Welcome to Plunk
Open-source email platform for developers
What is Plunk?
Plunk is an open-source email platform designed for developers who need a powerful, scalable solution for transactional and marketing emails. Built with modern technologies and designed to handle millions of contacts, Plunk provides everything you need to manage your email communications.
Key Features
Transactional Emails
Send transactional emails via API with template support and variable substitution
Email Campaigns
Create and send one-time email broadcasts to your contacts with advanced scheduling
Marketing Automation
Build automated email sequences with visual workflow builder and conditional logic
Contact Management
Manage millions of contacts with custom fields and CSV import capabilities
Dynamic Segmentation
Create dynamic audience segments based on contact data and behavior
Event Tracking
Track events and use them to trigger workflows and segment audiences
Email Templates
Create reusable email templates for transactional and marketing emails
Analytics
Track email performance with detailed analytics on opens, clicks, and more
Quick Links
Get Started
Learn how to set up Plunk and send your first email
API Reference
Explore the complete API documentation
Self-Hosting
Deploy Plunk on your own infrastructure
Guides
Step-by-step guides for common use cases
Open Source
Plunk is fully open-source and available on GitHub. Contributions are welcome!
Support
If you need help or have questions:
- Read the documentation
- Check the GitHub repository
- Join our Discord community