Banking as a Service: How BaaS Is Powering the Next Generation of Payments

Banking as a Service (BaaS) is the infrastructure layer that allows non-bank companies to offer banking and financial products — checking accounts, cards, lending, payments — under their own brand without a banking license. BaaS providers hold the banking license and regulatory relationships; their platform customers build the product experience on top. Understanding BaaS helps merchants and platform operators see how modern financial infrastructure is assembled — and how ConvesioPay fits into that picture.

The BaaS Stack

A BaaS arrangement typically involves three layers:

1. Licensed bank (sponsor bank): Holds the banking charter, FDIC insurance, and regulatory relationships. Provides the underlying deposit accounts, payment rails, and card programs.
2. BaaS middleware platform: APIs and compliance tooling that translate the bank’s capabilities into developer-friendly products. Examples include Synapse, Unit, and Marqeta for cards.
3. Non-bank platform (the “brand”): The company that builds a financial product on top — a branded debit card, a merchant cash advance program, an embedded wallet.

BaaS and the PayFac Connection

BaaS and PayFac models are related but distinct. A PayFac (like ConvesioPay) uses BaaS-style acquirer relationships to process card payments for sub-merchants. A BaaS arrangement typically covers deposit accounts and card issuance — the funded side of financial services. Together, they form the backbone of embedded finance: a platform can use a PayFac for payment acceptance and BaaS for stored value and card issuance.

Regulatory Considerations

BaaS has come under increased regulatory scrutiny in the US. Banking regulators have raised concerns about sponsor bank oversight of BaaS middleware partners, leading to increased compliance requirements and some BaaS provider exits. Merchants evaluating platforms built on BaaS infrastructure should understand the regulatory relationships involved.

How This Affects WooCommerce Merchants

For most WooCommerce merchants, BaaS infrastructure is invisible — it powers the payment rails and accounts behind the scenes. What matters is choosing a payment partner with stable, regulated infrastructure. ConvesioPay is built on Adyen’s direct acquiring infrastructure — providing payment processing stability without exposure to the regulatory volatility that has affected some BaaS middleware providers. Pricing: 2.9% + $0.30 per transaction, no monthly fees.