PostStack
EU-hosted email API for transactional and marketing email, with contacts, broadcasts, and analytics
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- No
- Category
- Data source
- public-apis
- Documentation / URL
- https://poststack.dev/docs
Overview
PostStack provides EU-hosted email — key-based.
⚠️ Status (verified 2026-08): a guessed path returned HTTP 404 — the route paths differ. Check the docs for valid routes.
What it provides
curl "https://api.poststack.dev/v1/emails?key=YOUR_KEY"Notes
- Transactional/marketing email.
- Route paths per the docs.
FAQ
Is PostStack free? Key-based with a free tier per the docs.
Why 404? Our 2026-08 guess path was wrong (verified) — check the docs.
What does it return? Email data.
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