Merchant Processing Gateway

Payment Processing

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Understanding Payment Gateways: A Guide for Businesses

Dive into the essentials of payment gateways and learn how they function within the payment ecosystem. Discover key factors to consider when selecting the right payment gateway for your business and understand where Finauren fits into the process.

What is a Payment Gateway?

A payment gateway is a service that enables businesses to initiate and accept payments securely. It acts as a bridge between a business’s website, app, or point-of-sale (POS) system and the payment processing network, facilitating transactions across various channels, such as online, in-app, or in-person.

Payment gateways can be provided by banks or third-party providers that connect to one or more payment processors. The choice depends on your business needs, as gateways vary in functionality, supported payment methods, and integration options.

Types of Payment Gateways

Payment gateways are tailored to different business models. For instance:

Subscription businesses may require gateways that support recurring payments.
SaaS or marketplace platforms might need embedded payment solutions.
High-risk industries (e.g., airlines or gambling) often require gateways with a high-risk tolerance.

Selecting a gateway that aligns with your business’s specific requirements is critical.

How a Payment Gateway Works

Though payments are processed in seconds, the transaction involves several steps:

The customer initiates a purchase, and the business sends their payment details to the payment gateway.
The gateway forwards the information to the payment processor, which communicates with the card scheme (e.g., Visa, Mastercard).
The card scheme sends the details to the issuer (customer’s bank), which verifies and approves or declines the transaction.
The decision is relayed back through the card scheme, processor, and gateway to the business and customer.
If approved, funds are transferred from the customer’s bank to the acquirer (merchant account) and then to the business’s bank account.

Choosing the Best Payment Gateway for Your Business

Pricing

Payment gateways have varied pricing structures, such as percentage-based fees or fixed fees per transaction. Businesses with high transaction volumes may benefit from fixed-fee models to reduce costs. Additional fees, like setup or integration costs, or premium features (e.g., 3D Secure, fraud protection, or authorization optimization), should also be considered for their value to your business.

Support

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Security and Compliance

A secure and compliant payment gateway is non-negotiable to protect your business and customers. Key standards include:

PCI DSS: Ensures secure handling of credit card data, mandatory for businesses accepting card payments.
PSD3 (or PSD2/SCA): Applies to payments in the EU, requiring strong customer authentication. PSD3 is forthcoming, but PSD2 currently applies.
GDPR: Mandates consent-based handling of personal data for EU customers.

Guarantee

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How Finauren Achieves Top-Tier Security with Confidential Computing and Microsoft Azure AI

Finauren stands out as the most secure processing platform on the market by leveraging advanced technologies like confidential computing and Microsoft Azure AI.

Confidential computing, powered by Finauren’s proprietary FACT (Finauren Architecture for Confidential Transactions), creates hardware-based trusted execution environments that protect sensitive data while it’s being processed. This ensures that payment information remains encrypted in memory, preventing unauthorized access even from privileged users or cloud operators. By isolating computations in secure enclaves, Finauren provides cryptographically verifiable protection throughout the transaction lifecycle, making it resilient against sophisticated threats.

Integrated with Microsoft Azure AI, Finauren enhances its security posture through intelligent, real-time threat detection. Azure AI enables AI-driven fraud prevention, anti-money laundering (AML) screening, behavioral biometrics, and device fingerprinting. These features analyze transaction patterns, detect anomalies, and block fraudulent activities instantaneously, all while maintaining high authorization rates. The combination of Azure’s scalable AI capabilities with Finauren’s unified platform allows for data-driven insights that continuously improve security measures, ensuring compliance with standards like PCI DSS v4.0, SOC 2, ISO 27001, GDPR, and PSD2.

This synergy of confidential computing and Azure AI not only safeguards data in use but also future-proofs the platform against emerging threats, including post-quantum attacks, positioning Finauren as the leader in secure payment processing.