Best Payment Processing Tools in 2026

PayPal is a global digital payments platform that enables individuals and businesses to send, receive, and accept money online and in person. It supports credit and debit card processing, bank transfers, peer-to-peer payments, invoicing, and buy-now-pay-later options across 200+ markets. Businesses use PayPal Checkout to accept payments on websites and apps, while the point-of-sale system handles in-person transactions via card readers and tap-to-pay. With buyer and seller protection programs, fraud monitoring, and integrations with major e-commerce platforms, PayPal serves everyone from freelancers to enterprise merchants processing millions in transactions.

Eventbrite powers event discovery and ticketing for everything from local workshops to major concerts. Organizers create event pages, sell tickets, and manage check-ins while attendees discover experiences in their area. The platform handles payments, refunds, and analytics so event creators can focus on delivering great experiences.

Stripe is a financial infrastructure platform for internet businesses. Accept payments from anyone, anywhere. Billing handles subscriptions and invoicing. Connect powers marketplace payments. Treasury provides banking as a service. The payments infrastructure that powers millions of businesses from startups to Fortune 500 companies.

Lillio, formerly HiMama, is a comprehensive childcare management software designed to streamline operations for daycare centers and early childhood programs. It helps directors and educators manage administrative tasks, simplify payment processing, and deliver developmentally appropriate curriculum aligned with state standards. The platform aims to save time on manual processes, allowing staff to focus more on engaging with children and providing quality education. Lillio enhances communication between centers and families by providing tools for sharing daily updates, photos, and videos. This fosters greater parent satisfaction and engagement by offering insights into a child's day and developmental progress. The software is built to support the growth and quality of early childhood programs, offering features that benefit educators, directors, and parents alike. The platform is trusted by thousands of childcare centers and is known for its world-class customer support, including dedicated account managers and an award-winning onboarding team. It aims to improve efficiency, parent communication, and curriculum delivery within early learning environments.

Bill.com automates accounts payable and receivable for businesses. Invoices come in, get approved through workflows, and payments go out-without manual data entry or check writing. Vendor management centralizes supplier information. Approval workflows route to the right people. The audit trail shows who approved what. Finance teams drowning in manual payment processes use Bill.com to move money efficiently with proper controls and visibility.

Square processes payments for businesses. The payment solution that started with a card reader-payments that work everywhere. The simplicity defined the category. The features have grown. The ecosystem is complete. Businesses accepting payments often consider Square for complete commerce solution.

Brex provides corporate cards and spend management designed for startups and tech companies. No personal guarantee required. Rewards earn on categories startups actually spend on. Controls prevent expense policy violations. The software handles expense management, bill pay, and travel booking. Real-time visibility shows where money goes. Integrations connect to accounting systems. Startups tired of traditional corporate cards with personal liability choose Brex for modern financial tools built for how they operate.

Zeffy is a comprehensive, 100% free fundraising software designed specifically for nonprofits. It offers a wide array of tools to manage various fundraising activities, including donations, event ticketing, raffles, auctions, online stores, peer-to-peer campaigns, and memberships. The platform aims to maximize the funds raised by nonprofits by eliminating all transaction and platform fees, ensuring that organizations keep 100% of every dollar donated. This platform is ideal for any nonprofit organization looking for a robust and cost-effective solution to manage their fundraising efforts. It simplifies the process of collecting payments, tracking donor information, and automating administrative tasks like tax receipts. Zeffy's unique business model relies on optional tips from donors to cover its operational costs, making it a truly free solution for charities of all sizes.

Toast POS is a comprehensive, cloud-based point-of-sale system specifically designed for restaurants. It offers a wide range of functionalities that go beyond basic transaction processing, aiming to streamline operations for various restaurant types, from quick-service to fine dining. The platform integrates front-of-house tools like order entry, payment processing, and table management with back-of-house features such as kitchen display systems (KDS), inventory management, and employee management. Beyond core POS functions, Toast provides integrated solutions for online ordering, delivery management, loyalty programs, and gift cards, helping restaurants expand their reach and enhance customer engagement. It also offers reporting and analytics tools to give owners and managers insights into sales, labor costs, and other key performance indicators. Toast is built on an Android-based hardware ecosystem, providing durable and purpose-built devices for the demanding restaurant environment. It caters to a broad spectrum of restaurant businesses looking for a unified platform to manage their entire operation.

Emburse Spend is a comprehensive spend management platform that leverages purpose-built AI to provide real-time visibility and control over an organization's expenses, travel, invoices, and payments. It automates critical financial processes from receipt creation to reimbursement, ensuring compliance, accuracy, and proactive fraud prevention. The platform is designed for finance teams and organizations of all sizes, offering solutions tailored for small to mid-size companies, mid-size to large companies in Europe, and global enterprises. The core functionality of Emburse Spend revolves around its AI-driven intelligence, which automatically captures, categorizes, and validates spend, enforces policies before submission, and adapts to global tax and currency rules. This transforms spend management from a reactive process to a strategic one, enabling smarter forecasting, risk reduction, and data-driven decision-making. The platform offers a unified mobile experience for managing all aspects of travel and expense, making it convenient for employees and providing finance teams with end-to-end visibility and control.