The Resend alternative with mature campaigns and automations
Resend has a great developer experience for transactional email. But when you need real campaigns, automations, email validation, or A/B testing — you need a platform that goes beyond sending.
Why teams switch from Resend
Marketing features still early
Resend Broadcasts is still basic — no A/B testing, limited segmentation, no visual editor. Sendkit has full campaign management with scheduling, segmentation, and analytics.
No automations
Resend has no automation workflows. No welcome sequences, no drip campaigns, no event-driven triggers. Sendkit has a complete automation builder.
No email validation
Resend doesn't validate email addresses. Sendkit catches disposable domains, invalid MX records, and bad addresses before they hurt your deliverability.
100 emails/day on free tier
Resend's free tier caps at 100 emails per day. Sendkit gives you 3,000 emails per month with no daily limit.
Sendkit vs Resend
| Feature | Sendkit | Resend |
|---|---|---|
| Transactional API | Yes | Yes |
| SMTP Relay | Yes | Yes |
| Marketing Campaigns | Full-featured | Basic (Broadcasts) |
| Automations | Yes | No |
| Email Validation | Built-in | No |
| Contact Management | Unlimited contacts | Yes (Audiences) |
| MCP Server | 40+ tools (full platform) | Yes (sending focused) |
| Official SDKs | 10 languages | 9 languages |
| Free Tier | 3,000/mo (no daily cap) | 3,000/mo (100/day cap) |
| React Email | No | Yes |
| A/B Testing | Yes | No |
| Campaign Analytics | Yes | Basic |
Pricing comparison
Resend is cheaper for pure transactional. Sendkit costs more but includes full campaigns, automations, and email validation.
| Volume | Sendkit | Resend |
|---|---|---|
| 3,000 emails/mo | Free | Free (100/day limit) |
| 50,000 emails/mo | $45/mo (Transactional) or $80/mo (Marketing) | $20/mo (Pro) — basic marketing only |
| 100,000 emails/mo | $75/mo (Transactional) or $130/mo (Marketing) | $90/mo (Scale) — basic marketing only |
Sendkit is a good fit if you
- Need real campaigns with A/B testing and segmentation
- Need automation workflows (welcome, drip, lifecycle)
- Want email validation built in
- Want a free tier without daily limits
- Need a full-platform MCP server for AI agents
Resend might be better if you
- Only need transactional email
- Build emails with React Email components
- Want the cheapest transactional-only plan
- Use Next.js and want tight framework integration
Start sending in minutes.
3,000 emails/month on the free tier. No credit card, no commitment.