Buttondown Documentation
Dashboard
Editor
Subscriber management
Customization
Transactional emails
Archives
Deliverability
Exports
Automations
Events and webhooks
Advanced features
RSS-to-email
Analytics
Legal stuff
Glossary
© 2016–2025 Buttondown LLC.
API stands for "application programming interface". It's a way for software to talk to other software. Buttondown has an API that allows you to programmatically send emails, manage subscribers, and more.