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7 Best Ecommerce Payment Gateways

A payment gateway is the backbone of any ecommerce setup, connecting your site with payment processors to accept online payments securely and efficiently. Beyond just handling transactions, the best payment gateway for ecommerce also enhances user experience, protects against fraud, and supports global sales.

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5 May 2025

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What Are High-Risk Payments Processors and How Do They Work?

If you’re managing a high-risk business, it’s important to invest in a trustworthy payment processor who will do everything they can to keep your transactions and funds safe. High-risk payment processors exist to help businesses keep their money safe from fraudulent attacks and skyrocketing chargebacks.

Choosing the best ecommerce payment gateway depends on your business type, sales volume, and growth plans. B2B and B2C businesses have different needs; what works for a high-volume B2C store might not fit a B2B operation. 

Let’s explore what to look for and the top platforms for 2025.

What Makes a Great Ecommerce Payment Gateway?

A top-tier eCommerce merchant account ensures secure, fast payments, integrates seamlessly, and grows with your business.

Transaction Fees and Processing Rates

Processing fees vary. Helcim, for example, uses Interchange Plus pricing, with an average rate of 1.9% + $0.25 per transaction. As sales increase, fees drop, which is ideal for high-volume stores. Some platforms allow surcharging to pass fees to customers, but be cautious as this can impact satisfaction.

Security and Compliance 

The best online payment gateway for ecommerce stays updated on eCommerce payment trends and meets PCI-DSS standards to keep customer data safe. This saves you from investing heavily in security tools and gives peace of mind. Look for gateways that are transparent, avoid hidden fees, and offer strong data encryption.

Integration with eCommerce Platforms

Shopify Payments integrates directly into Shopify, simplifying setup. Hosted and API-hosted options offer flexible integration with major platforms. Choosing the best payment gateway for your ecommerce website means ensuring smooth compatibility with your existing tools.

Global Payment Capabilities and Multi-currency Support

If you sell internationally, the best e-Commerce payment processing supports multi-currency transactions and complies with global standards. This reduces cart abandonment and boosts conversions by letting customers pay in their local currency.

Fraud Protection and Chargeback Management

Strong fraud prevention is non-negotiable. Look for features like AI-powered fraud filters, clear pricing display, and data capture at checkout. Accepting multiple payment methods and offering options like Buy Now, Pay Later can also reduce chargebacks.

Customer Support and Onboarding Experience

Efficient onboarding and responsive support are crucial. PayPal and Shopify Payments offer fast setup and user-friendly interfaces. A gateway with great support helps you resolve issues quickly and scale confidently.

Vellis (Top Pick for 2025)

Vellis leads in 2025 with ultra-fast processing, AI fraud detection, and seamless platform integration.

  • Real-time reporting & blazing-fast processing: Track sales as they happen and speed up the checkout process.
  • Global reach with multi-currency and multi-language support: Reach more customers worldwide and reduce cart abandonment.
  • AI-powered fraud detection: Smart fraud prevention protects you and your customers.
  • Effortless integration: Works smoothly with top ecommerce platforms.
  • Competitive pricing for B2B & B2C: Flexible pricing makes it a smart pick for growing businesses.

If you’re after the best payment gateway for an ecommerce website, Vellis checks all the boxes.

Stripe

Stripe is ideal for tech-savvy teams needing custom checkout flows.

  • Developer-friendly APIs: Perfect for customizing the checkout experience.
  • Global support: Accepts 135+ currencies and operates in 46+ countries.
  • Recurring billing: Great for subscription-based models.

Stripe remains a strong contender for the best online payment gateway for ecommerce businesses aiming to scale globally.

Adyen

A solid all-in-one platform, especially for large enterprises.

  • Supports eCommerce, POS & Unified Commerce: Centralizes online and in-store payments.
  • High Security & PCI Compliance: Perfect for enterprise needs.
  • Strong in Europe: Supports 200+ payment methods and 180+ currencies.

Adyen stands out for businesses needing an enterprise-grade, international-ready gateway.

PayPal Commerce Platform

A household name trusted by merchants and consumers alike.

  • Fast Onboarding: Get started quickly and easily.
  • Global Reach: Operates in 200+ countries, supports 25 currencies.
  • Credit Options & One-click Checkout: Enhance the customer experience and drive conversions.

PayPal remains one of the best ecommerce payment gateways for businesses of all sizes.

Authorize. Net

Backed by Visa, it’s a reliable choice for North American SMBs.

  • Recurring billing & virtual terminals: Ideal for subscription models and manual orders.
  • Fraud detection tools: Keeps your transactions safe.

With strong Visa backing, Authorize.Net is a dependable, secure choice.

Square

Great for businesses with both online and physical storefronts.

  • No Monthly Fees & Transparent Pricing: Easy budgeting for small to mid-sized businesses.
  • Omnichannel Support: Accepts online, in-person, and even Cash App payments.
  • Built-in eCommerce Tools: Sell directly from your site or social channels.

Square offers a flexible, cost-effective solution for growing ecommerce brands.

Checkout.com

Best suited for fast-growing global businesses needing customization.

  • Supports 150+ Currencies: Ideal for international sales.
  • Enterprise-level Customization: Tailor your checkout to complex business needs.
  • Advanced Fraud Protection: Keeps your transactions secure at scale.

Checkout.com is a top pick if your focus is global reach and high-volume sales.

How to Choose the Best Payment Gateway for Your Business

Selecting the right payment gateway requires a clear understanding of your business model and transaction flow.

  • Know Your Business Model (B2B vs. B2C): B2B businesses need more robust security and larger transaction support. B2C models prioritize speed and diverse payment options.
  • Check Global Readiness: Does the gateway support your target regions? Look for multi-currency, multi-language, and international compliance.
  • Consider Integration: Choose a gateway that plugs easily into your ecommerce stack – shopping cart, inventory, accounting, and CRM.
  • Compare Fees and Settlement Times: Transaction fees and how fast you get paid matter. Gateways like Helcim offer better deals for high-volume sellers.
  • Prioritize Scalability and Security: Pick a gateway that can grow with you and protect you against fraud, ensuring a smooth ride as your sales scale.

The best ecommerce payment gateway isn’t a one-size-fits-all solution. Your business size, target markets, and tech setup will guide the right choice. Whether you prioritize global reach, low fees, or ease of use, there’s a solution that fits. Choose wisely and sell smarter.

Frequently Asked Questions (FAQs)

What is the best payment gateway for ecommerce in 2025?

The top option for 2025 is Vellis due to its global reach, fast transactions, and advanced fraud detection.

How do I integrate a payment gateway into my ecommerce website?

Most gateways provide plugins or APIs compatible with ecommerce platforms like Shopify, Magento, and WooCommerce.

What is the difference between a payment gateway and a merchant account?

A payment gateway facilitates the transaction, while a merchant account holds the funds before they’re deposited into your bank.

Is it possible to use multiple payment gateways?

Yes, many ecommerce stores integrate multiple gateways to offer customers more flexibility and improve conversion rates.

What fees should I expect with an ecommerce payment gateway?

Expect transaction fees (1.4%–3.5%), monthly fees (optional), and chargeback or refund fees, depending on the provider.

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© 2025 Vellis Inc.

Vellis Inc. is authorized as a Money Services Business by FINTRAC (Financial Transactions and Reports Analysis Centre of Canada) number M24204235. Vellis Inc. is a company registered in Canada, number 1000610768, headquartered at 30 Eglinton Avenue West, Mississauga, Ontario L5R3E7, Canada.