# Linking BuildBetter as a source - Docs

The BuildBetter connector can link interviews, extractions, persons, and companies to PostHog.

To link BuildBetter:

1.  Go to the [sources tab](https://app.posthog.com/data-management/sources) of the data pipeline section in PostHog.

2.  Click **\+ New source** and then click **Link** next to BuildBetter.

3.  You need an API key from BuildBetter. Go to your [API & MCP settings](https://app.buildbetter.app/settings/org/api-mcp) in BuildBetter and copy your API key.

4.  Back in PostHog, paste the API key in the `API key` field and click **Next**.

5.  On the next page, set up the schemas you want to sync and modify the method and frequency as needed. Once done, click **Import**.

Once the syncs are complete, you can start using BuildBetter data in PostHog.

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