Email Delivery / Transactional Email · Vendor file
Resend
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Modern developer-centric email API with clean REST/SDK; popular in JS/Next.js stacks
Active · verified September 2026
Categories Resend serves
The B4 Index places Resend in one category. Each category page lays out the build-versus-buy considerations for that decision.
Email Delivery / Transactional Email Free tier; from ~$20/mo for 50k emails
Resend compared
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methodology.