Side-by-side comparison of free tiers, pricing changes, and stability. Catalogue dates here run to 2026-08-23.
Quick Verdict: Resend is a developer-first transactional email API with React Email support. Brevo (formerly Sendinblue) is an all-in-one marketing + transactional platform. Choose Resend for pure transactional email DX; choose Brevo for combined marketing and transactional needs.
300 emails/day, unlimited contacts (fair use policy), marketing automation, segmentation, landing pages. Formerly SendinblueWhen we last read the page we cite for this offer, on 2026-09-21, we found a change we could not reconcile with the terms we publish, so we cannot confirm these terms today.
Developer-first email API — 3K emails/month free (100/day cap), 3 domains, 1K marketing contacts/month, 5 AI credits, 30-day data retention
Key Differences
Free volume: Brevo allows 300 emails/day (~9K/month) with up to 100K contacts. Resend allows 3K emails/month — lower volume but with no daily cap fluctuation.
Scope: Brevo includes marketing automation, landing pages, CRM, and segmentation. Resend is purely transactional email — lean and focused.
Developer experience: Resend integrates with React Email for JSX-based templates, has a minimal API, and feels modern. Brevo's API is more traditional with a larger surface area.
Growth pricing: Brevo's paid plans start at $9/month for 5K emails. Resend starts at $20/month for 50K emails — better per-email economics at scale.
Pricing Change History
Brevo
No recorded pricing changes for Brevo.
Resend
increaseddiscovered 2026-09-05 · effective date unknownmedium impact
The free tier now has a limit of 3,000 emails/month (100/day) and includes 3 domains. Previously 3K emails/month (100/day) and 1 domain. The free tier also includes ticket support, 10,000 automation runs, and 30-day data retention. Source ↗
Our Recommendation
Choose Resend if you're building a developer-focused product, want the cleanest API and React Email integration, or only need transactional email.
Choose Brevo if you need marketing email alongside transactional (newsletters, automation, landing pages) or want the highest free sending volume.
Resend is a developer-first transactional email API with React Email support. Brevo (formerly Sendinblue) is an all-in-one marketing + transactional platform. Choose Resend for pure transactional email DX; choose Brevo for combined marketing and transactional needs.
What is Brevo's free tier?
Brevo offers a Free plan: 300 emails/day, unlimited contacts (fair use policy), marketing automation, segmentation, landing pages. Formerly Sendinblue
What is Resend's free tier?
Resend offers a Free plan: Developer-first email API — 3K emails/month free (100/day cap), 3 domains, 1K marketing contacts/month, 5 AI credits, 30-day data retention
Should I choose Brevo or Resend?
Choose Resend if you're building a developer-focused product, want the cleanest API and React Email integration, or only need transactional email. Choose Brevo if you need marketing email alongside transactional (newsletters, automation, landing pages) or want the highest free sending volume.
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