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888-534-3288
Payment Solutions
By business size
Small business
Simple card-present and online payments designed to grow with your business
Large business
Enterprise pricing, surcharging, and deep integrations for high-volume merchants
SaaS platforms
Embedded payments and platform monetization tools built for software companies
By industry
Retail
In-store, e-commerce, and omnichannel payments, seamlessly integrated
Field services
Mobile payments, invoicing, and recurring billing for teams on the road
Professional services
Invoicing, ACH, and subscription billing for service-based businesses
Healthcare
HIPAA-aware payment workflows for practices, billing groups, and clinics
Products
Payments
Accept card-present and online payments through one all-in-one platform
Powered by Stax Pay
Embedded payments
Build payments into your software and unlock new revenue streams
Powered by Stax Connect
Surcharging
Pass on credit card processing fees with a fully compliant program
Powered by CardX by Stax
Recurring billing
Automate subscription billing and reduce late or failed payments
Powered by Stax Bill
Pricing
Company
About
About Stax
Our mission, our story, and the team building the future of payments
Leadership
The executive team leading Stax
Careers
Open roles across engineering, sales, marketing, and support
Press
News, awards, and media coverage
Our product family
Stax Pay
Payment processing for small and large businesses
Stax Connect
Embedded payments for SaaS platforms
Stax Bill
Automated subscription billing and revenue management
CardX by Stax
Compliant surcharging programs
Stax Processing
Full-stack, end-to-end payment processing for partners and ISOs
Resources
Insights
Blog
Industry trends, product news, and payments tips
Videos
Demos, customer stories, and explainer content
Guides
Long-form playbooks for merchants and software platforms
Payments dictionary
Plain-language definitions of payments terminology
Developers & support
API documentation
Reference, guides, and SDKs for the Stax API
Support knowledgebase
Help articles and troubleshooting for Stax products
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APPSOS login portal
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Contact sales
1
Tell us a bit about you and your business so that we have insights on how to better serve your needs
2
Choose the right payment technology solutions you want and need for your business
3
Access your new Stax account quickly after registration and get started processing