--- title: "Mailtrap vs Resend: Which is searched more?" description: "Is Mailtrap or Resend more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Email API platforms set worldwide. 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/email-api-platforms/compare/mailtrap-vs-resend" publisher: "Brandwave" --- # Mailtrap vs Resend: Which is searched more? Is Mailtrap or Resend more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Email API platforms set worldwide. 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 - **Compared**: Mailtrap and Resend - **Competitive set**: Email API platforms - **Market**: Global - **Month measured**: Sep 2026 - **Mailtrap Share of Search**: 7.1% - **Resend Share of Search**: 8.8% ## Is Mailtrap or Resend more popular in search? - In September 2026, Resend had more branded searches than Mailtrap among email API platforms worldwide. Resend had about 50,900 branded searches, while Mailtrap had 40,800. Resend made up 8.8% of all email API platform searches we track, and Mailtrap accounted for 7.1%. - The lead changed hands once in the 12 months ending September 2026: Resend took it in July 2026. - Across the 12 months ending September 2026, Mailtrap’s share of searches among email API platforms worldwide moved from 8.4% to 7.1%, and its estimated monthly branded searches moved from 60.6K to 40.8K. - Across the 12 months ending September 2026, Resend’s share of searches among email API platforms worldwide moved from 2.4% to 8.8%, and its estimated monthly branded searches moved from 17K to 50.9K. ## Top email API platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Resend was mentioned in four out of five: in all three ChatGPT answers and in one of the 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. Resend was listed before Mailtrap in every answer that named either. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Postmark | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Resend | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | Amazon SES | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | Mailgun | 4th | 2 of 3 | 2 of 2 | 4 of 5 | | Twilio SendGrid | 5th | 3 of 3 | 0 of 2 | 3 of 5 | | Mailtrap | 6th | 0 of 3 | 1 of 2 | 1 of 5 | | Mailjet | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | MailerSend | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about email API platforms - Asked ChatGPT "Which email API platform should I use?": 1. Resend, 2. Postmark, 3. Amazon SES, 4. Twilio SendGrid - Asked ChatGPT "What are the best email API platforms?": 1. Resend, 2. Postmark, 3. Twilio SendGrid, 4. Mailgun, 5. Amazon SES - Asked ChatGPT "What's the best email API platform for transactional email?": 1. Resend, 2. Postmark, 3. Amazon SES, 4. Mailgun, 5. Twilio SendGrid - Searched Google, AI Overview "best email api": 1. Resend, 2. Postmark, 3. Mailtrap, 4. Amazon SES, 5. Mailgun - Searched Google, AI Overview "transactional email api": 1. Postmark, 2. Mailgun Not named in any answer: Mailjet and MailerSend. Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How did search popularity change for email API platforms worldwide in September 2026? - In September 2026, Mailjet overtook Resend to rank 4th among email API platforms worldwide, with 12.8% of the searches. - 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 Mailtrap worldwide fell 32.7% over 12 measured months, from 60.6K to 40.8K in September 2026. ## Month by month | Month | Mailtrap estimated searches | Mailtrap Share of Search | Mailtrap rank | Resend estimated searches | Resend Share of Search | Resend rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 60.6K | 8.4% | 5 | 17K | 2.4% | 7 | | Nov 2025 | 49.6K | 7.8% | 5 | 18.5K | 2.9% | 7 | | Dec 2025 | 49.6K | 8.1% | 5 | 20.8K | 3.4% | 7 | | Jan 2026 | 49.6K | 7.5% | 5 | 27.7K | 4.2% | 7 | | Feb 2026 | 49.7K | 7.7% | 5 | 31.2K | 4.8% | 7 | | Mar 2026 | 60.7K | 8.1% | 5 | 43.3K | 5.8% | 6 | | Apr 2026 | 60.7K | 9% | 5 | 43K | 6.4% | 6 | | May 2026 | 49.8K | 8% | 5 | 43.3K | 7% | 6 | | Jun 2026 | 49.8K | 7.9% | 5 | 44.4K | 7% | 6 | | Jul 2026 | 49.8K | 8.4% | 6 | 56.7K | 9.6% | 5 | | Aug 2026 | 40.8K | 7.4% | 6 | 50.9K | 9.2% | 4 | | Sep 2026 | 40.8K | 7.1% | 6 | 50.9K | 8.8% | 5 | ## How each brand is measured Brandwave collects information about searches that people make online using Mailtrap’s and Resend’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading. - **Mailtrap**: Measured on the search terms “mailtrap” and “mailtrap email sandbox”, summed into one figure. - **Resend**: Measured on the search terms “resend api”, “resend email”, “resend email api” and “resend transactional email”, summed into one figure. - [Mailtrap profile](/demand/global-en/brands/mailtrap) - [Resend profile](/demand/global-en/brands/resend) - [All email API platforms worldwide](/demand/global-en/categories/email-api-platforms): The set both shares are measured inside, 8 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Mailtrap or Resend more popular in search? In September 2026, Resend had more branded searches than Mailtrap among email API platforms worldwide. Resend had about 50,900 branded searches, while Mailtrap had 40,800. Resend made up 8.8% of all email API platform searches we track, and Mailtrap accounted for 7.1%. ## Cite this page Brandwave. "Mailtrap vs Resend: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/email-api-platforms/compare/mailtrap-vs-resend This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/email-api-platforms/compare/mailtrap-vs-resend. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.