Listmonk

ListMonk is a self-hosted, high-performance mailing list and newsletter manager that enables organizations to manage subscribers, create campaigns, and send transactional emails. As a standalone binary with only PostgreSQL as a dependency, it provides a lightweight yet feature-rich email infrastructure for building and maintaining subscriber relationships.

AI agents can leverage ListMonk's comprehensive API to automate subscriber management, send targeted campaigns, manage lists, and execute transactional email workflows. This enables intelligent subscriber segmentation, campaign automation, and data-driven email communication at scale.

Capabilities

• Subscriber Management: Create, update, and retrieve subscriber profiles with custom attributes
• List Management: Organize subscribers into lists, manage subscriptions and unsubscribe workflows
• Campaign Creation: Design and launch email campaigns with multiple content formats (HTML, markdown, plaintext)
• Campaign Analytics: Track campaign performance with views, clicks, bounces, and engagement metrics
• Transactional Emails: Send automated transactional messages using pre-defined templates
• Template Variables: Support subscriber-specific variable interpolation in campaigns and messages
• Bulk Operations: Apply changes to multiple subscribers efficiently using SQL expressions
• Bounce Management: Track and manage bounce records for list hygiene
• Public Subscriptions: Accept subscriber registrations via public endpoints
• Messenger Support: Send via email, SMS, WhatsApp, or custom messengers

Resources

• Official ListMonk Documentation
• Subscriber API Reference
• Campaign API Reference
• Transactional Messages API
• Lists API Reference
• GitHub Repository