Best Payment Processing Software - Page 52

How Many Payment Processing Software Products Does G2 Track?

Total Products under this Category: 770

Category Stats (Oct 2026)

  • Average Rating: 4.36/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Worldpay (+1.74%) - Among all products in this category, Worldpay recorded the largest rating increase compared to last month

Last updated: October 16, 2026

How Does G2 Rank Payment Processing Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 23,000+ Authentic Reviews
  • 770+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Payment Processing Software

G2 Grid® for Payment Processing Software plotting products by satisfaction and market presence

Highlighted products: PayPal Payments, Amazon Pay for Business, Venmo, BILL AP/AR, Adyen Payments, PayPal Checkout, Nickel, and Stripe Payments.

Underlying data: [Grid® JSON](https://www.g2.com/categories/payment-processing/grids.json?focus%5B%5D=paypal&focus%5B%5D=amazon-pay-for-business&focus%5B%5D=paypal-venmo&focus%5B%5D=bill-ap-ar&focus%5B%5D=adyen-payments&focus%5B%5D=paypal-checkout&focus%5B%5D=nickel&focus%5B%5D=stripe-stripe-payments)

Zai

Zai is boldly transforming the future of financial services and powering our customers by making innovative financial services accessible to all. Our payment APIs help businesses manage multiple payment workflows and move funds, so they can pay and get paid without delays. We apply our real-time expertise to a reliable micro-service architecture to enable authentication, liquidity, payment and settlement with zero wait-times. We have over 170 employees, growing to 450 by 2025, and are expanding our presence across APAC, UK, USA and the Middle-East.

Who Is the Company Behind Zai?

Zift

Zift is a Payments-as-a-Service platform, also known as PayFac-as-a-Service, that lets software platforms embed payment processing into their systems and turn it into a high-margin revenue stream. Zift handles the underwriting, compliance, and risk infrastructure behind the scenes, offering card, ACH, Bank Bill Pay and point-of-sale processing plus merchant onboarding through a single integration. Merchants can use EMV-ready terminals with cloud-based or standalone operation. Zift reduces PCI compliance scope through tokenization, which securely stores payment data, and its Proxynization .js library, which converts custom payment forms into hosted fields. Zift's reporting API includes reconciliation tools so merchants can match transactions to deposits. Platforms can white label the experience or consume Zift's entire API within their own software.

Who Is the Company Behind Zift?

  • Seller: Zift
  • Year Founded: 2015
  • HQ Location: Spanish Fork , US
  • LinkedIn® Page: www.linkedin.com
    19 employees on LinkedIn®

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How it works

Zomentum Payments

Discover a new era of financial efficiency with Zomentum Payments. Our cutting-edge automated payment system offers a comprehensive solution to streamline your billing and payments process. Say goodbye to manual invoicing, payment uncertainties, and data security concerns. With Zomentum Payments, you can: - Automated Billing and Payments: Bid farewell to manual invoicing. Our automated system ensures accurate and timely billing, freeing you from repetitive tasks. - Enhanced Cash Flow: Experience a steady and predictable cash flow, with timely payments and streamlined invoicing, allowing you to fuel your business growth. - Global Expansion: Break down international barriers with our international payment capabilities. Reach clients around the world effortlessly. - Client portal: Dedicated portal for seamless payment method addition and invoice settlement. - Data Privacy: Your data is yours. We prioritize your privacy and ensure that your confidential information is safeguarded at all times. - Dedicated Customer Support: Our expert support team is here to assist you every step of the way. Have questions or need help? We've got you covered. Zomentum Payment’s automated billing software is transforming businesses of all sizes, providing a seamless and secure way to manage billing and payments. Experience efficiency, security, and growth like never before.

Who Is the Company Behind Zomentum Payments?

  • Seller: Zomentum
  • Year Founded: 2018
  • HQ Location: San Francisco, CA
  • LinkedIn® Page: www.linkedin.com
    59 employees on LinkedIn®

Zru

Zru is a unified payment infrastructure and orchestration platform that helps businesses connect, manage, and optimize multiple payment providers through a single integration. With Zru, merchants can enable alternative payment methods without code, orchestrate transactions to improve conversion rates and reduce costs, and customize their checkout experience to match their brand. Zru also supports marketplace operations, making it easy to manage complex payment flows, split payouts, and reconcile transactions in one centralized dashboard.

Who Is the Company Behind Zru?

  • Seller: Zru
  • Year Founded: 2017
  • HQ Location: Madrid, ES
  • LinkedIn® Page: www.linkedin.com
    9 employees on LinkedIn®
Subhransu Sahu
SS
Researched and written by Subhransu Sahu
Updated April 9, 2026