Brandwave

Transactional email platforms:Which brands are most popular in search?

In August 2026, Twilio SendGrid was the most searched among transactional email platforms worldwide, with an estimated 209K branded searches and 59.3% estimated Share of Search within this set. Worldwide · English terms: these are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. Twilio SendGrid59.3%
  2. Mailgun21%
  3. Mailtrap12.1%
  4. Resend6.6%
  5. Postmark0.93%

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Share of SearchLeaderboard

Compare email delivery services for application messages and customer notifications. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

Share of Search among transactional email platforms worldwide, by month

Share of Search by month for Twilio SendGrid, Mailgun, Mailtrap, Resend. The figures are in the table below the chart.

View monthly share of search table
MonthTwilio SendGridMailgunMailtrapResendPostmark
Oct 202562.9%22.3%12.6%1.6%0.6%
Nov 202559.3%25.7%12%2.2%0.7%
Dec 202562.1%22.2%12.6%2.5%0.64%
Jan 202658.5%25.4%11.9%3.4%0.83%
Feb 202658.4%25.3%11.9%3.6%0.75%
Mar 202661.3%21.7%12.4%3.9%0.65%
Apr 202656.6%24.4%14%4.3%0.73%
May 202660.5%21.6%12.4%4.9%0.66%
Jun 202660.2%21.5%12.3%5.4%0.66%
Jul 202654.6%23.7%13.5%7.6%0.73%
Aug 202659.3%21%12.1%6.6%0.93%
Sep 2026—————

This month’s ranking, August 2026

  1. 1.Twilio SendGrid

    59.3%

    held 1st · 209K estimated branded searches · 0% vs prior month · +4.8 points

  2. 2.Mailgun

    21%

    held 2nd · 74.2K estimated branded searches · -18.2% vs prior month · -2.6 points

  3. 3.Mailtrap

    12.1%

    held 3rd · 42.7K estimated branded searches · -17.5% vs prior month · -1.4 points

  4. 4.Resend

    6.6%

    held 4th · 23.2K estimated branded searches · -20.1% vs prior month · -1 points

  5. 5.Postmark

    0.93%

    held 5th · 3.3K estimated branded searches · +18% vs prior month · +0.2 points

Compare search popularity between leading brands

Which brand is most popular in search among transactional email platforms worldwide?

In August 2026, Twilio SendGrid was the most searched among transactional email platforms worldwide, with an estimated 209K branded searches and 59.3% estimated Share of Search within this set. Mailgun is in 2nd place, 38.3 percentage points behind at 21% Share of Search.

Global transactional email platforms, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
Twilio SendGrid62.9% → 59.3%62.9%Oct 202554.6%Jul 20261st
Mailgun22.3% → 21%25.7%Nov 202521%Aug 20262nd
Mailtrap12.6% → 12.1%14%Apr 202611.9%Feb 20263rd
Resend1.6% → 6.6%7.6%Jul 20261.6%Oct 20254th
Postmark0.6% → 0.93%0.93%Aug 20260.6%Oct 20255th

Each finding as a sentence

  • Across the 11 months ending August 2026, Twilio SendGrid’s estimated Share of Search among transactional email platforms worldwide decreased from 62.9% to 59.3%.
  • Across the 11 months ending August 2026, Mailgun’s estimated Share of Search among transactional email platforms worldwide decreased from 22.3% to 21%.
  • Across the 11 months ending August 2026, Mailtrap’s estimated Share of Search among transactional email platforms worldwide decreased from 12.6% to 12.1%.
  • Across the 11 months ending August 2026, Resend’s estimated Share of Search among transactional email platforms worldwide increased from 1.6% to 6.6%.
  • Across the 11 months ending August 2026, Twilio SendGrid’s estimated Share of Search among transactional email platforms worldwide peaked at 62.9% in October 2025 and was lowest at 54.6% in July 2026.
  • Across the 11 months ending August 2026, Mailgun’s estimated Share of Search among transactional email platforms worldwide peaked at 25.7% in November 2025 and was lowest at 21% in August 2026.
  • Across the 11 months ending August 2026, Mailtrap’s estimated Share of Search among transactional email platforms worldwide peaked at 14% in April 2026 and was lowest at 11.9% in February 2026.
  • Across the 11 months ending August 2026, Resend’s estimated Share of Search among transactional email platforms worldwide peaked at 7.6% in July 2026 and was lowest at 1.6% in October 2025.
  • Across the 11 months ending August 2026, Postmark held steady: its estimated Share of Search among transactional email platforms worldwide moved less than 0.5 percentage points.

How did search popularity change for transactional email platforms worldwide in August 2026?

  1. In August 2026, Twilio SendGrid gained estimated Share of Search among transactional email platforms worldwide, from 54.6% to 59.3%.

  2. In August 2026, Mailgun lost estimated Share of Search among transactional email platforms worldwide, from 23.7% to 21%.

  3. In August 2026, Mailtrap lost estimated Share of Search among transactional email platforms worldwide, from 13.5% to 12.1%.

  4. In August 2026, Resend lost estimated Share of Search among transactional email platforms worldwide, from 7.6% to 6.6%.

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