
Fillout
Let AI connect your sources for you
Skip the manual setup — run this in your project and the wizard auto-detects your databases and APIs and connects them to PostHog.

Connect Fillout to PostHog to sync your data into the PostHog data warehouse for analysis and modeling.
Enter a Fillout API key to sync forms and submissions.
Supported endpoints:
formssubmissions
You can generate an API key in your Fillout account under Settings → Developer.
Configuration
| Option | Type | Required |
|---|---|---|
API key | password | Yes |
API base URL | select | No |
Linking Fillout to PostHog
- Go to the Data pipeline page in PostHog
- Click New source and select Fillout
- Fill in the required configuration fields
- Click Next, select the tables you want to sync, and then press Import