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When an endpoint returns a large JSON response, scrolling to the few fields you actually care about is slow. The Preview view of the response body lets you type a JSONPath expression and narrow the displayed JSON to only the matching values, the same way Postman does.

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Open the filter bar

The filter is available in the Preview view when the response is JSON.
1

Send a request that returns JSON

Send any request whose response is JSON. The body opens in the Preview view, formatted and syntax-highlighted.
2

Click the funnel icon

In the response body toolbar, click the funnel icon on the right. A full-width filter bar appears below the toolbar.
The JSON response Preview view with the funnel icon highlighted and the filter bar revealed below the toolbar
3

Type a JSONPath expression

Enter an expression such as $.store.book[*].author. The displayed JSON narrows to the matched values as you type.
A JSON response narrowed to the matched values after typing a JSONPath expression in the filter bar

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Write the expression

The filter uses standard JSONPath. A few common patterns:
ExpressionSelects
$.store.book[*].authorThe author of every book under store.book
$.items[?(@.price < 10)]Every item in items whose price is below 10
$.headersThe whole headers object
$.results[0]The first element of the results array