Shopify/active_merchant — pull request #305 by brentmc79 (2012-03-16 20:31:15+00:00)
Title: Update the Braintree gateway to support :verify_card option on store

Braintree Blue has a :verify_card option that can be used when storing a card and/or customer. If the merchant does not have verify-all-cards turned on, then they can use this :verify_card option to force validation when initally storing the card.

See the Braintree docs here: http://www.braintreepayments.com/docs/ruby/general/card_verification#customer_api