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Letterhead + Zapier

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Zapier lets you connect Letterhead to thousands of other apps without writing code. Use it to automate audience management and content curation.

Connect your Letterhead account to Zapier

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  1. In Zapier, create a new Zap and search for Letterhead.
  2. When prompted, authenticate with a company-level API key. This connects Zapier to your entire company audience, not just a single newsletter. This may need to be enabled for your account — contact support. See Generate & manage API keys.
  3. Choose an action (below).

Generating API keys is an admin task — if you don’t see the option, ask an organization administrator.

What you can do

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Add or update contacts

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Keep your Letterhead audience in sync with another system — a CRM, a form tool, a spreadsheet.

  1. Set the other app as the trigger (e.g. “new form submission”).
  2. Add the Letterhead — Add or Update Contact action and map the email and any other fields.

Manage tags

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Add or remove a tag on a contact from any Zap — useful for marking signup sources or triggering automations that react to tags.

Add articles to your Curations library

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Pipe links from another source into Curations for newsletter use: trigger on the source (e.g. a new item in a feed) and add the Letterhead curation action, mapping the URL.

Existing channel-level Zaps

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Existing Zaps built with older channel-specific Letterhead actions keep working without changes; new Zaps should use the company-level actions.

Good to know

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Video walkthrough

Still can’t find what you need? Contact support.