The Payment Provider Gateway documentation uses the Magento 2.3.x version of the Braintree module as a reference application. The Braintree module was removed in Magento 2.4.0. The concepts described in this guide are still applicable to Magento 2.4.0, but the code samples are not supported.

Add vault to module dependencies

You need to add dependencies on the Magento_Vault module in the payment method’s composer.json and module.xml files.

Example: adding Vault module dependencies for the Braintree payment method

app/code/Magento/Braintree/composer.json:

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{
    "name": "magento/module-braintree",
    ...
    "require": {
        ...
        "magento/module-vault": "100.1.*"
        ...
    }
    ...
}

app/code/Magento/Braintree/etc/module.xml:

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<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
    <module name="Magento_Braintree" setup_version="2.0.0">
        <sequence>
            ...
            <module name="Magento_Vault"/>
            ...
        </sequence>
    </module>
</config>

What’s next

Configure vault general parameters.