Secure payments. Automated billing. Steady revenue.
Accept credit card payments through WHMCS with Quantum Payments. Give your customers a reliable way to pay, support recurring billing, and reduce payment-handling complexity with Quantum Gateway and Quantum Vault modules built for WHMCS workflows.
A simple way to
process payments
Payments should be simple for your customers and manageable for your team. With Quantum Payments connected to WHMCS, you can support online card payments while keeping invoices, billing activity, and customer accounts connected in one platform.
For businesses built on recurring services, Quantum helps reduce payment friction, support automated collections, and create a smoother path from invoice to revenue.
Payment processing for US merchants
Quantum Gateway is positioned as a US merchant gateway solution, helping supported merchants process automated recurring credit card payments through WHMCS.
When available for your business, Quantum Payments gives WHMCS users a secure and reliable way to accept payments, support recurring billing, and simplify online payment workflows.
Quantum Gateway and
Quantum Vault for WHMCS
Process card payments, recurring billing, refunds, and 3D Secure in WHMCS with Quantum Gateway and Quantum Vault. Together, they keep payments connected to invoices, services, and client accounts.
Easier Payment Collection
Give customers a straightforward way to pay invoices and services by credit card through WHMCS.
Built for Recurring Revenue
Support subscriptions,renewals, and ongoing service billing with automated recurring payment workflows.
Reduced Payment Complexity
Keep billing, invoices, services,and payment activity connected inside your WHMCS workflow.
More Secure Rebilling
Use Quantum Vault to support repeat payments while helping reduce card data exposure in your own systems.
Accept card payments with confidence
Make it easier for customers to pay for hosting, domains, subscriptions, SaaS products, and digital services. Quantum Gateway brings card payments into your WHMCS billing workflow, helping your team reduce payment delays, cut admin work, and stay focused on service delivery and growth.
One-Time Payments
Accept card payments for new orders, invoices, and service purchases.
Automated Recurring Payments
Support repeat billing for subscriptions, renewals, and ongoing customer services.
Refund Support
Manage supported refund workflows through WHMCS to simplify post-payment operations.
3D Secure Support
Quantum Gateway supports 3D Secure for Visa and Mastercard transactions in WHMCS.
Make repeat payments easier to manage
Quantum Vault helps subscription-based businesses support repeat billing through remote card storage, reducing the need to keep card data inside WHMCS. This creates a smoother rebilling experience while supporting a cleaner, more secure payment operation.
Remote Card Storage
Quantum Vault stores card details remotely on Quantum’s server instead of in your WHMCS database
Repeat Billing Support
Support recurring payments for renewals,subscriptions, and ongoing service plans.
Easier Card Management
Quantum Vault supports remote card update capabilities in WHMCS, helping customers keep stored payment details up to date for future billing.
Better Customer Experience
Help customers continue paying for future services with less billing friction.
Activate Quantam Gateway
Accept credit card payments through WHMCS with Quantum Payments. Give your customers a reliable way to pay, support recurring billing, and reduce payment-handling complexity with the Quantum Gateway and Quantum Vault modules.
More reasons to activate Quantum Payments
Quantum Payments helps WHMCS users simplify payment collection,
support recurring billing, and reduce manual payment-management work.
Payment Convenience
Let customers pay invoices and services using familiar credit card payment options.
Operational Efficiency
Reduce disconnected payment tasks by managing payment workflows directly through WHMCS.
Recurring Revenue Support
Support subscriptions, renewals, and ongoing service relationships with automated recurring payments.
Built for WHMCS
Connect payment processing to the invoices, services, and client accounts your business already manages in WHMCS.