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## Auto-Populate Credentials in API Explorer

api-reference

Save developers the hassle of finding and copying their API key. When authenticated, their API credentials will be automatically filled into the API Playground. This way, they can make their first API call even faster.

![API Explorer Splash Image](/learn/_fern-img/34b3d273fdad7177b207a9aef28dd26e475aec08a26754341d6455734903e921.webp)

Check it out live in [Webflow's API Explorer](https://developers.webflow.com/data/reference/sites/list?playground=/data/reference/sites/list).

Read the docs

## Card Component System

components

Enhanced documentation card components for better visual organization. Information can now be presented in a more structured and appealing way.

```typescript
interface CardProps {
  title: string;
  description: string;
  icon?: IconName;
  variant?: 'default' | 'bordered' | 'filled';
  actions?: CardAction[];
}

interface CardAction {
  label: string;
  href?: string;
  onClick?: () => void;
}
```

Read the docs