Compare Paynt vs. Stacks

Accept all payments quickly, securely, and easily. Accept card payments quickly and easily, no matter where you are selling. You can streamline the process of creating, sending, and tracking your invoices. Customer not available in person? Remote credit card payments can be made over the phone or via your computer. Get paid quickly Square makes it easy to create and grow an online store and accept online payments seamlessly with Square. Accepting cards is as easy, painless, secure, and fast as possible with Square. We don't charge extra, have no long-term contracts and are not able to use tricks. You can rely on fast, secure payments.

NMI Payments gives developers, SaaS builders, ISVs and ISOs a simple path to embedded payments. As a full-stack processor, acquirer, and technology partner, NMI enables you to integrate, brand, and manage payment acceptance within your platform—without becoming a PayFac or building complex infrastructure. The platform combines flexibility, scalability, and speed, offering white-labeled payments infrastructure that keeps your brand front and center. With omnichannel support for in-store, online, in-app, and unattended payments, you can deliver a consistent merchant experience across every touchpoint. NMI also manages onboarding, compliance, and risk, freeing your team to focus on innovation and customer growth. Developer-First Experience NMI’s developer-first environment puts full control in your hands. Build, test, and launch payments in a modern sandbox with clear documentation and ready-to-use code snippets. Guided onboarding flows and API recipes simplify integration, while low-code and no-code tools accelerate deployment. Business users can evaluate monetization options with instant revenue calculators and self-service sign-up. Whether you’re embedding payments for the first time or scaling across channels, NMI helps you go live faster, stay compliant, and grow with confidence

PayKings is a payment processing provider specializing in merchant account solutions for high-risk industries that often face challenges obtaining traditional payment services. The company offers a streamlined approval process powered by automated underwriting, allowing many businesses to gain access to payment processing capabilities within a short timeframe. Businesses can leverage merchant accounts, payment gateways, ACH processing, credit card processing, recurring billing, and virtual terminal solutions through a single provider. PayKings serves a broad range of industries, including adult entertainment, CBD, online gaming, firearms, debt settlement, travel, nutraceuticals, cryptocurrency, and other specialized markets. Fraud prevention tools and chargeback management services help businesses reduce risk while maintaining smooth transaction processing. The platform supports integration with leading gateways, eCommerce platforms, content management systems, and custom APIs. Dedicated account managers provide guidance throughout onboarding and ongoing operations, ensuring merchants receive industry-specific support. Transparent interchange-plus pricing models help businesses understand processing costs without hidden fees or long-term contractual commitments. PayKings enables high-risk businesses to access reliable payment infrastructure while supporting growth and operational stability.

Square POS is a simple, intuitive point-of sale (POS) solution. It provides a rich set of tools for inventory tracking, sales tracking, online payment processing and digital receipts. Square POS is available for Android and iOS devices. It records transactions offline by storing data locally, then automatically syncing information when there is an Internet connection. Square POS allows users to manage details such as names, prices and quantities. It also offers features such as a barcode scanner and discounts, credit card processing and gift cards, refunds and more.

EBizCharge is the leading embedded payments application for businesses to accept payments directly inside QuickBooks, Microsoft Dynamics, NetSuite, SAP, Acumatica, and 100+ other business systems. Trusted by 20,000 companies, EBizCharge combines modern billing tools with integrated payment processing to help B2B companies get invoices paid faster, eliminate manual work, and keep payment data automatically synced to their ERP. Companies use EBizCharge to: ◉ Accept credit card, debit card, and ACH payments natively inside ERP, CRM, or eCommerce platforms ◉ Speed up collections with easy billing tools: payment links, online customer portal, recurring billing, saved cards, and more ◉ Improve security and reduce risk with PCI-compliance, encryption, tokenization, fraud protection, and certified by the PCI-Security Council ⎯ HOW IT WORKS IN YOUR ERP, CRM, & E-COMMERCE PLATFORMS EBizCharge integrates natively with your ERP, CRM, or e-commerce platform through certified software connections, so payments work directly inside the system you already use. ⎯ FEATURES • Email payment links • Recurring billing • Secure online customer payment portal • Securely save cards • EMV terminals • Mobile payments • Ability to surcharge • Dedicated in-house support

Melio is an accounts payable platform designed to simplify bill payments, improve workflows, and maximize cash flow efficiency for businesses of all sizes. To get started, try all of Melio's features free for 30 days! You can pay vendors online using bank transfers or credit/debit cards—even if they only accept checks—while Melio takes care of the manual tasks. Integrate seamlessly with QuickBooks and Xero to keep your accounting up-to-date. Melio allows you to pay through bank transfer or card, helping you extend your cash flow and gain rewards. Enter vendor or bill details manually, upload, or snap a photo of the invoice—it’s that simple. Schedule payments according to your cash flow plan and let Melio manage them. Additionally, you can pay international vendors in their local currency for services and products. On-the-go? No problem, just get the Melio mobile app on iOS or Android to manage your payments, process approvals, and much more no matter where your business day takes you.

Regpack is an online onboarding, registration, and payments software used by thousands of organizations worldwide. Regpack works with a variety of businesses to automate their onboarding process, collect client information, and charge automatically for their services. Whether you're organizing an event, managing client billing, organizing a trip or camp, or offering courses and classes (virtual too!), Regpack can help you make your registration and payment processes a breeze with its unique technology and comprehensive set of features. Top features include recurring billing, payment plans, automated payment collection, custom form builder, built-in email tools, dynamic reporting, and more.

To create and send your custom invoices, you can choose from hundreds of invoice templates. Upload your logo to give your invoices a professional look. You can keep track of your invoices on both mobile and desktop devices. Use one of the supported payment channels to get paid immediately Avoid printing invoices on paper and instead email them to your customers. Invoicing $1000 worth of invoices each 30 days is free when you create an account. Invoice Home makes it easy to invoice. Sign up today!

Datagate is a SaaS and telecom billing solution for MSPs who sell UCaaS VoIP, mobile voice & data services. Datagate can be integrated with many popular software systems used by MSPs, including ConnectWise Manage and QuickBooks. Datagate & partners can handle all your telecom tax & compliance needs.

Framnex is a financial infrastructure and client monetization platform for businesses that want to launch branded financial products around existing customer relationships. The platform helps partners offer accounts, payments, FX, cards, wallets, payouts, money transfers, mobile banking apps, and digital asset products without becoming a bank or assembling fragmented infrastructure vendors. Framnex is built for companies that already serve clients with financial needs, including FX brokers, company formation firms, banking consultants, payment providers, digital asset platforms, marketplaces, and fintech startups. Partners can start with one financial product and expand into a broader ecosystem as client demand grows. The platform includes core banking, ledger, cards, payments, wallets, compliance, connectors, and developer capabilities. Framnex connects with banking, payments, cards, compliance, and digital asset infrastructure providers to support real financial product launches. Its guided implementation model helps partners define the business opportunity, design the product scope, configure the solution, integrate systems, test workflows, and prepare for production. The platform emphasizes enterprise-grade compliance, KYC and AML controls, transaction monitoring, regulatory support, security, and partner-first delivery. By combining white-label financial products, embedded finance, banking infrastructure, compliance workflows, cards, wallets, payments, FX, and guided launch support, Framnex helps businesses create recurring financial revenue under their own brand.