Public postmortem: tracked links unavailable
We've published a new blog post: > Our public postmortem for the incident on May 8th, 2026. Read it here!
Notes on your team members
We've published a new blog post: > Leave private notes on the people you've invited to your newsletter. Read it here!
Compulsive curiosity, or, how I built an infinite idea machine
We've published a new blog post: > Most of it is taking notes in the shower and emailing strangers oddball questions, if I'm being honest. Read it here!
Gift details on the subscriber portal
We've published a new blog post: > Gifted subscribers can now see when their gift ends, who sent it, and the note that came with it. Read it here!
Portal link in the archive nav
We've published a new blog post: > Subscribers can now jump straight into the portal from any archive page. Read it here!
First, add no friction: How micropayments lost and subscriptions won
We've published a new blog post: > It's one article, Michael. What could it cost, 10¢? Read it here!
Filter subscribers and automations by source
We've published a new blog post: > Where a subscriber came from is now a first-class filter on audiences and automations. Read it here!
Automations, rebuilt
We've published a new blog post: > One-to-many actions, a dedicated settings page, richer analytics, and previews that let you see how an automation would...
Updates from April
Gate your content behind a (free) subscription Requiring a paid subscription to view your archives was one of Buttondown’s earliest features. Now, you can...
New API changes for Buttondown
The filters on are now symmetric. All three filters accept multiple IDs, and has been renamed to to match the rest of the API. Before After (single) (list)...
What email will look like in the future
We've published a new blog post: > On patching a 1981-era system mid-flight Read it here!
Filter subscribers by bounce date and reason
We've published a new blog post: > Two new filters and columns for keeping tabs on bouncing subscribers — even before they're marked undeliverable. Read it...
New API changes for Buttondown
API request detail records now retain only for requests that included an header. See idempotency keys . This makes the field on nullable when no response...
Three features are moving behind the paywall
We've published a new blog post: > Metadata, transactional emails, and integrations now require a paid plan for new accounts — existing users are...
Firewall changes and improvements
We've published a new blog post: > Attack mode, embedded fingerprinting, and denied user agents — three new ways to keep spam out of your newsletter. Read it...
Email could have been X.400 times better
We've published a new blog post: > X.400 said what must be possible. SMTP said what must be done. Read it here!
Simplified email address settings
We've published a new blog post: > One fewer setting to deal with! (Maybe) Read it here!
Put your name and voice into your company newsletter
We've published a new blog post: > Your newsletter can make your company feel like a local small business. 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!
Inboxes were overwhelming before we'd even named them
We've published a new blog post: > Gather round while an old man yells at cloud (email) Read it here!
