rewrite this title Fiserv Brings BNPL Capabilities to Debit Cards with Affirm – Finovate

Fiserv and Affirm are bringing BNPL to debit cards, enabling banks and credit unions to offer pay-over-time capabilities through existing debit programs without building new lending infrastructure.

Offering BNPL with bank-issued debit cards shifts installment lending from the merchant checkout to bank-owned channels, allowing financial institutions to retain customer relationships, data, and engagement within their own apps and card programs.

The model positions banks as the primary gateway for flexible payments, placing BNPL distribution within core payments infrastructure.

Core banking platform and payments player Fiserv is bringing buy now, pay later (BNPL) capabilities to its debit cards.

The Wisconsin-based company is collaborating with Affirm to bring pay-over-time capabilities to its debit card programs, empowering Fiserv clients, including community banks and credit unions, to offer their end customers flexible payment options without having to build new lending products.

According to Fiserv, the move is designed to help smaller financial institutions compete more effectively while keeping customer relationships anchored to their own debit products. “Community and regional banks and credit unions want to meet evolving consumer expectations around greater flexibility in how they pay for purchases all the while building a strong relationship with their primary financial institution,” said Fiserv Head of Card Services Erik Wichita. “This partnership gives our clients a practical, scalable way to offer such payment flexibility through their existing debit products—helping them compete effectively, deepen customer and member relationships, and drive top-of-wallet engagement with their products.”

Today’s announcement comes four years after Affirm and Fiserv first teamed up, integrating Affirm’s Adaptive Checkout to Fiserv’s Carat global commerce hub. The move allowed merchants using Carat to offer BNPL to their shoppers.

Adding pay-over-time capabilities to debit cards instead of just offering the option at the point-of-sale moves the payment from a merchant-led experience to a bank-centric one. Instead of being offered only at checkout with participating retailers, debit-based BNPL allows shoppers to access installment payments across a wider range of purchases and merchants, using their preferred payment card. For banks and credit unions, this model retains the customer relationship, data, and engagement within their own debit programs and mobile apps.

Affirm, for its part, sees the partnership as a way to bring pay-over-time options directly into the primary banking relationship, rather than positioning BNPL as a standalone checkout experience. “Millions of consumers depend on their local financial institutions, including for their top-of-wallet debit cards,” said Affirm CRO Wayne Pommen. “By partnering with Fiserv, we’re helping these institutions offer transparent pay-over-time options so customers can get the flexibility they need from the banks and credit unions they already depend on, rather than having to look elsewhere. We’re excited to enable this co-branded offering for Fiserv’s partners, allowing them to natively offer Affirm’s flexible payments through their existing debit cards.”

Fiserv and Affirm are aiming to make an easy transition for banks by managing all of the technical aspects, including real-time underwriting, loan origination, and funding. As a further benefit, consumers can use Affirm anywhere their debit cards are accepted. Additionally, Affirm’s 420,000 merchant partners give cardholders access to custom financing offers.

The companies are enabling banks and credit unions to participate in BNPL economics without giving up customer ownership to third-party point-of-sale providers. This could reshape how flexible payments are delivered and position banks as the primary gateway for installment lending.

Fiserv has been involved in the payments space since it was founded in 1984. The company serves merchants, banks, and fintechs with payments tools, customer analytics, and fraud prevention technology. Fiserv is publicly listed on the NYSE under the ticker FI and has a market capitalization of $35.39 billion.

Photo by Marek Piwnicki

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