Find 17 Best Payment Processing Software with API Integration in July 2026

What is Wallester?

Wallester is a financial technology company that revolutionizes expense management for businesses, offering an innovative approach to optimizing corporate finances. As an official Visa partner, Wallester Business provides a seamless solution for issuing corporate cards tailored to various ...

What is ePayPolicy?

ePayPolicy offers secure, efficient online payment solutions tailored to the unique needs of the insurance industry. Designed to eliminate the complexities of payment processing, ePayPolicy provides a seamless platform for agencies, brokers, MGAs, premium finance companies, and carriers to ...

What is Marqeta?

Marqeta is pioneering the world of card issuing and payment processing. Introducing an open API platform to increase speed and efficiency - Marqeta provides an innovative payment experience across various apps and services you use daily. We have designed our platform from the ground up, ...

What is inai?

Inai is the perfect platform for global payment integration that helps maximise profits for businesses. Its founders have extensive entrepreneurial and investor experience, and offer a range of flexible business and pricing models. There’s no coding necessary - businesses can use the payment ...

What is Wisetack?

Wisetack is an embedded consumer financing platform that lets businesses offer buy-now, pay-later options for in-person services. The API-driven integration handles the sign-up flow and customer experience end-to-end, so businesses can add financing without building custom payment infrastructure.

What is Duffel Payments?

Duffel Payments, the newest offering from our SaaS Aggregator company, allows you to effortlessly sell flights and streamline your travel business. Gone are the days of complex and expensive upfront costs - Duffel Payments enables you to charge your customers directly through our easy-to-use ...

What is Rapyd Collect?

Rapyd Collect: Revolutionizing Global Commerce Rapyd Collect is a game-changing product that empowers businesses to thrive in any local market across the globe. With our fintech-as-a-service platform, businesses can now easily integrate localized fintech and payment capabilities into their ...

What is Zai?

Zai, the ultimate revenue management platform, simplifies payment automation and boosts operational savings with its powerful APIs. With just a single API, Zai seamlessly integrates multiple payment systems, streamlining payments and settlements. Bid goodbye to resource strain and complexity ...

What is Dots?

Introducing Dots: the ultimate process automation platform for your business. Say goodbye to tedious manual tasks and multiple payment processors, because Dots streamlines everything with just a single API. No more wasting time on onboarding or managing payments, as Dots handles it all ...

What is PAYZE?

PAYZE is a user-friendly online payment processing platform that simplifies the process of accepting payments. With its intuitive API, you can easily offer multiple payment options to your customers and even split payments between multiple merchants. Say goodbye to time-consuming manual payment ...

What is Omise?

Omise is a payment gateway platform built for e-commerce businesses and payment service providers in Southeast Asia — primarily Thailand, Japan, and Singapore — that need scalable, PCI-compliant payment infrastructure. It handles card processing, real-time fraud detection, and multi-currency ...

What is Nuvei?

Nuvei is a cloud-based SaaS payment processing system for business that combines the power and flexibility of API-based transaction processing with the simplicity of traditional online Point-of-Sale (POS) systems. In addition to its flexible API, Nuvei supports familiar POS interfaces such as ...

What is CardWatch?

CardWatch is a payment processing component library built for software developers and IT teams that need to embed card acceptance and transaction management directly into Microsoft .NET business applications. It gives development teams programmatic control over payment workflows without routing ...

What is Pin Payments?

Pin Payments is a feature-rich, secure, inexpensive, easy-to-install credit card processing application designed for small and e-commerce businesses.It is a very scalable and flexible platform that can operate with minimal staff overhead and provide the maximum security with rigorous PCI ...

What is GoCardless?

GoCardless is a bank payment platform for collecting recurring payments directly from customers' bank accounts, using Direct Debit, ACH, Bacs, SEPA and open banking rather than card networks. It is built for subscriptions, invoicing, instalments and any business billing the same customers ...

What is WePay?

WePay is an all-in-one payment processing software. The platform enables merchants of all sizes, from small to large, to process credit and debit cards, online and offline payments in a number of different countries. We Pay can integrate with a variety of platforms that include Salesforce ...

What is Venmo for Business?

Venmo for Business is a powerful next-generation solution that provides merchants with the ability to process credit and debit cards, as well assist with customer service, sales, marketing, and informational data. Based upon a robust and powerful platform, Venmo is a Software-as-a-Service ...