Payment Gateway Comparison: Choosing Between Stripe, PayPal, and Other Leading Solutions

As e-commerce continues to grow, the payment gateway market is thriving, with 2030 projections ranging from $40 billion (Mordor Intelligence) to $132 billion (Grand View Research). But conversion remains a major challenge. Nearly 70% of online shopping carts are abandoned before checkout, which translates into billions in lost revenue each year, often due to mandatory sign-ups, limited payment options, high fees, complicated checkout flows, or weak security signals. 

In this article, we review Stripe, PayPal, and leading solutions to help you pick the best payment gateway for your business needs, reducing friction at purchase, boosting conversion rates, and building customer trust.

What are payment gateways?

Payment gateways are secure services that act as middlemen, processing transactions between customers, businesses, and financial institutions. They enable businesses to accept credit and other payment methods securely and efficiently across websites, mobile apps, and even physical stores. 

What payment gateways do

Payment gateways handle different tasks e.g.:

• Checking funds (authorization): Before finalizing a sale, the gateway verifies if a customer has enough funds to pay for an ordered item. It’s used for orders that might take some time to ship or manufacture.
• Capturing funds: After confirming the order, the gateway collects the payment from the customer and sends it to the merchant’s account.
• Regular payments (sale): This combines both checks: verifying funds and then collecting them right away. It’s a regular payment for immediate purchases.
• Refunds: If a purchase needs to be canceled, the gateway returns the funds.
• Cancellations before transfer (void): It’s similar to a refund but can be done if the funds haven’t been processed yet.

Main types of payment gateways

There are four main types of payment gateways. Each of them offers different levels of control and integration complexity.

How do payment gateways work?

Payment gateways serve as secure intermediaries in online transactions. They manage the exchange of information and funds between merchants and customers. Here’s a simplified breakdown of this process:

1. Customer checkout: At checkout, customers proceed to the payment page. Here, they enter their payment information, including the 16-digit card number, cardholder name, expiration date, and CVV number.
2. Encryption and transmission: The payment gateway securely encrypts the customer’s card details and conducts a security check before forwarding them to the payment processor.
3. Authorization request: The payment processor acts as a bridge between the gateway and the customer’s bank. It sends an authorization request to the issuing bank to verify if the customer has sufficient funds and if the card is valid.
4. Authorization response: The issuing bank checks the customer’s account and sends an authorization response back to the processor. This response indicates whether the transaction is approved or declined.
5. Transaction processing and fund transfer: If approved, the processor sends a signal to the gateway to capture the funds from the customer’s account. The funds are then transferred from the customer’s bank to a merchant account held by the payment processor.
6. Confirmation and completion: Once the transfer is complete, the payment processor sends confirmation messages to both the merchant and the customer, finalizing the transaction. Typically, this entire procedure takes less than three seconds to complete.

Payment gateway integration: What to start with?

A smooth integration follows a few practical steps, from selecting a provider to testing and going live.

Step #1: Compare providers and choose the right gateway. Select a solution that matches business needs.

Step #2: Set up a merchant account if required. Some providers include this as part of the offering, while others require a separate account.

Step #3: Get API credentials and connect the website securely. Use API keys to enable safe communication between the website and the gateway.

Step #4: Choose the integration approach. Use a hosted payment page for a faster setup, or build a custom integration that sends payment data securely through the API. This is a common point of failure. Leveraging expert payment gateway integration strategies can prevent costly errors and optimize transaction flows.

Step #5: Plan the technical implementation carefully. A structured approach helps avoid errors and supports reliable transaction flows.

Step #6: Test end to end. Run test transactions to confirm success and failure scenarios work as expected.

Step #7: Launch on the live site. Switch to production credentials and monitor early transactions closely.

Choosing a payment gateway provider

When comparing payment processors, there are a few key factors to review before choosing a provider.

Transaction fees: Fees are often the first consideration, because the total cost can include several components and varies by transaction amount, location, and payment method. Compare fee structures to match your budget and expected transaction volume.

Supported payment methods: Consider the methods most popular with your target audience. Will they need credit cards, debit cards, mobile wallets, or maybe buy-now-pay-later options? 

Security: Look for a payment gateway that prioritizes security features like PCI compliance, data encryption, and fraud prevention tools. 

Global reach: Choose a gateway that supports international currencies and payment methods relevant to target markets. 

Ease of integration: For custom integrations, evaluate the complexity of the provider’s API and available resources for developers.

Customer support: Ensure that the payment gateway provider offers reliable customer assistance to handle any issues quickly, especially when dealing with sensitive data.

Need more recommendations? Read our article How to Select the Right Payment Partner: Boost Your Bottom Line and Customer Satisfaction

Popular payment gateway providers: Comparison overview

Let’s take a look at some of the most popular payment gateway providers.

PayPal

Currently, it operates in 200+ countries serving international customers and manages around 435 million accounts, handling over $1.68 trillion in cumulative user transactions. 

Features:

• Accepts payments via PayPal balance, bank transfers, and major cards such as Visa, Mastercard, and American Express.
• Offers flexible integration options, from simple checkout buttons and redirects to more tailored on-site checkout experiences.
• Uses built-in security and fraud prevention capabilities to support safer transactions.

Pricing:

• Fees vary by country, product, and transaction type (e.g., micropayments, platform usage, international payments).
• Standard merchant pricing is commonly shown as a percentage plus a fixed fee, with additional fees possible for currency conversion or cross-border transactions.
• Pricing is typically a percentage plus a fixed fee. For example, PayPal lists 2.9% + a fixed fee in some standard plans, with additional charges possible for currency conversion and cross-border payments. Find more information here.

Strengths:

• One of the simplest gateways to integrate into an online store, often with minimal development effort
• Flexible checkout options, from simple pay buttons and redirects to fully integrated checkout flows
• Widely recognized and trusted brand
• Strong security focus, including fraud prevention tools
• Free Standard Account, suitable for new and small businesses

Considerations:

• Complex and confusing pricing structure – transaction fees can be quite high for low-volume merchants.
• Only the most expensive version offers gateway customization.
• Often targeted by scammers.

Stripe 

Features:

• Accepts major payment methods and digital wallets, including Apple Pay and Google Pay, as well as buy-now-pay-later options such as Clearpay and Klarna.
• Supports 135+ currencies to enable international payments.
• Integrates with third-party systems, including shopping carts, invoicing tools, analytics platforms, and email tools.
• Fits well for mobile commerce and platform-based payment flows, suitable for both startups and established businesses.

Pricing: 

• Standard card fee: 2.9% + $0.30 per successful transaction and 2.7% + $0.05 for in-person payments.
• Manually entered card payments incur a higher rate of 3.4% + $0.30.
• Additional fees apply for international cards (+1.5%), currency conversion (+1%), and disputes ($15 per chargeback).
• More details: Full pricing available on Stripe’s website.

Strengths:

• Easy-to-use interface and a wide range of features
• Mobile payments
• Extensive integration with third-party platforms
• Greater flexibility and control over the payment experience
• Advanced customization
• Flexible options for large and growing businesses

Considerations:

• The fees might get expensive.
• Stripe has a history of freezing and terminating accounts.
• Limited merchant acceptance due to supporting only specific MCCs.
• Users have reported slow and sometimes unresponsive customer service.

Square

Square caters to businesses of all sizes, focusing on in-person payments and mobile commerce. It’s known for its user-friendly system which makes it a good option for businesses with limited technical expertise.

Features:

• Offers a range of POS hardware, including mobile card readers and countertop terminals, for in-person and on-the-go payments.
• Supports in-store and mobile-first selling through Square’s POS software and commerce tools.

Pricing: 

• Uses tiered pricing based on subscription plans: for online transactions, the Free plan charges 3.3% + 30 cents, while Plus ($49/month) and Premium ($149/month) subscribers pay 2.9% + 30 cents. 
• In-person transactions are 2.6% + 15 cents across all plans.
• More information about pricing here.

Strengths:

• Operates at scale, with more than 4 million sellers and $228 billion in Square GPV.
• Provides a basic plan (Square Free) with no monthly subscription cost.
• Uses a flat fee structure that is easy to forecast for standard transactions.
• No separate merchant account required; a dedicated bank account is sufficient.
• Shopify connectivity available via third-party connectors for catalog and inventory sync, when needed.

Considerations:

• The pricing structure might be less suitable for high-volume businesses.
• Limited customization options.
• Accounts can freeze due to irregular activity.
• Not for all industries; not recommended for high-risk businesses.

Authorize.net

Owned by Visa, Authorize.net is used by over 430,000 merchants. It provides dedicated merchant accounts through its network of partner banks and processes 1.2 billion transactions annually, serving as the most widely integrated payment gateway among US merchant acquirers (partnering with 41% of providers)

Features:

• Offers two options: Gateway Only for businesses with an existing merchant account, or All-in-One with a merchant account included through a partner.
• Accepts all major credit cards and digital payment solutions.
• Provides a range of additional services like fraud detection, recurring billing, invoicing, and advanced reporting features.
• Includes Advanced Fraud Detection Suite with 13 configurable fraud filters.

Pricing: 

• All-in-One: $25/month + 2.9% + $0.30 per transaction (subject to eligibility).
• Gateway Only: $25/month + $0.10 per transaction + $0.10 daily batch fee.
• More information about pricing here.

Strengths:

• Strong fraud controls.
• Updated Merchant Interface (2.0) with a redesigned dashboard and usability improvements. 
• Flexible setup for businesses that prefer a gateway connected to a merchant account provider.

Considerations:

• Predominantly caters to US businesses.
• Need to have or set up a separate merchant account for each currency.
• Requires more setup effort.
• Fees can add up for high-risk or international merchants.

2Checkout

Acquired by Verifone in 2020, 2Checkout competes directly with PayPal and Stripe. 

Features:

• Supports payments from 200+ countries/territories, with 100 billing currencies and 45+ payment methods.
• Offers hosted checkout options and API-based integrations, depending on the selected approach and plan.
• Includes subscription billing features for recurring revenue workflows.
• Enables abandoned cart follow-up emails to help recover incomplete purchases.

Pricing: 

• The fees start at 3.5% plus 35 cents per transaction. 
• More details about pricing here.

Strengths:

• Variety of payment methods.
• Flexible integration – allows both a hosted checkout (2Sell) and API-driven integration (2Monetize).
• Improved subscription APIs and abandoned cart recovery.
• Customizable checkout options (Merchants can tailor checkout pages, promotions, and tax rules).

Considerations:

• Requires developers to integrate.
• The starting fee level can be higher than some PSP-only alternatives, especially at higher volumes.
• Capabilities and pricing vary by plan, so plan selection matters for feature access.

Amazon Pay

Launched in 2007, ​​Amazon Pay is designed to make online payments fast, familiar, and secure for customers and merchants.

Features:

• Supports major credit cards and common online payment methods through Amazon Pay checkout.
• Works smoothly across devices, with a strong focus on mobile use.
• Includes fraud protection as part of the Amazon Pay merchant account.
• Uses a straightforward API, with free plugins available through many e-commerce platforms and solution providers.

Pricing: 

• The base transaction costs for processing payments through Amazon Pay is 2.9% of the transaction amount. 
• There’s also a fixed fee based on the currency used. 
• More pricing details on Amazon Pay’s website.

Strengths:

• Global reach and strong brand recognition, which helps build trust at checkout.
• Fast integration with e-commerce platforms through pre-built plugins and a mobile-optimized flow.
• Security and compliance focus (PCI DSS compliant).
• Fraud protection included with the merchant account.

Considerations:

• Doesn’t offer tools for in-person transactions.
• No support for high-risk businesses.
• Quick to hold or freeze funds.

PayU

PayU focuses on helping merchants improve conversion in markets where local payment preferences and trust requirements vary widely.

Features:

• Processes payments in local currencies across 50+ markets.
• Supports multiple payment types, including credit cards, e-wallets, bank transfers, and cash payments.
• Applies fraud controls that combine machine learning with manual review.
• Offers configurable capabilities such as invoicing, subscription management, and real-time analytics.

Pricing: 

• PayU charges a registration fee and 2,3% of the transaction amount.
• There’s also a fixed fee per transaction based on the currency used. 
• More details on the PayU’s website.

Strengths:

• Strong fit for local and high-growth regions.
• Local-currency processing that matches customer preferences and can improve checkout completion.
• Broad method coverage and solid fraud controls for markets with diverse payment behaviors.

Considerations:

• Advanced features (such as subscription management or cross-border authentication) may require developer expertise.
• Limited multilingual support for smaller markets.
• Sometimes it takes a long time to confirm transactions.

Paybynet 

For businesses operating within Poland, Paybynet is worth mentioning. 

Features:

• Processes online payments directly from customer bank accounts for e-commerce transactions.
• Supports online payments for administrative and government-related fees.

Strengths:

• Faster transaction completion compared to many card-based gateways.
• Strong fit for businesses operating within Poland, especially where bank-transfer payments are preferred.

Choosing the right payment gateway depends on the business model, technical resources, and customer needs. 

Here’s a quick comparison of leading payment gateways with their main advantages, drawbacks, and the types of businesses they serve best:

Conclusion

Undeniably, payment integration solutions are the backbone of online businesses in the modern e-commerce sector. So, a well-chosen payment gateway, with the right features and a focus on security, can provide customers with a seamless checkout experience and unlock your full sales potential. Choosing the right payment gateway can be a game-changer for the e-commerce business. Whether it’s Stripe, PayPal, or more, we at Neontri can help you integrate the best 3-d party solution that aligns with your needs.

FAQ

What is better for small businesses PayPal vs Stripe?

For small businesses or startups, PayPal may be the right choice. It makes setting up a business account easy and allows for a quick start. Stripe is more suitable for big, well-established companies because it provides more complex options for payment customization.

What is better for e-commerce: Stripe or PayPal?

When it comes to e-commerce, both PayPal and Stripe seem to be viable options. Stripe is a strong option for businesses that need customization and advanced payment features, and have the technical resources to support them. It offers a more tailored checkout experience and additional tools. PayPal, on the other hand, is a widely-recognized brand and it’s rather easy to integrate. This makes it better for companies that prioritize ease of use, quick setup, and leveraging consumer trust.

What are international fees for PayPal vs Stripe?

Stripe applies a fee of 2.9% plus 30 cents for every successful transaction, and adds a 1.5% fee for international transactions. There’s also an extra 1% fee if the currency needs to be converted. PayPal charges 4.4% plus a fixed fee for international transactions, with the percentage varying by country. Its currency conversion rate is typically 3-4% above the base exchange rate.

Compared to Stripe, PayPal generally has higher fees for international transactions and currency conversion. Stripe offers a more competitive rate, especially for businesses that process a high volume of payments in the international markets.

Is Stripe the best payment gateway?

Stripe is a leading payment gateway that offers great flexibility, advanced features, and transparent pricing. It’s ideal for businesses that need a customizable solution and can handle technical setup. 

Is PayPal a payment gateway or processor?

PayPal functions as both a payment gateway and a payment processor. As a gateway, it facilitates the secure transfer of payment information. As a processor, it handles the actual processing of the transaction between the merchant and the buyer.

Which payment gateway offers the best customization options?

Stripe offers the most advanced options, with tools like Stripe Elements for branded checkout design and APIs for tailored payment flows. Authorize.net also provides high flexibility with its developer tools, however it requires more technical expertise. For simpler setups, PayPal offers basic customization but focuses more on ease of use.

What are the best Magento payment gateway options for online stores?

For Magento (Adobe Commerce), the most common choices are PayPal, Stripe, Braintree, Adyen, and Authorize.net. These providers typically offer solid Magento integrations, strong security, and support for cards and digital wallets. The best option depends on target markets, currencies, and whether subscriptions or marketplace payouts are needed.

What should I consider when choosing a digital money service?

Start with security and regulatory compliance (fraud controls, encryption, clear licensing). Compare the full cost (transaction fees, FX rates, chargeback fees, payouts) and check payout speed and country/currency coverage. Also review API/integration quality, reporting, and the level of customer support for payment issues.

Sources

https://www.paycec.com/faq/what-is-payu-payment-gateway
https://www.bigcommerce.com/articles/ecommerce/abandoned-carts/
https://www.globenewswire.com/news-release/2022/10/13/2534361/0/en/Payment-Gateway-Market-Size-is-expected-to-reach-at-USD-106-4-Billion-by-2030-registering-a-CAGR-of-16-8-Owing-to-Increasing-Financial-Literacy-across-the-Globe.html