Brandwave

Email API platforms:Which brands are most popular in search?

In August 2026, Twilio SendGrid was the most searched among email API platforms worldwide, with an estimated 209K branded searches and 45.7% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. Twilio SendGrid45.7%
  2. Postmark16.9%
  3. Mailgun16.2%
  4. Resend12.3%
  5. Amazon SES8.9%

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Share of SearchLeaderboard

Compare the APIs used to send transactional email. 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 email API platforms worldwide, by month

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

View monthly share of search table
MonthTwilio SendGridPostmarkMailgunResendAmazon SES
Oct 202558.1%11.9%20.6%3.3%6.2%
Nov 202552.9%13.2%22.9%4.1%6.9%
Dec 202553.3%16.1%19%4.6%6.9%
Jan 202649.6%15.2%21.5%5.8%7.9%
Feb 202649.3%15%21.4%6.5%7.9%
Mar 202653.1%13.2%18.8%8%6.9%
Apr 202648.2%14.6%20.8%8.8%7.6%
May 202650.6%15.3%18%9.5%6.6%
Jun 202650.4%15.2%18%9.9%6.6%
Jul 202643.6%16%18.9%13%8.5%
Aug 202645.7%16.9%16.2%12.3%8.9%
Sep 2026—————

This month’s ranking, August 2026

  1. 1.Twilio SendGrid

    45.7%

    Held 1st. 209K estimated branded searches, 0% vs prior month. Share +2.1 points.

  2. 2.Postmark

    16.9%

    Moved from 3rd to 2nd. 77.3K estimated branded searches, +0.65% vs prior month. Share +0.9 points.

  3. 3.Mailgun

    16.2%

    Moved from 2nd to 3rd. 74.2K estimated branded searches, -18.2% vs prior month. Share -2.7 points.

  4. 4.Resend

    12.3%

    Held 4th. 56.3K estimated branded searches, -9.4% vs prior month. Share -0.7 points.

  5. 5.Amazon SES

    8.9%

    Held 5th. 40.5K estimated branded searches, 0% vs prior month. Share +0.4 points.

Compare search popularity between leading brands

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

In August 2026, Twilio SendGrid was the most searched among email API platforms worldwide, with an estimated 209K branded searches and 45.7% estimated Share of Search within this set. Postmark is in 2nd place, 28.8 percentage points behind at 16.9% Share of Search.

Global email API platforms, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
Twilio SendGrid58.1% → 45.7%58.1%Oct 202543.6%Jul 20261st
Postmark11.9% → 16.9%16.9%Aug 202611.9%Oct 20253rd → 2nd
Mailgun20.6% → 16.2%22.9%Nov 202516.2%Aug 20262nd → 3rd
Resend3.3% → 12.3%13%Jul 20263.3%Oct 20255th → 4th
Amazon SES6.2% → 8.9%8.9%Aug 20266.2%Oct 20254th → 5th

Each finding as a sentence

  • Across the 11 months ending August 2026, Twilio SendGrid’s estimated Share of Search among email API platforms worldwide decreased from 58.1% to 45.7%.
  • Across the 11 months ending August 2026, Postmark’s estimated Share of Search among email API platforms worldwide increased from 11.9% to 16.9%.
  • Across the 11 months ending August 2026, Mailgun’s estimated Share of Search among email API platforms worldwide decreased from 20.6% to 16.2%.
  • Across the 11 months ending August 2026, Resend’s estimated Share of Search among email API platforms worldwide increased from 3.3% to 12.3%.
  • Across the 11 months ending August 2026, Amazon SES’s estimated Share of Search among email API platforms worldwide increased from 6.2% to 8.9%.
  • Across the 11 months ending August 2026, Twilio SendGrid’s estimated Share of Search among email API platforms worldwide peaked at 58.1% in October 2025 and was lowest at 43.6% in July 2026.
  • Across the 11 months ending August 2026, Mailgun’s estimated Share of Search among email API platforms worldwide peaked at 22.9% in November 2025 and was lowest at 16.2% in August 2026.
  • Across the 11 months ending August 2026, Resend’s estimated Share of Search among email API platforms worldwide peaked at 13% in July 2026 and was lowest at 3.3% in October 2025.
  • Across the 11 months ending August 2026, Postmark rose from 3rd to 2nd among email API platforms worldwide.
  • Across the 11 months ending August 2026, Mailgun fell from 2nd to 3rd among email API platforms worldwide.
  • Across the 11 months ending August 2026, Resend rose from 5th to 4th among email API platforms worldwide.
  • Across the 11 months ending August 2026, Amazon SES fell from 4th to 5th among email API platforms worldwide.

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

  1. In August 2026, Postmark overtook Mailgun to rank 2nd among email API platforms worldwide, at 16.9%.

  2. In August 2026, Twilio SendGrid gained estimated Share of Search among email API platforms worldwide, from 43.6% to 45.7%.

  3. In August 2026, Mailgun lost estimated Share of Search among email API platforms worldwide, from 18.9% to 16.2%.

  4. In August 2026, Resend lost estimated Share of Search among email API platforms worldwide, from 13% to 12.3%.

  5. Estimated monthly branded searches for Amazon SES worldwide rose 22.4% over 11 measured months, from 33.1K to 40.5K in August 2026.

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