Platform Comparison

Resend vs Postmark

Comparing Resend and Postmark for transactional email. Modern DX vs proven deliverability, which developer email platform is right for you?

Resend and Postmark both target developers with transactional email, but from different angles. Resend prioritizes modern developer experience with React Email. Postmark prioritizes deliverability and speed. Here's how they compare.

Quick Comparison

FeatureResendPostmark
Pricing Modelvolume-basedvolume-based
Starting Price$20/mo$15/mo
Free Tier3,000100
Transactional Email
Marketing Email
Automated Warmup

Developer Experience

Resend wins

Resend is built for modern devs:

  • ●React Email for JSX components
  • ●Excellent TypeScript support
  • ●Beautiful API design
  • ●Fast time-to-first-email
  • ●Modern, clean dashboard

Postmark is clean but traditional:

  • ●Good API documentation
  • ●Mustache templates
  • ●Solid client libraries
  • ●Straightforward setup
  • ●Functional dashboard

Winner: Resend

If you're building with React and want component-based emails, Resend's DX is hard to beat. Postmark is good but less modern.

Deliverability

Postmark wins

Postmark is legendary for deliverability:

  • ●Strict transactional-only policy
  • ●10+ years of reputation building
  • ●Industry-leading delivery speed
  • ●Transparent infrastructure
  • ●Actively protects their IP pools

Resend is proving itself:

  • ●Good deliverability reported
  • ●Newer, less track record
  • ●Shared infrastructure
  • ●Growing reputation

Winner: Postmark

Postmark's decade of focus on deliverability gives them an edge. Resend is good but hasn't proven itself at the same scale or timeframe.

Pricing

Resend wins

Resend pricing:

  • ●Free: 3,000 emails/month
  • ●Pro: $20/month for 50K
  • ●Scales reasonably
  • ●Log retention varies by plan

Postmark pricing:

  • ●No free tier (100 test emails only)
  • ●10K emails: $15/month
  • ●100K emails: $115/month
  • ●Higher per-email cost

Winner: Resend

Resend's free tier is generous, and pricing at scale is more competitive. Postmark charges premium for their deliverability reputation.

Features

Tie

Resend features:

  • ●Transactional and marketing email
  • ●React Email integration
  • ●Inbound email processing
  • ●API and SMTP relay
  • ●Basic analytics

Postmark features:

  • ●Transactional email
  • ●Message Streams (marketing)
  • ●Inbound email processing
  • ●SMTP support
  • ●Better analytics
  • ●Templates system

Winner: Tie

Both now offer similar feature sets. Postmark has better analytics; Resend has better React integration. Neither offers warmup automation.

Company & Support

Postmark wins

Resend is a funded startup:

  • ●VC-backed growth stage
  • ●Small but responsive team
  • ●Active development
  • ●Some startup risk

Postmark is established:

  • ●Part of ActiveCampaign
  • ●Profitable, stable business
  • ●24/7 support available
  • ●Proven longevity

Winner: Postmark

For mission-critical email, Postmark's stability and support matter. Resend is impressive but younger and smaller.

The Verdict

Choose Resend if developer experience is paramount, you're building with React, and you want modern tooling with reasonable pricing. Accept the trade-off of shared infrastructure.

Choose Postmark if deliverability and reliability are non-negotiable and you're willing to pay premium pricing for proven infrastructure.

Consider alternatives if you want the best of both: modern DX with reputation isolation, plus features like warmup automation that neither offers.

Consider Transmit

Why choose between Resend's modern DX and Postmark's deliverability? Transmit offers a clean, **Edge-Native** API with **Multi-tenant Reputation Isolation** for deliverability. Plus automated warmup with auto-pause on high bounce rates, SMTP support, and both transactional and marketing email unified, at volume-based pricing that won't break the bank.

Compare with Transmit

Transmit vs Resend Transmit vs Postmark

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Frequently Asked Questions

How do Resend and Postmark compare on Developer Experience?
**Resend** is built for modern devs: - React Email for JSX components - Excellent TypeScript support - Beautiful API design - Fast time-to-first-email - Modern, clean dashboard **Postmark** is clean but traditional: - Good API documentation - Mustache templates - Solid client libraries - Straightforward setup - Functional dashboard **Winner: Resend** If you're building with React and want component-based emails, Resend's DX is hard to beat. Postmark is good but less modern.
How do Resend and Postmark compare on Deliverability?
**Postmark** is legendary for deliverability: - Strict transactional-only policy - 10+ years of reputation building - Industry-leading delivery speed - Transparent infrastructure - Actively protects their IP pools **Resend** is proving itself: - Good deliverability reported - Newer, less track record - Shared infrastructure - Growing reputation **Winner: Postmark** Postmark's decade of focus on deliverability gives them an edge. Resend is good but hasn't proven itself at the same scale or timeframe.
How do Resend and Postmark compare on Pricing?
**Resend** pricing: - Free: 3,000 emails/month - Pro: $20/month for 50K - Scales reasonably - Log retention varies by plan **Postmark** pricing: - No free tier (100 test emails only) - 10K emails: $15/month - 100K emails: $115/month - Higher per-email cost **Winner: Resend** Resend's free tier is generous, and pricing at scale is more competitive. Postmark charges premium for their deliverability reputation.
How do Resend and Postmark compare on Features?
**Resend** features: - Transactional and marketing email - React Email integration - Inbound email processing - API and SMTP relay - Basic analytics **Postmark** features: - Transactional email - Message Streams (marketing) - Inbound email processing - SMTP support - Better analytics - Templates system **Winner: Tie** Both now offer similar feature sets. Postmark has better analytics; Resend has better React integration. Neither offers warmup automation.
How do Resend and Postmark compare on Company & Support?
**Resend** is a funded startup: - VC-backed growth stage - Small but responsive team - Active development - Some startup risk **Postmark** is established: - Part of ActiveCampaign - Profitable, stable business - 24/7 support available - Proven longevity **Winner: Postmark** For mission-critical email, Postmark's stability and support matter. Resend is impressive but younger and smaller.
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