Mermaid diagram rendering
We've published a new blog post: > Author flowcharts and diagrams in Mermaid, and Buttondown renders them in the archives and your emails. Read it here!
Public postmortem: api.buttondown.email inaccessible
We've published a new blog post: > Our public postmortem for the incident on July 23rd, 2026. Read it here!
New API changes for Buttondown
We've exposed a newsletter's custom domain verification on the public API, so you can check DNS setup programmatically instead of only in the web app. Two...
Email ads in the 80s were weird and wonderful lies
We've published a new blog post: > Few could define electronic mail, or how to set it up, but everyone agreed it was awesome. Read it here!
Public postmortem: intermittent issues logging into the app
We've published a new blog post: > Our public postmortem for the incident on July 17th, 2026. Read it here!
How we increased conversion rate by 42% by making one small change to our pricing page
We've published a new blog post: > It's a starting point with a few early guideposts. Read it here!
Ask a nerd: Can I use SVG images in emails?
We've published a new blog post: > Scalable Vector Graphics or Suspiciously Versatile Glyphs? Read it here!
Better drilldown into opens and clicks
We've published a new blog post: > Email analytics drilldowns now nest right in the page — no more slow modals. Read it here!
Reply to comments via email
We've published a new blog post: > Answer a comment notification straight from your inbox, and it lands as a threaded comment. Read it here!
Safer defaults for the email creation API
We've published a new blog post: > A new API version that defaults to draft instead of sending, with a one-time confirmation header for immediate sends. Read...
Passkey support for two-factor authentication
We've published a new blog post: > Use your fingerprint, face, or security key as a second factor when signing in. Read it here!
A spring cleaning for our legal docs
We've published a new blog post: > Updated DPA, privacy policy, sub-processor list, and cookie policy. Read it here!
Rename metadata keys in bulk
We've published a new blog post: > "First name" and "first_name", together at last Read it here!
How James Whatley uses Buttondown to engage with his readers
We've published a new blog post: > James Whatley uses Buttondown to answer questions from his community and share five (or more) interesting facts he's found...
How Clive Thompson uses Buttondown to grow his linkblog's audience
We've published a new blog post: > OG blogger, journalist, and musician Clive Thompson uses Buttondown to share his thoughts and scale his old-school...
Passwordless login
We've published a new blog post: > Skip the password entirely and sign in with just your passkey. Read it here!
Auto-activating RSS reader subscriptions
We've published a new blog post: > RSS reader subscriptions now skip double opt-in for a smoother signup experience. Read it here!
Bookshop.org embeds
We've published a new blog post: > Share book recommendations with rich embeds from Bookshop.org Read it here!
Content Security Policy in archives
We've published a new blog post: > A stricter CSP to make your subscribers' experience safer. Read it here!
Subscription wall
We've published a new blog post: > Gate your archive content behind a subscription — no paid plan required. Read it here!
