
SaaS
PayFac as a Service: The Buyer’s Guide for SaaS Platforms
Most SaaS platforms leave $150K+ on the table every year. PayFac as a Service fixes that if you pick the right category.
Most platforms outgrow Stripe Connect the moment payments get serious. Here are five alternatives for embedding payments, from interchange-plus to full PayFac.

For most software platforms adding payments for the first time, Stripe Connect is the obvious starting line. It is quick to integrate, thoroughly documented, and familiar to nearly every developer who has touched a checkout flow.
If you need to accept payments and route funds to sellers, creators, or submerchants without building underwriting and onboarding yourself, Connect gets you live fast. That convenience is exactly why it became the default, and also why so many platforms eventually start weighing alternatives to Stripe Connect once payments become a meaningful part of the business.
The friction is economic. Stripe Connect runs on a flat blended rate of 2.9% + $0.30 per transaction, and for a platform passing payments through to its customers, almost none of that margin flows back. You own the merchant relationship and absorb the support burden, but the processing revenue belongs to someone else. As payments mature into a product line, that trade stops making sense.
Embedded payments have shifted from a checkout convenience to a core monetization channel. In an August 2025 survey of 300 ISV payment leaders, Stax found that 91% of ISVs expect embedded payments to play a larger role in their growth strategy over the next 12 months.
The macro picture matches: Bain & Company projects that financial services embedded into software and ecommerce platforms will surpass $7 trillion in U.S. transactions by 2026, up from $2.6 trillion in 2021. When payments sit that close to the center of a business, the limits of a one-size-fits-all aggregator start to show.
The real question is which model fits how your platform actually makes money, rather than simply whether to leave Stripe Connect. Treating payments as infrastructure instead of a bolt-on feature is where that decision begins.
| Provider | Best for | Pricing model | Embedded model | Standout for ISVs |
|---|---|---|---|---|
| Coinflow Launchpad | Early-stage ISVs under $10M ARR | Interchange-plus + revenue share | Embedded payments with accelerator support | Instant settlement for submerchants; no setup or platform fees |
| Adyen for Platforms | Enterprise, global platforms | Negotiated interchange++ | Managed and embedded accounts | Global acquiring and unified online/in-person commerce |
| Finix | Platforms wanting payments control | Interchange-plus or flat, published | PayFac-as-a-Service with a path to full PayFac | Own your economics now, become your own PayFac later |
| Payrix | Vertical SaaS platforms | Custom, revenue share | Embedded payments + PayFac-as-a-Service | Purpose-built for industry-specific software |
| Tilled | Small-to-mid SaaS | Flat-rate or interchange-plus, revenue share | Low-code PayFac-as-a-Service | Fast monetization without becoming a PayFac |
Coinflow Launchpad is an accelerator built specifically for small ISVs, typically those under $10 million in annual recurring revenue with 20 to 1,000 submerchants. The premise is direct: the platforms that win long-term monetize payments, so members start on infrastructure designed to earn from day one.
Adyen for Platforms is the choice when payments are a core operation rather than a side feature, with a global acquiring network that connects directly to local payment systems.
Finix is a certified processor that lets software platforms capture the economics of being a payment facilitator without the multi-year, multimillion-dollar build.
Payrix, part of Worldpay, focuses on embedded payments and PayFac-as-a-Service for vertical software platforms serving a specific industry, such as field services, fitness, or property management.
Tilled helps software platforms monetize payments through low-code integration, with no requirement to register as a payment facilitator.
Stripe Connect earns its place as the default because it removes friction at the start. The platforms that outgrow it do so because payments stop being a feature to pass through and become a revenue line to own. The right choice comes down to where a platform sits on that curve and how much of the payments relationship it wants to control.
For early-stage ISVs, the hardest part is capturing that upside before volume justifies an enterprise contract, and that is precisely the gap Coinflow Launchpad was built to close. Interchange-plus pricing and a revenue share mean payments contribute to the bottom line from the first transaction, while instant settlement gives submerchants a genuine financial unlock that makes the platform harder to leave.
If you’re weighing how to embed payments without renting your economics to a third party, talk to the Coinflow team about whether Launchpad fits your trajectory.

John Thomas Lang is Head of Marketing at Coinflow and a two-time $1B-unicorn brand builder known for turning early-stage companies into high-growth, category-defining businesses.

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