Magento 1.x Software Support Notice
For Magento Commerce 1, Magento is providing software support through June 2020. Depending on your Magento Commerce 1 version, software support may include both quality fixes and security patches. Please review our Magento Software Lifecycle Policy to see how your version of Magento Commerce 1 is supported.
Braintree provides merchant account services and a payment gateway for processing online credit card purchases. A Braintree merchant account gives you the ability to accept payment by American Express, Visa, and MasterCard.
To use Braintree, you must first install and configure Magento Secure Payment Bridge for your store. Then, open a Braintree merchant account, and configure the Braintree payment gateway for your store.