For most businesses, a payment gateway is something you choose once and rarely think about again. For an independent software vendor, it is the opposite. The gateway you select becomes infrastructure that your product, your merchants, and a real revenue line all sit on top of. Choose well and payments
Walk into any payments conference and you will hear “partnership” used a thousand times. Sales decks lead with it. Press releases announce it. RFP responses promise it. Yet most ISVs and software companies will tell you, off the record, that their payments partnership feels more like a vendor relationship dressed
Pricing model selection is one of the most consequential decisions an ISV makes about its payment stack, and one of the least examined. Most operating companies default to flat rate processing because the math is simple and the contracts read clean. The cost of that default, for any business with
Recurring revenue is the foundation of vertical SaaS economics. It compounds, it funds product investment, and it sets the enterprise value of the business. But the operational layer underneath it, the billing engine that converts customer commitments into actual cash on a schedule, is where most companies quietly lose money.
For independent software vendors handling payments, security is not a checkbox. It is the architecture you inherit the moment you start processing transactions through your software. It shapes your merchant relationships, your liability profile, and your operating complexity for years. Most ISVs evaluating a payment platform underestimate this. They focus
Processing fees keep climbing. Merchants notice. Partners hear about it. For ISVs and vertical SaaS platforms, this conversation has become routine. A merchant calls. Their margins are tighter than last quarter. Credit card fees are part of why. They want to know if there is anything you can do about
As software platforms evolve into systems of record, customers no longer expect to be redirected elsewhere to complete a transaction. They expect payments to happen seamlessly, inside the product they already trust. That shift changes the role of payments entirely. What was once external infrastructure is now a core part
There is a number missing from most vertical software P&Ls. It does not appear as a line item. It does not show up in your processor statement. Nobody flags it in a quarterly review. But it is there, and it has been compounding quietly for years. It is
Constellation operating companies are known for one thing above everything else: going deep. Deep in their verticals, deep with their customers, deep in the details that horizontal players overlook. It’s the philosophy that has made this ecosystem what it is, and it’s the reason portfolio companies consistently outperform generalist competitors
You have spent years building deep relationships with customers in your vertical. Your product is embedded in their daily operations, your retention is strong, and your team knows the industry inside out. But somewhere between your software and your customer’s bank account, a third party you did not choose
