webapi.xml

<?xml version="1.0"?>
<routes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Webapi:etc/webapi.xsd">
    <!-- Category Widget -->
    <route url="/V1/categorywidget/:itemId" method="GET">
        <service class="NicolasBejean\CategoryWidget\Api\CategoryWidgetRepositoryInterface" method="getById"/>
        <resources>
            <resource ref="NicolasBejean_CategoryWidget::global"/>
        </resources>
    </route>
    <route url="/V1/categorywidget/search" method="GET">
        <service class="NicolasBejean\CategoryWidget\Api\CategoryWidgetRepositoryInterface" method="getList"/>
        <resources>
            <resource ref="NicolasBejean_CategoryWidget::global"/>
        </resources>
    </route>
    <route url="/V1/categorywidget/:itemId" method="DELETE">
        <service class="NicolasBejean\CategoryWidget\Api\CategoryWidgetRepositoryInterface" method="deleteById"/>
        <resources>
            <resource ref="NicolasBejean_CategoryWidget::delete"/>
        </resources>
    </route>
</routes>