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+1 (702)-623-3528Pre-certified SDKs eliminate lengthy processor certifications, allowing quicker launches and updates.
Minimize PCI exposure with hosted solutions and secure APIs, focusing your team on core development.
Monetize through embedded payments, subscriptions, and value-added services like loyalty programs.


Provide seamless, branded payment flows that improve retention and satisfaction in your software.
Lower development costs and interchange fees with optimized data capture and fraud prevention.
Tailored support for software verticals including SaaS platforms, POS ISVs, healthcare tech, fintech, and field-service applications.
Access dedicated teams for integration assistance, troubleshooting, and optimization.
Apply online for fast approval and access to your ISV merchant account.
Choose SDKs or APIs based on your platform, with pre-certified options for immediate use.
Follow our guides to embed payments, connect devices, or set up online gateways.
Use sandbox environments for testing, ensuring compliance and functionality.
Go live with secure transactions, recurring billing, and real-time confirmations.
Leverage dashboards for analytics, fraud management, and performance insights.


Adhere to the highest standards, with reduced scope via hosted and redirect methods.
Safeguard data during transmission and storage, preventing breaches.
Support for Verified by Visa and Mastercard SecureCode to enhance transaction security.
AI-driven tools for real-time alerts and prevention of suspicious activities.
Pre-certified for chip cards and NFC payments in supported devices.


- Compatible with Android, iOS, Linux, Windows, and languages like Perl, PHP, C++, Java.
- Pre-certified with major manufacturers for terminals in retail, hospitality, and more.
- Integrate with popular shopping carts and hosted pages for non-technical users.
- Sync with business systems for automated workflows and data exchange.
Software platforms evaluating an ISV payment processor usually have the same handful of questions before choosing a partner for embedded payments. Here's how CARDZ3N answers them for ISV credit card processing specifically.
What's the difference between an ISV payment processor and a standard payment gateway?
A standard gateway processes payments for a single merchant. An ISV payment processor is built for software platforms that need to onboard and process payments for many underlying merchants at once, with sub-merchant underwriting, split settlement, and reporting per merchant built in — not bolted on.
How long does ISV credit card processing integration take?
With CARDZ3N's pre-certified SDKs, most software platforms go from signed agreement to live transactions in days rather than the months a from-scratch processor certification typically takes, since the certification work is already done.
Can an ISV payment processor support both card-present and card-not-present sub-merchants?
Yes — CARDZ3N's ISV integration supports embedded in-person payments (EMV terminals, contactless) and online/card-not-present flows under the same platform relationship, so a software vendor serving both retail and e-commerce merchants doesn't need two separate integrations.
Start protecting your revenue from chargebacks today — schedule your complimentary consultation with CARDZ3N’s dispute management specialists.