First Data Merchant Id payment/googlepay_firstdata/gateway_merchant_id Merchants > Sandbox/Live > Merchant Id section.]]> firstdata Merchant Token payment/googlepay_firstdata/token Magento\Config\Model\Config\Backend\Encrypted Merchants > Sandbox/Live > Token section.]]> firstdata Api Key payment/googlepay_firstdata/api_key First Data developer portal > APIs > Your API Name > Keys > API Key section.]]> firstdata Api Secret payment/googlepay_firstdata/api_secret First Data developer portal > APIs > Your API Name > Keys > API Secret section.]]> Magento\Config\Model\Config\Backend\Encrypted First Data's documentation for more information on how to create an API.]]> firstdata