--- title: "Transactional email platforms: Which brands are most popular in search?" description: "Compare email delivery services for application messages and customer notifications. Share of Search among Twilio SendGrid, Mailgun, Mailtrap, Resend and Postmark, the transactional email platforms Brandwave compares worldwide, using the same methodology, market, and reporting period. 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." canonical: "https://gobrandwave.com/demand/global-en/categories/transactional-email-platforms" publisher: "Brandwave" --- # Transactional email platforms: Which brands are most popular in search? Compare email delivery services for application messages and customer notifications. Share of Search among Twilio SendGrid, Mailgun, Mailtrap, Resend and Postmark, the transactional email platforms Brandwave compares worldwide, using the same methodology, market, and reporting period. 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. ## Key facts - **Competitive set**: Transactional email platforms - **Market**: Global - **Brands compared**: 5 - **Month measured**: Aug 2026 - **Highest Share of Search**: Twilio SendGrid, 59.3% ## 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. - 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. ## Compare search popularity between leading brands - [Twilio SendGrid vs Mailgun: compare search popularity](/demand/global-en/compare/mailgun-vs-sendgrid): 59.3% against 21% Share of Search. - [Twilio SendGrid vs Mailtrap: compare search popularity](/demand/global-en/compare/mailtrap-vs-sendgrid): 59.3% against 12.1% Share of Search. - [Twilio SendGrid vs Resend: compare search popularity](/demand/global-en/compare/resend-vs-sendgrid): 59.3% against 6.6% Share of Search. - [Mailgun vs Mailtrap: compare search popularity](/demand/global-en/compare/mailgun-vs-mailtrap): 21% against 12.1% Share of Search. - [Mailgun vs Resend: compare search popularity](/demand/global-en/compare/mailgun-vs-resend): 21% against 6.6% Share of Search. - [Mailtrap vs Resend: compare search popularity](/demand/global-en/compare/mailtrap-vs-resend): 12.1% against 6.6% Share of Search. ## How did search popularity change for transactional email platforms worldwide in August 2026? - In August 2026, Twilio SendGrid gained estimated Share of Search among transactional email platforms worldwide, from 54.6% to 59.3%. - In August 2026, Mailgun lost estimated Share of Search among transactional email platforms worldwide, from 23.7% to 21%. - In August 2026, Mailtrap lost estimated Share of Search among transactional email platforms worldwide, from 13.5% to 12.1%. - In August 2026, Resend lost estimated Share of Search among transactional email platforms worldwide, from 7.6% to 6.6%. ## Share of Search ranking | Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by | | --- | --- | --- | --- | --- | --- | | 1 | Twilio SendGrid | 59.3% | 209K | 0.0% | Twilio | | 2 | Mailgun | 21% | 74.2K | -18.2% | Mailgun | | 3 | Mailtrap | 12.1% | 42.7K | -17.5% | Mailtrap | | 4 | Resend | 6.6% | 23.2K | -20.1% | Resend | | 5 | Postmark | 0.93% | 3.3K | +18.0% | ActiveCampaign | ## Historical estimated branded-search demand | Month | Brand | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Twilio SendGrid | 311K | 62.9% | 1 | | Oct 2025 | Mailgun | 110K | 22.3% | 2 | | Oct 2025 | Mailtrap | 62.4K | 12.6% | 3 | | Oct 2025 | Resend | 7.9K | 1.6% | 4 | | Oct 2025 | Postmark | 3K | 0.6% | 5 | | Nov 2025 | Twilio SendGrid | 254K | 59.3% | 1 | | Nov 2025 | Mailgun | 110K | 25.7% | 2 | | Nov 2025 | Mailtrap | 51.5K | 12% | 3 | | Nov 2025 | Resend | 9.6K | 2.2% | 4 | | Nov 2025 | Postmark | 3K | 0.7% | 5 | | Dec 2025 | Twilio SendGrid | 254K | 62.1% | 1 | | Dec 2025 | Mailgun | 90.6K | 22.2% | 2 | | Dec 2025 | Mailtrap | 51.5K | 12.6% | 3 | | Dec 2025 | Resend | 10K | 2.5% | 4 | | Dec 2025 | Postmark | 2.6K | 0.64% | 5 | | Jan 2026 | Twilio SendGrid | 254K | 58.5% | 1 | | Jan 2026 | Mailgun | 110K | 25.4% | 2 | | Jan 2026 | Mailtrap | 51.9K | 11.9% | 3 | | Jan 2026 | Resend | 14.8K | 3.4% | 4 | | Jan 2026 | Postmark | 3.6K | 0.83% | 5 | | Feb 2026 | Twilio SendGrid | 254K | 58.4% | 1 | | Feb 2026 | Mailgun | 110K | 25.3% | 2 | | Feb 2026 | Mailtrap | 51.7K | 11.9% | 3 | | Feb 2026 | Resend | 15.5K | 3.6% | 4 | | Feb 2026 | Postmark | 3.3K | 0.75% | 5 | | Mar 2026 | Twilio SendGrid | 311K | 61.3% | 1 | | Mar 2026 | Mailgun | 110K | 21.7% | 2 | | Mar 2026 | Mailtrap | 62.9K | 12.4% | 3 | | Mar 2026 | Resend | 19.8K | 3.9% | 4 | | Mar 2026 | Postmark | 3.3K | 0.65% | 5 | | Apr 2026 | Twilio SendGrid | 256K | 56.6% | 1 | | Apr 2026 | Mailgun | 110K | 24.4% | 2 | | Apr 2026 | Mailtrap | 63K | 14% | 3 | | Apr 2026 | Resend | 19.5K | 4.3% | 4 | | Apr 2026 | Postmark | 3.3K | 0.73% | 5 | | May 2026 | Twilio SendGrid | 254K | 60.5% | 1 | | May 2026 | Mailgun | 90.7K | 21.6% | 2 | | May 2026 | Mailtrap | 52K | 12.4% | 3 | | May 2026 | Resend | 20.6K | 4.9% | 4 | | May 2026 | Postmark | 2.8K | 0.66% | 5 | | Jun 2026 | Twilio SendGrid | 254K | 60.2% | 1 | | Jun 2026 | Mailgun | 90.7K | 21.5% | 2 | | Jun 2026 | Mailtrap | 51.8K | 12.3% | 3 | | Jun 2026 | Resend | 22.7K | 5.4% | 4 | | Jun 2026 | Postmark | 2.8K | 0.66% | 5 | | Jul 2026 | Twilio SendGrid | 209K | 54.6% | 1 | | Jul 2026 | Mailgun | 90.7K | 23.7% | 2 | | Jul 2026 | Mailtrap | 51.7K | 13.5% | 3 | | Jul 2026 | Resend | 29K | 7.6% | 4 | | Jul 2026 | Postmark | 2.8K | 0.73% | 5 | | Aug 2026 | Twilio SendGrid | 209K | 59.3% | 1 | | Aug 2026 | Mailgun | 74.2K | 21% | 2 | | Aug 2026 | Mailtrap | 42.7K | 12.1% | 3 | | Aug 2026 | Resend | 23.2K | 6.6% | 4 | | Aug 2026 | Postmark | 3.3K | 0.93% | 5 | | Sep 2026 | Mailgun | — | — | — | | Sep 2026 | Mailtrap | — | — | — | | Sep 2026 | Postmark | — | — | — | | Sep 2026 | Resend | — | — | — | | Sep 2026 | Twilio SendGrid | — | — | — | ## What is being compared - **Mailgun**: Measured on the search terms “mailgun” and “mailgun email”, summed into one figure. - **Mailtrap**: Measured on the search terms “mailtrap”, “mailtrap email”, “mailtrap email sandbox”, “mailtrap email testing” and “mailtrap io”, summed into one figure. - **Postmark**: Measured on the search terms “postmark email” and “postmarkapp”, summed into one figure. - **Resend**: Measured on the search terms “resend api”, “resend email api”, “resend transactional email” and “resend.com”, summed into one figure. - **Twilio SendGrid**: Measured on the search terms “sendgrid” and “twilio sendgrid”, summed into one figure. - [Mailgun](/demand/global-en/brands/mailgun) - [Mailtrap](/demand/global-en/brands/mailtrap) - [Postmark](/demand/global-en/brands/postmark) - [Resend](/demand/global-en/brands/resend) - [Twilio SendGrid](/demand/global-en/brands/sendgrid) ## Methodology - [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### 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. Worldwide · English terms: these are worldwide searches for English-language branded terms. ## Cite this page Brandwave. "Transactional email platforms: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/transactional-email-platforms This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/transactional-email-platforms. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.