We detected 108,932 companies using Resend. The most common industry is Software Development (16%) and the most common company size is 2-10 employees (70%). We find new customers by discovering URLs with known URL patterns through web crawling or certificate transparency logs.
Source: Analysis of Linkedin bios of 108,932 companies that use Resend
Company Characteristics
i
Shows how much more likely Resend customers are to have each trait compared to all companies. For example, 2.0x means customers are twice as likely to have that characteristic.
Trait
Likelihood
Industry: Artificial Intelligence
22.2x
Industry: Data Infrastructure and Analytics
10.5x
Industry: Software Development
8.7x
Funding Stage: Pre seed
6.3x
Funding Stage: Angel
3.9x
Country: Nigeria
3.2x
I noticed that Resend's customers are predominantly technology companies building software products that require reliable transactional email at scale. These aren't traditional enterprises buying email tools, they're companies shipping software platforms, marketplaces, SaaS applications, and AI-powered products. They build everything from recruitment platforms and HR systems to commerce tools, developer platforms, and fintech solutions. Many operate B2B models serving other businesses with mission-critical software.
These companies span the growth spectrum but cluster heavily in the scale-up phase. I see Series A through Series C funding rounds dominating, with companies employing anywhere from 50 to 1,000+ people. Some like DoorDash and Shopify are post-IPO giants, while others like Lovable and Factory are well-funded early-stage companies building ambitious products. The funding amounts are substantial, often tens of millions, and many emphasize their growth metrics or customer counts as proof of traction.
๐ง What other technologies do Resend customers also use?
Source: Analysis of tech stacks from 108,932 companies that use Resend
Commonly Paired Technologies
i
Shows how much more likely Resend customers are to use each tool compared to the general population. For example, 287x means customers are 287 times more likely to use that tool.
I noticed that Resend attracts a very specific type of company: modern, developer-first startups building AI-powered products with sophisticated user authentication and aggressive outbound sales motions. These aren't traditional enterprises. They're growth-stage companies that prioritize developer experience and automation across their entire stack.
The pairing with Clerk is particularly telling. When I see Clerk appear 233 times more often, it signals companies that want authentication handled elegantly without building it themselves. Combined with Resend, they're choosing best-in-class developer tools for infrastructure that needs to just work. The HuggingFace correlation reinforces this, showing these companies are building AI features into their products and need reliable email delivery for notifications, summaries, and user engagement around those AI workflows.
The Cold Email Infrastructure correlation is fascinating because it reveals a dual use case. These companies aren't just sending transactional emails. They're running outbound campaigns, likely using Resend's API to programmatically send personalized cold outreach at scale. The presence of Hubspot Sales Hub confirms they have real sales teams working leads, not just product-led growth motions. Github Actions appearing 52 times more often shows they're automating everything, including email workflows directly in their CI/CD pipelines.
Alternatives and Competitors to Resend
Explore vendors that are alternatives in this category
AB InBev
DoorDash
eXp Realty
SEO
Shopify
Dow Jones
M. Dias Branco
Dubai Holding
DKSH
FlyRank AI
ุชูุธูู - ุจุงุญุซ ุนู ุนู
ู
Bausch + Lomb
Cross Country Healthcare
GirlScript Summer of Code
BUT
GE Appliances, a Haier company
CNA+
Fora Travel
Continuum Global Solutions
Health Co.
