Archive • Buttondown • Buttondown

Email's fingerprints are everywhere you look

We've published a new blog post: > Open any app on your phone and count the buttons, features, and formatting it inherited from the OG communications app....

That's right, even more filtering options

I know, I know. You're sick of all of these filtering options. It was not part of a plan to barrage the changelog with these, so much as a happy and...

Filter subscribers by source

Hot off the heels of last week's addition of domain-based filtering, you can now filter your subscribers by how they joined your newsletter, including such...

Creating newsletter webhooks for fun and profit

We've published a new blog post: > You don't need to have any experience with coding or HTML, or pay for automation platforms, to move data between apps....

New API changes for Buttondown

We've added a new source parameter to the /v1/subscribers endpoint that allows you to filter subscribers by their origin source. What's new You can now...

Filter subscribers by domain

The physicists who convinced Fermilab to send Brazil's emails

We've published a new blog post: > Neither the first nor the fastest international connection, it was the one that lasted. Read it here!

Updates from June

Make all the mistakes you want in Test mode Everyone sends an errant email eventually. Even engineers of email software (it’s Justin, hi). Well now those...

New API changes for Buttondown

We've added a product field to the StripeSubscription schema. This field is the name of the product which the subscriber is subscribed to. (You can override...

What you need to know about Orange's new email protections

We've published a new blog post: > Orange has updated its sending requirements. Here is what you need to know to avoid having your emails flagged as spam....

Dedicated archive settings page

Gmail's shortcuts come from a 1976 keyboard layout

We've published a new blog post: > Keyboard-only email is just as relevant as it was when computers didn't even have mice. Read it here!

Skip old RSS items when setting up feeds

Referrals in the Portal

Subscribers can change their email address

How email tracking works behind the scenes

We've published a new blog post: > A brief history of email tracking pixels, how they work, and how to turn them off. Read it here!

Announcing django-rq-cron

We've published a new blog post: > A Django app for running cron jobs with RQ Read it here!

Featured emails

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We've published a new blog post: > Sometimes, the only correct response to a feature request is to build an entirely different thing. Read it here!

It's [always] a great time to build an email course

We've published a new blog post: > Turn your unique insights into timely lessons that subscribers invite into their inboxes. Read it here!

Safer bulk actions

The legendary email client power users wouldn't let die

We've published a new blog post: > Anyone who sells anything on the internet could take a page out of Steve Dorner's Eudora playbook. Read it here!

Updates from May

Buttondown, but in your own language Cześć! Goedemorgen! Bom dia! Buttondown finally has localization! We have a lot of non-English-speaking users and, after...

The non-scientific, non-scammy way to grow your newsletter

We've published a new blog post: > There are no shortcuts to growth, but there are strategies to steadily grow Read it here!

You should have a can-do attitude about CAN-SPAM

We've published a new blog post: > Newsletter platforms take care of most of the law's requirements for you (and the ones they don't require barely any...

New API changes for Buttondown

TL;DR requests.post( "https://api.buttondown.email/v1/attachments", files={ "file": open("newsletter-guide.pdf", "rb") }, data={ "name": "Newsletter Guide" }...

Tracking clicks in archives, too

Customizable exports

A brief history of all the times email was supposed to die

We've published a new blog post: > Second only to the year of Linux on the desktop. Read it here!

SimpleAnalytics integration

Best practices on pre-launch emails

We've published a new blog post: > The trickiest thing is keeping people's interest in the interim between announcing and launching your product. Read it here!

Revamped email draft flow

New API changes for Buttondown

When we first launched Buttondown's API, we actually had three separate email endpoints: /v1/drafts, /v1/scheduled_emails, and /v1/emails, because we had...

New API changes for Buttondown

TL;DR requests.get( "https://api.buttondown.email/v1/subscribers", params={ "date": ["2025-01-01", "2025-03-31"], // [!code --] "date__start": "2025-01-01",...

New API changes for Buttondown

You can now request newsletter exports in JSON format by specifying the new format field when creating an export. The old CSV functionality remains...

Markdown is unformatted formatting

We've published a new blog post: > How early computer users created the longest lasting formatting style, out of spare characters. Read it here!

New API changes for Buttondown

We've expanded the Newsletter API to include the following new fields that allow for further programmatic customization of your newsletter: css - Custom CSS...

Analytics for sad stuff

Share your newsletters on Are.na

E-COM: The $40 million USPS project to send email on paper

We've published a new blog post: > The USPS offered to print your email for you. Only spammers said yes. Read it here!

Updates from April

(Are you proud of us for abstaining from the “It’s gonna be May” pun? We hope so.) Filter subscribers based on UTM parameters Who cares what UTM actually...

Attachments helped email go global

We've published a new blog post: > Sending files via email might be on the decline, but its history is more important than ever. Read it here!

This is not a newsletter accessibility checklist

We've published a new blog post: > It's a starting point with a few early guideposts. Read it here!

Configurable Firewall

Quickly spot suspicious domains or IPs