DPD Update: Authorize + Capture flow to prevent double charges, New Extra Sale Notice integration
- Jason
- DPD Updates
Today we released an update that changes the way we charge credit card transactions to prevent double submits of payment information resulting in double charges. Authorize + Capture Flow for Credit Card Transactions This change is somewhat technical and should be invisible to buyers but will address an important support issue affecting credit card users. DPD has always used javascript to prevent double submits of the payment form in the DPD cart. However, recently there have been more and more timeouts when submitting charges to mainly Paypal Payments Pro where their site would fail to load (outside of DPD's control), the buyer would give up and reload the page defeating any javascript we could do, and submit a duplicate charge. The change released today now splits Authorize (to see if the funds are available) and capture (to actually charge the card) in to two separate transactions. This lets us double-check...