Postkit vs SendGrid
The European alternative to SendGrid
SendGrid (Twilio) is a well-known email platform, but its complex personalizations API, US-only hosting, and ECDSA webhook signing add friction. Postkit offers a simpler API surface, EU data residency, and HMAC-SHA256 signing out of the box.
Feature comparison
| Feature | Postkit | SendGrid |
|---|---|---|
| EU data residency | ||
| GDPR-native (DPA included) | Add-on | |
| REST API | ||
| SMTP relay | ||
| Inbound email parsing | ||
| Webhook signing | HMAC-SHA256 | ECDSA |
| Idempotency keys | ||
| Scheduled delivery | ||
| Batch sending | 100 per call | 1,000 personalizations |
| Templates | Handlebars | Dynamic templates |
| Custom domains | ||
| Unified suppressions API | Split endpoints | |
| Flat request body | Nested personalizations | |
| Test/sandbox API keys | ||
| Free tier | 100 emails/mo | 100 emails/day |
Pricing at a glance
Postkit
From €20/mo (EU)
100 emails/mo free. EU-only hosting included.
SendGrid
From $19.95/mo (US)
Pricing varies. Check SendGrid's website for current plans.
Why EU data residency matters
With Postkit, your email data stays exclusively in the European Union (Hetzner Cloud, Vienna and Frankfurt). No US cloud providers, no third-country transfers, no Schrems II headaches. A Data Processing Agreement is included on every plan — including free.
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