
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
Supported tables
The tables available from this source are discovered from your account when you connect it, so the exact list depends on your data. Once connected, you can pick which tables to sync from the sources tab.