Developer Documentation
Comprehensive guides and API references to help you integrate secure payment solutions seamlessly into your applications.
Our most popular solutions
Hosted payments page
Hosted payments page (HPP) is a low-code integration method powered by Fusebox's Converge payment gateway that enables businesses to accept online payments.
Lightbox payment modal
Lightbox integration, powered by Fusebox's Converge payment gateway, enables your eCommerce store to collect payments securely.
Commerce SDK
A comprehensive solution that accelerates your ability to implement a secure, EMV-compliant payment product.
Additional solutions
CenPOS
CenPOS is an integrated commerce platform that simplifies payment processing through its multiple integration options. With CenPOS APIs, businesses can seamlessly embed secure payment capabilities into their own web-based applications.
CheckoutJS
Checkout.js integration, powered by Fusebox's Converge payment gateway, enables your eCommerce store to use Converge to collect customer data and process payments securely.
Fusebox Payment Gateway
Take card payments with Fusebox Payment Gateway. Tailor our built-in-house solution to fit your business needs, including everything from hosted payment pages to API solutions.
Fusebox
A secure and flexible hosted payment gateway, providing a single interface for delivering payments across all your locations to your payment processor.
XML API
Converge® is Fusebox's payment processing solution for eCommerce and card-present payments. The XML API enables businesses to accept multiple payment options and is used by industries like hospitality, government, and health care.
viaConex
The viaConex API is your tool for direct and secure integration, offering maximum flexibility for managing your payment processing environment, and providing access to the full range of Fusebox functionality.
Optional platform features
Eboarding Partner API
Automates the underwriting and on-boarding journey, allowing you to simplify the process and significantly reduce the time needed to get your merchants up and running.
Fraud services
We've renamed our combined 3D Secure and eCommerce Merchant Fraud Scoring documentation to Fraud services. Integrating with eCommerce Merchant Fraud Scoring, 3D Secure 2, or both, enables you to increase authorization rates, lower false declines, and shift chargeback liability. Our fraud services eliminate the burden of fraud screening from your business.
Payments Core 365
A daily data file that contains your funded transaction information, giving you a complete view of your payment details and the ability to reconcile your internal numbers and direct demand accounts.