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PHP 7.3 reached end of support in December 2021 and Adobe Commerce 2.3.x reaches end of support in September 2022. You may want to consider planning your upgrade now to Adobe Commerce 2.4.x and PHP 7.4.x to help maintain PCI compliance.

Vault

The Magento_Vault module implements the integration with the Vault payment gateway and makes the latter available as a payment method in Magento.