Unlock seamless accounting workflows

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Stax Connect helps accounting ISVs control the payment rails, turning transactions into revenue. With embedded payments, your accounting software can eliminate manual data entry for your merchants, remove third-party apps, and streamline your user experience within a single dashboard.

Accounting software platforms need payment processing that can scale with their merchants’ success. By partnering with Stax Connect, accounting ISVs unlock a single source of truth for payment data, creating space for payments-led growth.

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Expert payments support

Stax Connect doesn’t just give you the technology, we help you take it to market. Our implementation team works alongside your developers to ensure a smooth integration, with sandbox environments, technical documentation, and dedicated support from day one. Once you’re live, our marketing team provides co-branded assets, go-to-market playbooks, and campaign strategies tailored to accounting audiences, helping you drive merchant adoption and accelerate revenue.

  • Need even more hands-on help driving payment adoption? With Stax Connect Plus, our experienced payment professionals handle sales, onboarding, activation, and ongoing merchant support on your behalf, so your team stays focused on accounting practices, not payments.
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Pricing built for your strategy

We don’t force you into one pricing box. We give you the tools to price payments in whatever way maximizes adoption across your merchant base, so you capture more revenue from the payments flowing through your platform.

Deliver a seamless, secure payment experience for your patients. See how Stax Connect can power your platform today.

Accounting payments technology

Digital invoicing

Collect payment via ACH, credit card, or digital wallet. We help modernize your billing with white-labeled invoices that encourage fast, secure payments that settle in days, rather than weeks.

ACH processing

Lower costs for large transactions by accepting ACH as a payment option. This offering helps lower the amount of credit card payments, which eat away at a percentage of high-value audits and tax engagements with interchange costs.

Recurring billing & retainers

Set up recurring payment for monthly bookkeeping or advisory services. With automated billing, you can eliminate manual hourly invoicing and ensure you get paid on time, minus the administrative overhead.

Embedded payments for accounting software

With Stax Connect, add payment acceptance to your client-facing accounting portal. Transform your software into a comprehensive financial ecosystem that allows your users to invoice, collect, and reconcile in one place.

Compliant surcharging

Pass the cost of processing on to clients who choose to pay with a credit card. We handle the calculations and disclosures required by card brands, allowing firms to offset credit card processing expenses while staying compliant.

Security and compliance

Protect your clients’ sensitive financial information with compliant workflows. Our integrated solutions handle encryption and tokenization, taking the risk out of your merchants’ hands.

Ready to get started?

Discover how to streamline your operations and turn your accounting ISV into a financial engine with embedded payments.