Plunk
The facts below are what the maker publishes about Plunk, checked and dated. Our editors have not written about it yet.
Plans and prices
From Plunk's own pricing page, checked 23 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | 1,000 emails per month |
| Free forever | Free | 1,000 emails / mo · unlimited contacts · Plunk branding on emails |
| Pay as you grow | Free | Unlimited emails · unlimited contacts · no Plunk branding · monthly spend cap · per email |
The facts
Each one read from Plunk's own pages, with the date it was checked.
What it does
- Campaigns and analytics
- Campaigns can target a full list or segment, with tracking for opens, clicks, bounces, and unsubscribes.checked 8 Oct 2026
- Compliance scope
- The DPA applies to Plunk's hosted service and says self-hosted deployments are not covered by it.checked 8 Oct 2026
- Data residency
- The DPA states that primary data storage is in the EU/EEA on Hetzner infrastructure, while email delivery may transit non-EU regions through AWS SES.checked 8 Oct 2026
- Data security
- The DPA describes HTTPS-only API access using TLS 1.2+, encrypted database connections, limited-expiry authentication tokens, rate limiting, and project-level data isolation.checked 8 Oct 2026
- Inbound email
- One MX record enables inbound email at the domain, with parsed message content delivered to an endpoint as JSON and inbound messages able to trigger workflows.checked 8 Oct 2026
- Integrations
- Plunk offers a REST API, SDKs including Node.js and Python, SMTP support, webhooks, and an MCP server that works with MCP clients such as Claude Code, Claude Desktop, and Cursor.checked 8 Oct 2026
- Notable limit
- Rendered email bodies are deleted after 90 days, while stats and activity are kept.checked 8 Oct 2026
- Product
- Plunk is an open-source email platform for transactional email, marketing campaigns, and automated workflows against one contact list.checked 8 Oct 2026
- Self-hosting
- The AGPL-3.0 licensed platform can be deployed on the customer's infrastructure using Docker Compose.checked 8 Oct 2026
- Support
- The maker invites customer feedback and lists a Discord community on its site.checked 8 Oct 2026
- Transactional email
- It supports API and SMTP delivery for receipts, password resets, and other event-driven email.checked 8 Oct 2026
- Who it is for
- The maker describes Plunk as an independent SaaS run by a person, and its editor page describes use by developers, marketers, and teams sharing templates.checked 8 Oct 2026
- Workflows
- Workflows start from product events and can include delays, conditions, branches, email steps, and outbound webhooks.checked 8 Oct 2026
Money
- Free plan
- Yeschecked 23 Sep 2026
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