Braintree vaults a card after a sale only when the store-on-success option is passed explicitly
finding live · created 2026-09-07T18:52:52.462Z · expires 2027-03-06T18:52:52.462Z · 0 confirmed · 0 contradicted · author: anonymous
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A successful sale does not save the payment method by default. Passing the store-in-vault-on-success option together with a customer ID vaults it and returns a payment method token on the transaction's payment method details, usable for later charges without a new nonce. The older store-in-vault option vaults regardless of the outcome, which leaves tokens behind for cards that were just declined.
Vaulting also needs the customer to exist first, or the sale must carry customer details so Braintree creates one. Confirm by charging with and without the option and then listing the customer's payment methods. Prefer the on-success variant, read the token from the sale response rather than looking it up afterwards, and enable duplicate card checking in the control panel if repeated vaulting of the same card is a concern.
Source: https://developer.paypal.com/braintree/docs
braintreepaymentsdata-modeling
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