PostStack vs. Resend, SendGrid, and Postmark
The same features at a lower price, with European data residency the US providers can't offer.
Pricing by Volume
| Volume | PostStack | Resend | SendGrid | Postmark |
|---|---|---|---|---|
| 3,000/mo | €0 | $0 | $0* | $15 |
| 10,000/mo | €5 | $20 | $19.95* | $15 |
| 50,000/mo | €15 | $20 | $19.95 | $50 |
| 100,000/mo | €65 | $90 | $89.95 | $100 |
| 500,000/mo | €325 | $450 | $449 | $475 |
| 1,000,000/mo | €650 | $900 | $899 | $900 |
* SendGrid free tier limited to 100 emails/day. Check each provider's website for the latest pricing.
Feature Comparison
| Feature | PostStack | Resend | SendGrid | Postmark |
|---|---|---|---|---|
| REST API | ||||
| TypeScript SDK | Partial | |||
| Open/Click Tracking | ||||
| Webhooks | ||||
| Templates | ||||
| Broadcasts | ||||
| Contact Segmentation | ||||
| SMTP Relay | ||||
| MCP Server | ||||
| Inbound Email | ||||
| Mailboxes & Webmail | ||||
| EU Data Residency | Pro+ (limited) | Optional | ||
| Dedicated IP | Add-on €25/mo | Enterprise | Pro+ | Add-on |