Simple, transparent pricing
Free plan: 1,000 emails per month. Paid plan: $0.001 per email. Unlimited contacts, no hidden fees.
Free forever
No credit card required
- Transactional emails
- Workflow automation
- Campaign broadcasts
- Custom domains
- Click & open tracking
- Unlimited contacts
- Plunk branding on emails
Pay as you grow
- Everything in Free
- No Plunk branding
- Monthly spend cap
- Unlimited emails
Every feature, every plan.
No feature tiers, no add-ons, no surprises.
Transactional emails
API and SMTP delivery for receipts, password resets, and any event-driven email.
Workflow automation
Build event-triggered sequences with delays, conditions, and branching logic.
Campaign broadcasts
Send newsletters and announcements to your full list or a targeted segment.
Unlimited contacts
Store as many contacts as you need. Growing your list never costs more.
Full API access
REST API with SDKs for Node.js, Python, and more. Comprehensive documentation.
Custom domains
Send from your own domain with DKIM, SPF, and DMARC set up automatically.
Audience segmentation
Dynamic segments built on behavior, attributes, and engagement data.
Analytics & tracking
Opens, clicks, bounces, and unsubscribes. Real data, no guessing.
Open source
AGPL-3.0 licensed. Inspect the code, self-host it, or contribute to it.
Run it on your own infrastructure
Full data ownership, no per-email costs, and GDPR compliance by default. Deploy with Docker Compose in minutes.
Start sending in 5 minutes.
Start free. No credit card required.