Online payment processing since 2006
Quantum Gateway handles credit card transactions for your website, virtual terminal, or recurring billing — with PCI Level 1 security and five ways to integrate.
Quantum Gateway handles credit card transactions for your website, virtual terminal, or recurring billing — with PCI Level 1 security and five ways to integrate.
No software to install.
Just log in and process payments
from any device, any browser.
→ Desktop, tablet, or phone
→ Multiple users, one dashboard
→ Batch processing supportMore than just invoices:
→ Branded, customizable templates
→ Batch send to entire customer lists
→ Auto-reminders by aging bucket
→ 2-way SMS with customers
→ Installment plans & financing
→ Sort by 30 / 60 / 90 day agingUpload → Collect → Done.
→ Bulk upload your A/R file
→ Auto-send text-to-pay links
→ Financing fallback if needed
→ Real-time collection dashboard
→ Define your own payment plans
→ Reduce days outstanding fastimport requests
response = requests.post(
"https://secure.quantumgateway.dev/cgi/tqgwdbe.php",
data={
"gwlogin": "your_login",
"RestrictKey": "your_key",
"amount": "49.99",
"BTEFIRSTNAME": "John",
"BTELASTNAME": "Doe",
"ccnum": "4111111111111111",
"ccmo": "12",
"ccyr": "26",
}
)
print(response.text) # APPROVEDLower your B2B processing costs:
→ Level 2: tax + PO number
→ Level 3: full line-item detail
→ Visa CEPD compliant
→ Commodity codes supported
→ Automatic data validation
→ Significant interchange savingsOffset your processing costs:
→ Certified surcharge program
→ Cash discount alternative
→ Compliant receipt formatting
→ State-level rules handled
→ Automatic disclosures
→ Card network certifiedSet it and forget it.
→ Weekly, monthly or custom
→ Automatic retries on failure
→ Email notifications to customers
→ Pause, resume, or cancel anytimeMultiple layers of defense:
→ AVS address verification
→ CVV card verification
→ MaxMind GeoIP + risk scoring
→ IP rate limiting & blocking
→ Duplicate transaction detection
→ Configurable amount filtersProcess payments from any browser. Customizable form fields, multi-user access, batch processing. No hardware needed.
Automated subscription management with flexible schedules and customer notifications.
AVS, CVV, MaxMind GeoIP, velocity checks, and configurable amount filters to keep your business safe.
PCI-compliant card storage with tokenization. Charge stored cards without handling raw card numbers.
Statistical and graphical reports with CSV/PDF export. Track sales trends and reconcile batches.
Sub-user accounts with granular permissions. Control who can process, void, refund, and view reports.
Fill out a short form. Our team sets up your account within one business day. No long-term contracts, cancel anytime.
Choose from five integration methods, use a pre-built module for your platform, or start processing with the virtual terminal immediately.
You're live. PCI Level 1 security, fraud prevention tools, and 24/7 US-based support are included with every account.
Pricing is straightforward with no hidden fees. Call 800-929-1848 or fill out the sign-up form and our team will walk you through the options for your business.
Quantum Gateway is PCI DSS Level 1 certified — the highest level of security certification in the payment industry. Cardholder data is protected with tokenization, encryption, and multiple fraud prevention layers.
Yes. We offer five integration methods from simple embeddable forms to full server-to-server APIs, plus pre-built modules for WooCommerce, Zen Cart, WHMCS, and 20+ other platforms. Our Authorize.Net emulation API also works with any platform that supports Auth.Net.
Visa, Mastercard, American Express, and Discover. Card-present (swipe/dip/tap) and card-not-present (online/phone) transactions, recurring billing, and invoicing. ACH e-check transactions can also be processed including WEB, CCD, PPD, one-time and recurring.
Our US-based support team is available 24/7 at 800-929-1848 or support@quantumgateway.com. Real people who know payments, not a call center reading from a script.
No. Month-to-month service. Cancel anytime with no penalties or early termination fees.
Open an account and start processing within one business day. No long-term commitment required.
Questions? Call 800-929-1848