. PostmarkShare of searches 13.4%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  3. MailgunShare of searches 12.9%Mentioned in 4 of 5 AI answersPlace in AI recommendations 4th
  4. MailjetShare of searches 12.8%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  5. 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.

  1. Postmark1st
  2. Resend2nd
  3. Amazon SES3rd
  4. Mailgun4th
  5. Twilio SendGrid5th
  6. Mailtrap6th
  7. Mailjet–
  8. 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

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?

Mailtrap against email API platforms worldwide, by month

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
MonthTwilio SendGridPostmarkMailgunMailjetResendMailtrapAmazon SESMailerSend
Oct 202543.2%8.8%15.3%15.3%2.4%8.4%4.6%2.1%
Nov 202540.1%10%17.4%14.3%2.9%7.8%5.2%2.3%
Dec 202541.6%12.5%14.8%12.1%3.4%8.1%5.4%2%
Jan 202638.2%11.7%16.6%13.6%4.2%7.5%6.1%2.2%
Feb 202639.1%11.9%17%11.4%4.8%7.7%6.2%1.9%
Mar 202641.7%10.4%14.8%12.1%5.8%8.1%5.4%1.6%
Apr 202638%11.5%16.4%11%6.4%9%6%1.8%
May 202641.1%12.4%14.7%9.8%7%8%5.4%1.6%
Jun 202640.2%12.1%14.3%11.7%7%7.9%5.2%1.6%
Jul 202635.2%12.9%15.3%10.2%9.6%8.4%6.8%1.7%
Aug 202637.9%14%13.4%9%9.2%7.4%7.3%1.8%
Sep 202636.3%13.4%12.9%12.8%8.8%7.1%7%1.7%
  1. Held 1st. 209K estimated branded searches, 0% vs prior month. Share -1.6 points.

  2. 2.Postmark

    13.4%

    Held 2nd. 77.3K estimated branded searches, 0% vs prior month. Share -0.6 points.

  3. 3.Mailgun

    12.9%

    Held 3rd. 74.1K estimated branded searches, -0.04% vs prior month. Share -0.6 points.

  4. 4.Mailjet

    12.8%

    Moved from 5th to 4th. 74K estimated branded searches, +49.5% vs prior month. Share +3.9 points.

  5. 5.Resend

    8.8%

    Moved from 4th to 5th. 50.9K estimated branded searches, +0.06% vs prior month. Share -0.4 points.

  6. 6.Mailtrap

    7.1%

    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.

  8. 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

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
  1. In September 2026, Mailjet overtook Resend to rank 4th among email API platforms worldwide, with 12.8% of the searches.

  2. In September 2026, Twilio SendGrid lost share of searches among email API platforms worldwide, from 37.9% to 36.3%.

  3. In September 2026, Postmark lost share of searches among email API platforms worldwide, from 14% to 13.4%.

  4. In September 2026, Mailgun lost share of searches among email API platforms worldwide, from 13.4% to 12.9%.

  5. Estimated monthly branded searches for Resend worldwide rose 200.4% over 12 measured months, from 17K to 50.9K in September 2026.

  6. 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

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How the Brand Demand Index is measured

Where does Mailtrap compete?

Mailtrap is ranked in three competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of searchesRanking
Transactional email services6th of 86.7%Show ranking
Email API platforms6th of 87.1%Shown above
Email deliverability testing tools3rd of 89.8%Show ranking
Creator with pink hair and a pink jacket

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.