Issuing processor
I. What is an issuing processor?
An issuing processor is a technology provider that connects a card program to payment networks like Visa and Mastercard, handling real-time authorization, clearing, and settlement of card transactions. When a cardholder swipes, taps, or clicks to pay, the issuing processor determines in milliseconds whether that transaction gets approved or declined.
Issuing processors work on behalf of card-issuing banks and program operators. Without one, a card simply cannot process payments.
II. How issuing processors work
Every card transaction follows a defined path:
- Authorization: The merchant's terminal sends the transaction to the card network, which routes it to the issuing processor. It checks account status, available credit, fraud rules, and spending controls, then returns an approval or decline in real time
- Clearing: Transaction details are reconciled between the merchant's bank and the issuing side, confirming amounts and merchant information
- Settlement: Funds move between banks, with the issuing processor facilitating the transfer on the cardholder's behalf
The issuing processor also manages fraud monitoring, tokenization for digital wallets, and compliance with card network rules.
III. Issuing processor vs. card issuing platform
The issuing processor handles the transaction moment. A card issuing platform handles everything around it.
Before a card is swiped, someone has to originate the account, set the credit limit, and issue the card. After the swipe, someone has to post the transaction, generate a statement, collect a payment, and manage collections if the account goes delinquent. That is the card issuing platform's job, not the processor's.
A card program needs both. The processor provides network connectivity and transaction infrastructure. The platform provides the credit ledger, servicing, compliance, and program management layer.
IV. The role of the card issuing bank and BIN sponsor
Card networks only issue BINs (Bank Identification Numbers) to regulated banks, so non-bank businesses launching a card program need a bank sponsor. The BIN sponsor takes on regulatory responsibility for the program and provides the BIN that appears on the card.
The issuing processor works alongside the BIN sponsor, connecting the bank's authorization systems to the card network. Understanding the distinction matters: a BIN sponsor provides regulatory coverage, an issuing processor provides network connectivity, and a card issuing platform provides the software to run the program.
V. How to choose an issuing processor
Key factors to evaluate:
- Network certifications: Does the processor support Visa, Mastercard, or both, and in the regions you need?
- Virtual card support: Can the processor issue virtual cards instantly for digital wallet use?
- API quality: Is the integration modern and well-documented?
- Fraud and compliance tools: What fraud monitoring, tokenization, and network rule management does the processor handle natively?
- Program flexibility: Can the processor support the specific authorization rules your program requires?
LoanPro's card issuing platform offers a bring-your-own-issuer model, meaning you choose the processor that fits your program and LoanPro connects to it. Native integrations with Galileo, Lithic, and Visa DPS are available out of the box, with additional processors accessible through LoanPro's API-first architecture. For a closer look at how one of those processor relationships works in practice, see the LoanPro and Visa DPS integration announcement.
If you are building a card program and working through which processor and platform combination makes sense, reach out to the LoanPro team. We are happy to walk through the options.