Best Payment Processing Software - Page 66

How Many Payment Processing Software Products Does G2 Track?

Total Products under this Category: 988

Category Stats (Nov 2026)

  • Average Rating: 4.36/5 (↓0.01 vs Oct 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: MoonClerk (+2.32%) - Among all products in this category, MoonClerk recorded the largest rating increase compared to last month

Last updated: November 01, 2026

How Does G2 Rank Payment Processing Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 25,300+ Authentic Reviews
  • 988+ 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, GCPay, BILL AP/AR, PayPal Checkout, Adyen Payments, and Nickel.

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=gcpay&focus%5B%5D=bill-ap-ar&focus%5B%5D=paypal-checkout&focus%5B%5D=adyen-payments&focus%5B%5D=nickel)

Yak Pay

Who Is the Company Behind Yak Pay?

  • Seller: Yak Pay
  • Year Founded: 2012
  • HQ Location: Camberwell, AU
  • LinkedIn® Page: www.linkedin.com
    27 employees on LinkedIn®

Yapily

Yapily is Europe’s leading open banking infrastructure platform solving a fundamental problem in financial services today: access. We securely connect our customers to thousands of banks across Europe, allowing them to access financial data and initiate payments. Yapily’s customers range from disruptive fintechs to industry leaders operating in a number of verticals. To date, we've raised $69.4 million in funding, and employ over 200 people worldwide as we continue to scale across Europe.

Average Rating: 4.2/5.0

Total Reviews: 3

Who Is the Company Behind Yapily?

  • Seller: Yapily
  • Year Founded: 2017
  • HQ Location: London, GB
  • Twitter: @YapilyLtd
    914 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    143 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Medium, 33% Large

What Are Recent G2 Reviews of Yapily?

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How it works

Yaspa

Yaspa is an award-winning fintech that connects identity and money to simplify - and accelerate - the way we pay. Founded in 2017 by a former Worldpay CTO, Yaspa uses open banking to provide instant bank payments that are faster, more secure and more cost-effective than cards, and to help regulated businesses seamlessly verify customers and their payments. Yaspa operates across the UK and Europe, is regulated by the UK’s Financial Conduct Authority, and is backed by leading investors including Fin Capital, SGH Capital & Metavallon VC. Most recently, Yaspa was awarded a government grant for its Safer Gambling payments and AI platform by Innovate UK, the UK’s innovation agency. Yaspa's uses open banking to provide instant bank payments that are faster, more secure and more cost-effective than cards, and to help regulated businesses verify customers and their payments - delivering seamless risk-rated conversions and reducing fraud. Some of Yaspa's core product modules include: Instant Payments - Let customers make instant bank payments without cards, apps or the need for cash. - Yaspa enables fast and secure direct account-to-account payments, eliminating intermediaries. - By using bank verification instead of cards, Yaspa transactions are protected against card-based fraud. Instant Payouts - Make payouts instantly: Pay your customers in real-time and allow instant withdrawals with straight-through payouts, or set up an approval process for extra security. - No rekeying required: Your customers' accounts come fully verified, so you can make payments confidently - and meet your compliance obligations. - Flexible integration: Manage your payouts and cash flow through the Yaspa dashboard, or integrate directly into your existing systems and processes. Account Verification - Ensure secure payments to verified accounts using real-time biometric authentication. - Streamline anti-fraud measures and payment setup with quick account verification. - Obtain bank-verified customer data for KYC and SCA during the payment process. - Accelerate onboarding with pre-filled, accurate account data directly from the user's banking app. Verification Plus - Instant affordability checks. - ‘Pan-merchant’ analysis. - Vulnerability detection. - Suspicious behaviour alerts. - Dedicated Verification Plus dashboard. - Frictionless process at the point of payment. Virtual Accounts (vIBANs) - Instant payments: Make low-cost payments to your Yaspa vIBAN with real-time status updates. - Multiple accounts: Create virtual accounts tailored to your business, with multi-currency and Forex options. - API integration: Seamlessly integrate with your systems via API for easy virtual account management.

Who Is the Company Behind Yaspa?

Yuno

Yuno has developed payment infrastructure technology that integrates the business into the payment and fraud ecosystem, enabling enterprises to manage all payment methods and fraud providers through a single integration

Who Is the Company Behind Yuno?

  • Seller: Yuno
  • Year Founded: 2022
  • HQ Location: Bogotá, CO
  • LinkedIn® Page: www.linkedin.com
    319 employees on LinkedIn®

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?

Zelis

Zelis is modernizing the business of healthcare by building something remarkable: a connected platform that bridges gaps in the financial system and aligns interests across healthcare insurers, providers, and consumers. Our platform is transforming the financial experience for more than 700 payers, including the top-5 national health plans, BCBS insurers, regional health plans, TPAs and self-insured employers, and millions of providers and members. We see across the financial experience to identify, optimize, and solve problems holistically with technology built by healthcare experts — driving real, measurable results for our clients.

Average Rating: 3.8/5.0

Total Reviews: 19

How Do G2 Users Rate Zelis?

  • Has the product been a good partner in doing business?: 6.7/10 (Category avg: 8.8/10)

Who Is the Company Behind Zelis?

  • Seller: Zelis
  • Year Founded: 2016
  • HQ Location: Bedminister, NJ
  • Twitter: @ZelisHealthcare
    456 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    3,068 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Hospital & Health Care
  • Company Size: 42% Small, 37% Medium

What Do G2 Reviewers Say About Zelis?

AI-generated summary from verified user reviews

Pros
  • Users value the quick response time of Zelis representatives, noting their support and knowledgeable assistance.
  • Users commend the professionalism and responsiveness of Zelis staff, enhancing their overall experience and support.
  • Users value the easy customization process in Zelis, especially appreciating the smooth setup and efficient file transmission.
  • Users find Zelis easy to use, with smoother setup and integration for efficient payment processing.
  • Users appreciate the quick and knowledgeable support from Zelis representatives, enhancing their overall experience and satisfaction.
Cons
  • Users face scheduling issues due to long wait times during enrollment, which can complicate the process.

What Are Recent G2 Reviews of Zelis?

What Are G2 Users Discussing About Zelis?

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®

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