QuantumGateway

What QuantumGateway does

QuantumGateway (doing business as Quantum Gateway) is a US-based online payment processing company that has operated continuously since 2006 under Quantum Services LLC, providing PCI DSS Level 1 certified credit card and ACH transaction processing for small and mid-sized merchants. Its platform accepts Visa, Mastercard, American Express, and Discover across card-present and card-not-present flows, supports recurring billing, invoicing, and B2B Level 2/3 line-item data, and is differentiated by a proprietary tokenization vault (QGW Vault) and an Authorize.Net-compatible emulation API that enables low-friction migration from the dominant incumbent gateway.

The product surface spans a browser-based virtual terminal (no hardware required), customizable invoicing with two-way SMS and installment plans, an Automated Billing Collector that uploads receivables and sends text-to-pay links with financing fallback, and a multi-layer fraud defense suite combining AVS/CVV checks with MaxMind GeoIP risk scoring, IP rate limiting, and velocity rules. Integration is delivered through five methods — from simple embeddable forms to full server-to-server APIs — plus pre-built modules for WooCommerce, Zen Cart, WHMCS, and 20+ other commerce and billing platforms. Developer documentation is published with code samples in cURL, PHP, Python, Node.js, Ruby, and C#.

QuantumGateway earns revenue primarily through transaction-based fees on payment processing, supplemented by recurring billing and invoicing services, B2B Level 2/3 interchange optimization, and a certified surcharging/cash discount program. Pricing is quote-based, month-to-month with no long-term contracts, and distributed through a hybrid self-serve/inside-sales motion targeting SMB merchants across online commerce, B2B, subscription, and ACH use cases. Customer support is US-based and available 24/7, and the company claims 99.9% uptime. There are no disclosed funding rounds, headcount figures, executive team bios, social media properties, or revenue figures in the public source material.

Name

QuantumGateway

Legal name

Quantum Services LLC

Website

https://quantumgateway.com

Company type

Private

Founded year

2006

Operating status

Operating

Short description

QuantumGateway is a US-based PCI Level 1 online payment processor, founded in 2006, offering credit card and ACH processing, virtual terminal, recurring billing, invoicing, B2B Level 2/3, and tokenized card storage primarily to SMB merchants through self-serve and quote-based sales.

Ownership category

akta.pro rank

Product category

Payment Processing

NAICS

Financial Transactions Processing, Reserve, and Clearinghouse Activities (522320)

SIC

Miscellaneous Business Credit Institution (6159)

akta.pro primary industry

Merchant Payment Gateways (API/Hosted Checkout) (FSAMACAA)

Keywords

• Online payment processing
• Credit card gateway
• Merchant services
• Recurring billing software
• PCI compliant processing

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Operations, Personnel, Infrastructure, Marketing or Sales

Revenue model

1. Payment Processing Transactions: Transaction-based fees for processing credit card payments (Visa, Mastercard, American Express, Discover). Supports card-present (swipe/dip/tap) and card-not-present (online/phone) transactions, ACH e-check transactions including WEB, CCD, PPD, one-time and recurring.
2. Recurring Billing Services: Automated subscription management with weekly, monthly or custom billing schedules. Real-time post-recurring transaction results to merchant website with customer email notifications.
3. Virtual Terminal and Invoicing: Browser-based payment processing with customized invoicing, automatic reminders, aging reports, 2-way text messaging, and installment billing.
4. B2B Level 2/3 Processing: Enhanced data transaction processing for commercial and purchasing cards with interchange savings.
5. Surcharging and Cash Discount Programs: Certified programs to offset processing costs while maintaining compliance with card network rules.

Pricing tiers

Go-to-market motion3 records

Distribution channels3 records

Marketing channels3 records

Core offering

QuantumGateway is an online payment processing platform that accepts credit card (Visa, Mastercard, Amex, Discover) and ACH e-check transactions through a PCI Level 1 certified gateway. It offers a virtual terminal, customizable invoicing, automated A/R collection with text-to-pay, recurring/subscription billing, B2B Level 2/3 commercial card processing, certified surcharging/cash discount programs, and a multi-layer fraud defense suite. Merchants can integrate via five methods including an Authorize.Net-compatible REST API and pre-built modules for WooCommerce, Zen Cart, WHMCS, and 20+ other platforms.

Product overview

QuantumGateway is an online payment processing platform offering a unified suite of payment services. The core platform (Online Payments) provides credit card transaction processing with PCI Level 1 security, complemented by specialized modules including Virtual Terminal for browser-based processing, Invoicing and A/R Billing for receivables management, B2B L2 & L3 Processing for commercial card transactions, Surcharging & Cash Discount programs, Recurring Billing for subscriptions, Fraud Defense Suite for security, QGW Vault for tokenization, and Real-Time Reporting. The platform supports five integration methods including pre-built modules for WooCommerce, Zen Cart, WHMCS, and 20+ other platforms, plus an Authorize.Net emulation API for migration compatibility.

Differentiator

Problem solved

Functional benefit

Products and services

• Online Payments Core payment processing service for credit card transactions via website, virtual terminal, or recurring billing with PCI Level 1 security; accepts Visa, Mastercard, American Express, and Discover plus ACH e-check transactions. Built for merchants seeking online payment acceptance with PCI-compliant security.
• Virtual Terminal Browser-based payment processing interface requiring no hardware or software installation. Supports keyed and MOTO transactions, customizable form fields, multi-user access with granular permissions, and batch processing. Accessible from any device or browser.
• Recurring Billing Automated subscription management with weekly, monthly, or custom billing schedules, automatic retries on failure, and customer email notifications. Posts recurring transaction results to the merchant website in real time. Designed for subscription-based merchants.
• Invoicing Customized invoicing with branded templates, batch sending, automatic reminders by aging bucket (30/60/90 days), 2-way SMS with customers, installment plans, and financing options. Built for merchants that need to send and collect on invoices.
• A/R Billing (Automated Billing Collector) Automated receivables collection service that uploads A/R files, sends text-to-pay links to customers, provides financing fallback options, and tracks collection status in real time. Designed to reduce days outstanding for merchants with invoice-based revenue.
• B2B L2 & L3 Processing Level 2 and Level 3 line-item data support for B2B transactions on commercial and purchasing cards. Includes tax amounts, PO numbers, item descriptions, quantities, and commodity codes. Compliant with Visa CEPD standards. Built for B2B merchants seeking interchange savings.
• Surcharging & Cash Discount Certified surcharging program and cash discount alternative for offsetting processing costs while maintaining compliance with card network rules and state-level regulations. Includes automatic surcharge disclosures, compliant receipt formatting, and state-level rules handling.
• Fraud Defense Suite Multi-layer fraud prevention service including AVS address verification, CVV card verification, MaxMind GeoIP risk scoring, IP rate limiting and blocking, duplicate transaction detection, and configurable amount filters. Designed for merchants that need built-in fraud protection.
• QGW Vault PCI-compliant card storage and tokenization service allowing merchants to charge stored cards without handling raw card numbers. Reduces PCI scope for merchants by enabling repeat and recurring charges on tokenized payment data.
• ACH e-Check Processing ACH e-check transaction processing supporting WEB, CCD, and PPD formats for both one-time and recurring transactions. Provides merchants with an alternative payment method to credit cards.

Quantifiable outcome

• Significant interchange savings on B2B transactions through Level 2/3 line-item data submission
• +2 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

AI capability1 record

Feature7 records

Partnerships

Four partnerships are on record, tiered core.

• WooCommercecoreTechnology or IntegrationPre-built integration module enabling WooCommerce merchants to process payments through QuantumGateway's payment gateway.
• Zen CartcoreTechnology or IntegrationPre-built integration module enabling Zen Cart merchants to process payments through QuantumGateway's payment gateway.
• WHMCScoreTechnology or IntegrationPre-built integration module enabling WHMCS users to process payments through QuantumGateway's payment gateway.
• Authorize.NetcoreTechnology or IntegrationQuantumGateway provides Authorize.Net emulation API, allowing merchants using platforms that support Auth.Net to migrate to QuantumGateway without rewriting their integration code.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Authorize.Net: Authorize.Net is a long-standing payment gateway owned by Visa serving SMB merchants with virtual terminal, recurring billing, and API integrations. QuantumGateway explicitly emulates the Authorize.Net API to capture migrations, making it a direct substitute and the primary switching target.
• PaymentCloud: PaymentCloud is a payment gateway and merchant account provider specializing in high-risk and SMB merchants with virtual terminal, recurring billing, and API integrations. It targets the same SMB gateway niche as QuantumGateway.
• Gravity Payments: Gravity Payments is a merchant services provider offering payment processing, virtual terminal, and recurring billing for SMBs. It is comparable to QuantumGateway as a quote-based SMB payment processor with US-based support.
• Square (Block): Square provides payment processing, virtual terminal, invoicing, and recurring billing for SMBs. QuantumGateway overlaps with Square's online and virtual terminal offerings for SMB merchants who want quote-based pricing and no long-term contracts.
• Stripe: Stripe is the leading online payment gateway serving SMBs and enterprise developers with APIs, hosted checkout, and integrated financial services. QuantumGateway competes directly with Stripe for online merchants and developer-led integrations, though Stripe operates at vastly greater scale.
• Stax (formerly Fattmerchant): Stax provides subscription-based payment processing with virtual terminal, recurring billing, and integrations for SMBs. QuantumGateway competes for similar merchants seeking transparent pricing and no long-term contracts.
• 2Checkout (Verifone): 2Checkout, now part of Verifone, provides online payment gateway services, virtual terminal, and recurring billing for digital and SMB merchants globally. It is comparable to QuantumGateway's online payment processing and recurring billing offerings.
• Helcim: Helcim is a payment processor and gateway offering interchange-plus pricing, virtual terminal, recurring billing, and invoicing for SMBs. It is a direct competitor to QuantumGateway on quote-based transparent pricing and SMB-focused payment tools.
• Braintree: Braintree (a PayPal company) provides online payment gateway services with developer-friendly APIs, recurring billing, and fraud tools. QuantumGateway targets similar online-first merchants with comparable API-based integration and recurring billing modules.

Broad incumbents

• PayPal: PayPal operates as a broad incumbent in online payments, offering Payflow Gateway (formerly Payflow Pro), Braintree, and merchant services. QuantumGateway competes for the same SMB and B2B gateway customers but as a smaller specialist versus PayPal's full-stack platform.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key highlights7 records

Customer concentration

• Xx.com/quantumgateway

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about QuantumGateway