Best Custom Payment Products in 2026

FlexiPay Gateway for WooCommerce adds flexible custom payment methods to WooCommerce, making it easy to offer tailored payment options for your online store.

Key Flexipay Gateway For Woocommerce features:

Payment Gateway Type Custom Gateways UPI QR Code Custom Payment Instructions

free $29 / Annually (Pro: Use on up to 2 domains , Agency: Use on up to 5 domains)

EU VAT and OSS preparation for creators and small SaaS. Brings your sales from each platform into one view, applies the right VAT rate per country, and prepares quarterly OSS figures for you or your accountant to review and file.

Visit website freemium €19 / Monthly (Free tier. Paid plans €19, €79 and from €249 per month) Sponsored

Make Credit Card or eCheck payments using the AffiniPay Payment Gateway from any page on your website.

Accept bitcoin payments on your Wordpress WooCommerce website.

Payment gateway providing buy now buttons, shopping carts, and more to accept Bitcoin, Litecoin, and other cryptocurrencies/altcoins on your website/online store.

Key CoinPayments features:

Wide Range of Supported Cryptocurrencies Global Reach Shopping Cart Plugins Low Transaction Fees

eCommerce fulfillment network for next-day ground delivery.

Key FLEXE Next Day Delivery features:

Speed Scalability Network Optimization Reduced Capital Expenditure

Flex is a standalone calculation engine that can be easily integrated into your products and services. This ecosystem spans from wholesalers to retailers, brokers to vendors, credit industry experts to Fintech solution providers.

Key Flexengine.io features:

Scalability User-Friendly Interface Customizability Integration Capabilities

Flexilay brings modern LayBy and invoice payment plans to your store — let customers pay over time with zero lending risk. Not BNPL. Powered by Stripe.

Key FlexiLay features:

Merchant Dashboard Customer Portal Multi-Platform Flexible Schedules

free

FlexOffers.com is an affiliate marketing network that provides comprehensive solutions to both advertisers and publishers via multiple marketing options.

Key FlexOffers.com features:

Wide Range of Advertisers Competitive Payout Rates Timely Payments User-Friendly Interface

FlexTrac is an intellectual property software technology solutions provider that offers economically priced installed and web-based solutions.

Key FlexTrac IP features:

Customizable Workflows Cloud Integration User-Friendly Interface Comprehensive Reporting Tools

FlexWage is a platform that offers payment solutions, loans, and financial wellness programs to every common man.

Key FlexWage features:

Access to Earned Wages Financial Wellness Tools Reduced Need for Payday Loans Improved Employee Satisfaction

Innovation, Experience and Scale​.

Key FSS Payment Gateway features:

Comprehensive Solution Security Scalability Customization

Free WooCommerce plug-in to accept payments in crypto.

Key Paytomat Crypto Gateway features:

Multiple Cryptocurrency Support Easy Integration No Middleman Fees Decentralized Payments

Cross-border payment gateway for enterprises.

Key xPay features:

Streamlined Checkout Experience Multiple Payment Method Support Integration Capabilities Security Features