---
title: "Filter: bricks/query_api/headers"
description: "Filters the headers used by a Query API element request."
canonical: "https://academy.bricksbuilder.io/developer/hooks/filters/bricks-query_api-headers/"
markdownUrl: "https://academy.bricksbuilder.io/developer/hooks/filters/bricks-query_api-headers.md"
pageType: "article"
section: "developer"
category: "hooks"
lastmod: "2026-05-28T10:23:46.000Z"
---
Filters the headers used by a Query API element request before Bricks sends it.

## Parameters

- `$headers` (array): HTTP request headers.
- `$element_id` (string): The Query API element ID.
- `$query_api` (object): The Query API integration instance.

## Example usage

```php
add_filter( 'bricks/query_api/headers', function( $headers, $element_id, $query_api ) {
    $headers['X-Client'] = 'my-site';

    return $headers;
}, 10, 3 );
```