Connecting Klaviyo to Claude: The Three-Click OAuth Setup (and What It Replaces)


Hi!

If you don't use Klaviyo, skip this one.

If you do use Klaviyo, your day just got better: Klaviyo and Anthropic expanded their integration last week, and Klaviyo is now in Claude's Connector Directory. That means three things, in order of how much they probably matter to you:

  1. If you've been managing a private API key to wire Claude into your Klaviyo account, you can stop. Setup is now Settings → Connectors → Browse Connectors → Klaviyo → Connect. About two minutes, no key to copy, store, or rotate. (Available on Claude Pro, Max, Team, and Enterprise. Free plan users can still use the Claude Code install path — all details have been to The Complete Guide).
  2. Cowork can now run your Klaviyo work unattended. Hand it an outcome — "pull last week's campaign and flow performance and write me a Monday digest," or "audit my flows and flag any with open rates under 20%, with a prioritized fix-it list" — step away, come back to a finished doc saved to the right folder. The 4-phase Klaviyo audit in the klaviyo-analyst skill was built for exactly this.
  3. I reworked the klaviyo-analyst and klaviyo-developer skills to lead with the connector path. The Python scripts are still in there for headless / scheduled work, but they're a fallback now, not the default.

If you already grabbed the guide, the add-on, the Credentials page, the Klaviyo Skill page, and Troubleshooting are all updated. Refresh the Notion link and the new content's there.

Cheers,

x r


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Rebecca Rae Barton

A digital and e-commerce executive based in Brooklyn, NY and the author behind dgtl dept* — a substack about marketing, growth, and the absurdities of modern work.

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