magento-test/app/code/Magento/Tax/etc/webapi.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<routes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Webapi:etc/webapi.xsd">
    <route url="/V1/taxRates" method="POST">
        <service class="Magento\Tax\Api\TaxRateRepositoryInterface" method="save"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxRates/:rateId" method="GET">
        <service class="Magento\Tax\Api\TaxRateRepositoryInterface" method="get"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxRates" method="PUT">
        <service class="Magento\Tax\Api\TaxRateRepositoryInterface" method="save"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxRates/:rateId" method="DELETE">
        <service class="Magento\Tax\Api\TaxRateRepositoryInterface" method="deleteById"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxRates/search" method="GET">
        <service class="Magento\Tax\Api\TaxRateRepositoryInterface" method="getList"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxRules" method="POST">
        <service class="Magento\Tax\Api\TaxRuleRepositoryInterface" method="save"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxRules" method="PUT">
        <service class="Magento\Tax\Api\TaxRuleRepositoryInterface" method="save"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxRules/:ruleId" method="DELETE">
        <service class="Magento\Tax\Api\TaxRuleRepositoryInterface" method="deleteById"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxRules/:ruleId" method="GET">
        <service class="Magento\Tax\Api\TaxRuleRepositoryInterface" method="get"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxRules/search" method="GET">
        <service class="Magento\Tax\Api\TaxRuleRepositoryInterface" method="getList"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxClasses" method="POST">
        <service class="Magento\Tax\Api\TaxClassRepositoryInterface" method="save"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxClasses/:taxClassId" method="GET">
        <service class="Magento\Tax\Api\TaxClassRepositoryInterface" method="get"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxClasses/:classId" method="PUT">
        <service class="Magento\Tax\Api\TaxClassRepositoryInterface" method="save"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxClasses/:taxClassId" method="DELETE">
        <service class="Magento\Tax\Api\TaxClassRepositoryInterface" method="deleteById"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
    <route url="/V1/taxClasses/search" method="GET">
        <service class="Magento\Tax\Api\TaxClassRepositoryInterface" method="getList"/>
        <resources>
            <resource ref="Magento_Tax::manage_tax"/>
        </resources>
    </route>
</routes>