Sezzle works in the buy now, pay later (BNPL) model, meaning it lets customers pay for items in installments over a period of weeks. With the new partnership, Sezzle customers will now be able to connect their financial accounts to Plaid, thus letting them pay more efficiently, the release stated. Processing costs for Sezzle will also be lowered with the partnership, through facilitating user payments via ACH rather than using card networks.