About
Resend offers an email API designed for developers to send transactional and marketing emails at scale. Its platform provides SDKs for various programming languages and a simple interface for quick integration, aiming to ensure emails reach recipients instead of spam folders. Resend serves companies looking for reliable and efficient email delivery. Teams look it up for Developer Tools, API Platform, Email API.
Frequently asked
What does Resend do?
Resend is a Developer Tools company that offers Platform. Teams look it up for API Platform, Email API, MarTech. It is based in San Francisco, United States and was founded in 2022. Public records show about 72 people and $21M raised. Compare it on funding, headcount, reviews and nearby alternatives rather than the marketing line alone.
How much funding has Resend raised?
Resend has raised a total of $21M in funding. The most recent round on record is Series A.
Where is Resend headquartered?
Resend is headquartered in San Francisco, United States.
When was Resend founded?
Resend was founded in 2022.
What industry does Resend operate in?
Resend operates in Developer Tools, API Platform, Email API, MarTech, Transactional Email.
How many employees does Resend have?
Resend has approximately 72 people on record.
SendGrid
Resend and SendGrid both offer email APIs for transactional and marketing emails, with Resend focusing on a modern developer experience and SendGrid providing a more mature, enterprise-scale platform with broader features.
Amazon SES
Resend and Amazon SES both offer email sending infrastructure, but Resend provides a developer-friendly API and dashboard on top of managed cloud infrastructure, whereas Amazon SES is a bare-bones service focused on raw sending costs, requi
Open-source monetization platforms
Polar, an open-source monetization platform for developers, uses Resend to power its newsletters, indicating a need for reliable email delivery for developer-focused communication.
AI analytics tools
Airbook AI, which provides an AI Cursor for Analytics, migrated to Resend for its email infrastructure, highlighting a need for easy setup and reliable email delivery for product updates and notifications.
Productivity and email client tools
Inbox Zero, an open-source tool for cleaning up inboxes, utilizes Resend for transactional email campaigns, demonstrating a need for a simple and clean API for automated email sending.
AI email marketing platforms
Migma AI, which generates AI-powered emails, integrated directly with Resend for reliable delivery and tracking, indicating a need for a robust email API to send AI-generated marketing and transactional emails.
Confirmed customer relationships for Resend. Speculative buyer-fit guesses are not shown.
Strength of the site’s backlink profile, on Ahrefs’ 0-100 Domain Rating scale. Licensed third-party data, not our opinion.
How well an AI agent can read and use this site: structured data, clean markup, and whether key facts are reachable without running JavaScript. We scan the live site.

