ButtondownbetaButtondown scheduler: send your newsletter from the same calendar as your posts
Plan your newsletter next to the social posts that go with it. You connect Buttondown with an API key, and at the time you set Postemi sends the post to your subscribers, or saves it as a Buttondown draft. The subject is the one you set or the first line.Beta: New in Postemi and not yet tested with many newsletters. Tell us if something does not work.
- Every planButtondown's API works on all of them
- Send or draftper post
- 30 platforms and appsincluding Buttondown, in one calendar
Send or draft
Send to your subscribers at the set time, or keep a draft to finish in Buttondown.
Subject and description
Set both, or let the first line of the post be the subject.
Your subscribers stay
Postemi sends through your Buttondown account and does not copy your list.
One calendar
The newsletter sits next to your social channels, so nothing is planned twice.
Plan, schedule and measure your Buttondown content from one place
Your post as a Buttondown e-mail, sent on schedule or saved as a draft.
The newsletter and the posts, in one plan
Schedule the issue and the social posts that go with it in one calendar.
- Subject and description
- Sent at the set time
- Or saved as a draft
Drag a post to another day to move it.
One text, also as an issue
Write once, then adjust the newsletter version in its own tab.
- Per-channel text variants
- One schedule, several channels
- Pictures in the e-mail body
Goes out on 4 channels. You can keep editing until then.
Post everywhere at once
Post everywhere in 30 seconds instead of 30 minutes. Manage all your social accounts from one place: connect your profiles and publish the same content to every platform at once, in a few clicks, without the extra hassle.
Post everywhere at once- LinkedIn
- Buttondown
- X
- Bluesky
Mastodon
Our autumn menu starts Friday: cardamom buns and a new house filter. Come by and try it first!
Start with Buttondown in three steps
Copy your API key
In Buttondown: Settings > API.
- 02
Connect
Paste the key in Postemi.
- 03
Write and schedule
Set the subject, choose send or draft, and pick the time.
Take the Buttondown load off your shoulders
Write the next few weeks in one go, drag them onto the calendar, and Postemi publishes at the minute you set. You only have to deal with the content.
Frequently askedquestions
Buttondown asks apps to confirm a real send. Does Postemi do that?
Which plan do I need?
What does the e-mail contain?
Is there a free trial for Buttondown?
AI agents that post through Postemi
The same Postemi account works with every agent below. Each page shows the exact setup.
Grow your audience,not your workload
Postemi brings your social accounts together in one calendar, so you can spend more time on your leads and your business. Don't let managing your accounts take up ten hours a week.