--- title: "MailerSend vs Resend: Which is searched more?" description: "Is MailerSend 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/compare/mailersend-vs-resend" publisher: "Brandwave" --- # MailerSend vs Resend: Which is searched more? Is MailerSend 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**: MailerSend and Resend - **Competitive set**: Email API platforms - **Market**: Global - **Month measured**: Sep 2026 - **MailerSend Share of Search**: 1.7% - **Resend Share of Search**: 8.8% ## Is MailerSend or Resend more popular in search? - In September 2026, Resend had more branded searches than MailerSend among email API platforms worldwide. Resend had about 50,900 branded searches, while MailerSend had 9,900. Resend made up 8.8% of all email API platform searches we track, and MailerSend accounted for 1.7%. - Resend was ahead of MailerSend in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, MailerSend’s share of searches among email API platforms worldwide moved from 2.1% to 1.7%, and its estimated monthly branded searches moved from 14.8K to 9.9K. - 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. MailerSend did not appear in any of the five answers. 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 MailerSend worldwide fell 33.1% over 12 measured months, from 14.8K to 9.9K in September 2026. ## Month by month | Month | MailerSend estimated searches | MailerSend Share of Search | MailerSend rank | Resend estimated searches | Resend Share of Search | Resend rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 14.8K | 2.1% | 8 | 17K | 2.4% | 7 | | Nov 2025 | 14.8K | 2.3% | 8 | 18.5K | 2.9% | 7 | | Dec 2025 | 12.1K | 2% | 8 | 20.8K | 3.4% | 7 | | Jan 2026 | 14.8K | 2.2% | 8 | 27.7K | 4.2% | 7 | | Feb 2026 | 12.1K | 1.9% | 8 | 31.2K | 4.8% | 7 | | Mar 2026 | 12.1K | 1.6% | 8 | 43.3K | 5.8% | 6 | | Apr 2026 | 12.1K | 1.8% | 8 | 43K | 6.4% | 6 | | May 2026 | 9.9K | 1.6% | 8 | 43.3K | 7% | 6 | | Jun 2026 | 9.9K | 1.6% | 8 | 44.4K | 7% | 6 | | Jul 2026 | 9.9K | 1.7% | 8 | 56.7K | 9.6% | 5 | | Aug 2026 | 9.9K | 1.8% | 8 | 50.9K | 9.2% | 4 | | Sep 2026 | 9.9K | 1.7% | 8 | 50.9K | 8.8% | 5 | ## How each brand is measured Brandwave collects information about searches that people make online using MailerSend’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. - **MailerSend**: Measured on the search term “mailersend”. - **Resend**: Measured on the search terms “resend api”, “resend email”, “resend email api” and “resend transactional email”, summed into one figure. - [MailerSend profile](/demand/global-en/brands/mailersend) - [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 MailerSend or Resend more popular in search? In September 2026, Resend had more branded searches than MailerSend among email API platforms worldwide. Resend had about 50,900 branded searches, while MailerSend had 9,900. Resend made up 8.8% of all email API platform searches we track, and MailerSend accounted for 1.7%. ## Cite this page Brandwave. "MailerSend vs Resend: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/mailersend-vs-resend This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/mailersend-vs-resend. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.