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 | Free | Trial only | 100/mo free |
| 10,000 / mo | €5 | ~$20 | ~$19.95 | ~$15 |
| 50,000 / mo | €15 | ~$20 | ~$19.95 | ~$66 |
| 100,000 / mo | €30 | ~$35 | ~$34.95 | ~$126 |
| 500,000 / mo | €130 | ~$350 | ~$499 | ~$606 |
| 1,000,000 / mo | €255 | ~$650 | ~$799 | ~$1,206 |
Competitor prices are public list prices (USD) verified September 2026; PostStack prices are in EUR. Figures are approximate after currency conversion — check each provider's pricing page for current rates.
Feature comparison
| Feature | PostStack | Resend | SendGrid | Postmark |
|---|---|---|---|---|
| REST API | ||||
| TypeScript SDK | Partial | |||
| Open/Click Tracking | ||||
| Webhooks | ||||
| Templates | ||||
| Broadcasts | ||||
| Contact Segmentation | ||||
| SMTP Relay | ||||
| MCP Server | 100+ tools | |||
| Inbound Email | ||||
| Mailboxes & Webmail | Add-on €1/mo | |||
| EU Data Residency | EU sending region (data in US) | Pro+ (limited) | ||
| Dedicated IP | Add-on €25/mo | Add-on $30/mo (Scale) | Pro+ | Add-on |