Blog
Buttondown's engineers, writers, and biggest fans write about the whole thing: engineering challenges, useful tips and tricks, new features, and more.
- August 14, 2026Confirmation emails when re-adding an unsubscribed subscriber
- August 8, 2026Segments on the API
- August 6, 2026Clearer collision behavior when recreating subscribers
- July 24, 2026Tag gating, and domain verification on the API
- June 23, 2026The events API now reads from one event store
- June 5, 2026Errors that tell you how to fix them
- May 4, 2026Symmetric filters on survey responses
- April 22, 2026Response bodies are kept only for idempotent requests
- March 7, 2026Safer defaults for the email creation API
- February 26, 2026Automation timing moves inside each action
February 20, 2026More newsletter settings in the API- February 3, 2026Public descriptions for tags
January 24, 2026Granular API keys- January 1, 2026TypeIDs are now the default identifier format
- October 6, 2025Newsletter QR code
- September 27, 2025UTM via forms
- August 22, 2025Better API errors
- August 20, 2025A new home screen
- July 28, 2025Removed deprecated subscriber types
- July 4, 2025Filter subscribers by domain
- June 1, 2025/v1/emails no longer filters by status for you
- May 30, 2025Attachments on the API
- May 28, 2025CLI
- May 23, 2025SimpleAnalytics integration
Buttondown is the last email platform you’ll switch to.