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Buttondown + Krevaya

Schedule Buttondown posts with Krevaya

  • Publish to your Buttondown subscribers: text, pictures
  • Paste a key or app password; tokens and keys encrypted at rest
  • Review-first: every post waits for your approval, then publishes on time

Krevaya is the review-first content workspace that drafts, designs and schedules for Buttondown and 32 other channels. Last updated October 2026.

A Krevaya post published to your Buttondown subscribers, with the review queue and schedule beside it

What can you publish to your Buttondown subscribers?

What Krevaya sends through Buttondown's official API, format by format. Available formats depend on your connected account.

Text

An email with your text and a subject you set.

Pictures

Pictures in the body.

How do I connect Buttondown to Krevaya?

Paste a key or app password. About a minute, once.

  1. In Buttondown, open Settings → Programming and copy your API key.
  2. In Krevaya's Connections, paste the key. Krevaya confirms the newsletter and stores the key encrypted.
  3. Regenerate the key in Buttondown any time and the connection stops.
  4. Write a post, or let Krevaya draft one, approve it in the review queue, and give it a time. It publishes to your Buttondown subscribers at that time.

What the review card asks for on Buttondown

Every post is one card in the review queue. Besides the copy and the media, Buttondown posts carry these choices, and a post missing a required one waits rather than guessing.

Choices on the card

  • The subject, and whether to send to subscribers now or leave a draft in Buttondown.

Limits

  • No extra limits beyond the platform's own.

Everything else Krevaya does for Buttondown

One workspace for every channel you run: the same drafts, the same review queue, the same calendar.

Drafts in your voice

Krew drafts Buttondown posts from what is trending in your niche, in your voice, and leaves them waiting for your approval.

Review-first, always

Drafts land in your review queue. Nothing publishes until you approve it, and auto-publish is opt-in per brand.

Best times, from your history

Schedule by hand or let Krevaya pick the next free slot from your own engagement history.

33 channels, one queue

Approve a post once and send its version to Buttondown and any other channel you have connected, each on its own card.

Your keys stay yours

Buttondown access is stored encrypted at rest, scoped to publishing, and revoked on Buttondown in one step.

Works with your AI agent

Ask ChatGPT, Claude or any of 27 AI agents to draft for Buttondown through Krevaya's hosted MCP server.

Good to know about Buttondown and Krevaya

What Buttondown itself allows, and what Krevaya does and does not do with it.

  • Sending is off by default: a post lands as a draft in Buttondown unless you tick the send box.
  • You approve every post in the review queue; nothing goes out on its own.

Other channels Krevaya publishes to

Same workspace, same review queue. More newsletters, then everything else.

Frequently asked questions about Buttondown and Krevaya

How do I schedule Buttondown posts with Krevaya?

Connect Buttondown once in Krevaya's Connections (paste a key or app password), then write a post, or let Krevaya draft one, and approve it in the review queue. Give it a time or let Krevaya pick one from your own engagement history; it publishes to your Buttondown subscribers at that time, whether or not you are online.

What can I publish to your Buttondown subscribers?

Text, Pictures. An email with your text and a subject you set. Pictures in the body.

Does Krevaya need my Buttondown password?

No. You paste a key, app password or webhook address made for Krevaya; it is stored encrypted at rest and you revoke it on Buttondown any time. Your login password is never asked for.

Can Krevaya post to your Buttondown subscribers on its own?

Only what you approved. Drafts wait in the review queue; approved and scheduled posts publish at their time. Auto-publish is opt-in per brand, and you can turn it back off any time.

Which plan do I need for Buttondown?

Buttondown is available on every Krevaya plan, including Free, which comes with one connected account. More accounts and AI writing start with Plus at $29 per month. Buttondown's own plan requirements, if any, are Buttondown's.

Can I connect more than one Buttondown account?

Yes. Each connected account can be assigned to a brand, and a post publishes through its brand's account, never another brand's.

Can my AI agent post to your Buttondown subscribers?

Yes. Krevaya's hosted MCP server lets ChatGPT, OpenAI dots, Claude and 24 other AI agents draft for Buttondown; the drafts land in the same review queue and publish only when you approve them.

What formats does Buttondown support in Krevaya?

Text, pictures. No extra limits beyond the platform's own.

Put Buttondown on autopilot, with you in charge.

Free includes one connected account. Join the waitlist and we'll be in touch when it's your turn. Your AI agent can drive it too, from ChatGPT or OpenAI dots.

Join the waitlist