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Buttondown

Automate your Buttondown newsletter workflows.

MarketingCommunication

Connect it

In Keystile Automations → Connections → New connection, choose Buttondown and sign in. Your AI tools and workflows then use it through Keystile; they never see the password or key.How connecting works.

Try it from your AI tool

Using Keystile, in Buttondown: list subscribers (Retrieve subscribers from Buttondown).

What it can do (4 actions)

ActionWhat it doesChanges data
Create SubscriberCreate a new subscriber in Buttondown.Yes
Custom API CallMake a custom API call to a specific endpointYes
List SubscribersRetrieve subscribers from Buttondown.
Send EmailSend an email to your Buttondown subscribers.Yes

Start a workflow when… (3 triggers)

  • New Subscriber — Triggers when a new subscriber is created.
  • Subscriber Confirmed — Triggers when a subscriber confirms their email.
  • Email Sent — Triggers when an email is sent from Buttondown.

How Keystile protects it

Every Buttondown action is checked before it runs, whether it comes from an AI tool or a workflow. 3 of its actions change data; your rules, limits and budgets decide whether each is allowed, held for a person or stopped, and it all goes into the signed record.

Use Buttondown with your AI assistant — safelyClaude, Cursor or ChatGPT do the work; Keystile checks every action first.
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