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Payment Processing Software Integrated with Mailchimp (2026)

Last updated: April 2026

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41 software options

Chargebee logo

Chargebee

Subscription management and recurring billing software

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Start accepting payments within minutes from anywhere in the world with out-of-the-box integrations with 23+ payment gateways and 100+ currencies. Accept payments via credit cards, Direct Debit, and digital wallets like Worldpay, Amazon Pay, and Apple Pay.

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Stax logo

Stax

All-In-One Payment Processing Platform

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Stax delivers seamless payment processing and scalable embedded payment solutions to SMBs, ISVs, and SaaS businesses.

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Epos Now logo

Epos Now

An easy-to-use, adaptable point-of-sale and payment system.

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Epos Now Payments is a payment processing service built to work seamlessly with your Epos Now POS system, with simple reports and no big, end-of-the-month processing bill for you to worry about. It takes all major debit and credit cards as well as contactless, Google and Apple Pay transactions.

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Dash logo

Dash

Automated A/R for teams who want to keep revenue in-house

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Dash is a cloud-based SaaS platform that helps small businesses manage billing and recover overdue balances with automation. The tools streamline collections, reduce manual follow-up, and let customers self-serve, helping teams keep more revenue in-house.

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SumUp logo

SumUp

POS and payments processing software

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SumUp offers card readers and POS systems designed for small businesses across various industries. The platform provides comprehensive payment solutions including portable card readers, self-service kiosks, and invoicing capabilities. SumUp also features financial management tools such as business checking accounts and customer engagement options through gift cards and reward programs, all accessible through a single mobile application.

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MoonClerk logo

MoonClerk

One-off and recurring payment management system

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MoonClerk is a cloud-based billing and online payment solution which enables users to create online payment forms for and receive one-off and recurring payments

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QuickBooks Online Advanced logo

QuickBooks Online Advanced

Accounting & business management for small businesses

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Streamline payment processing with secure invoicing, online payment options, and automated reconciliation tools.

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Frisbii logo

Frisbii

Subscription management, billing, payments, and analytics

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Frisbii is a recurring billing platform made in Europe, providing businesses with the right means to automate, streamline and scale their payment, billing and recurring relationship processes for business growth, increased retention and predictable revenue.

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Square Point of Sale logo

Square Point of Sale

iPad & Android point of sale (POS) system

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Square Point of Sale is the customizable point-of-sale system built for businesses of all shapes and sizes.

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FreshBooks logo

FreshBooks

Invoice and accounting software tailored to small businesses

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FreshBooks is accounting software that helps small business perform accounting tasks, conduct invoicing, manage expenses, and more.

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iugu logo

iugu

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Payment processing & financial automation software

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Iugu is a cloud-based financial automation software, which helps businesses in the Brazilian market process online payments, measure revenue growth, and monitor recurring bills. Features include receipt management, credit card processing, fraud detection, invoice scheduling & account reconciliation.

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Square Payments logo

Square Payments

Online payment processing for merchants & vendors

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Accept every way your customers want to pay with Square Payments.

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Cheddar Up logo

Cheddar Up

Secure Payment Processing + Custom Forms for Groups

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Cheddar Up enables groups to process payments and information online – for free. Create custom forms to collect registrations, waivers with e-signatures, item variations, and more. Securely collect credit card or eCheck payments and track it all with streamlined reporting.

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PaySimple logo

PaySimple

Payments today. Partners for Tomorrow.

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PaySimple is the leading payments management solution for service-based businesses, powering the cashflow of over 20,000 companies nationwide.

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Acuity Scheduling logo

Acuity Scheduling

Online appointment scheduling software and assistant

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Acuity Scheduling is an online appointment scheduling solution that allows clients to self-schedule appointments or classes online, complete custom forms, receive confirmation notifications and reminders, and pay or donate with a credit card.

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Clover logo

Clover

Comprehensive point of sale & business management solution

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Clover is an all-in-one platform designed to help on and offline retailers, quick service restaurants, and other service businesses manage their point-of-sale operations, with secure payment solutions and reliable business management features

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Broadly logo

Broadly

Online review & reputation management for small businesses

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Broadly is an online review & reputation management tool that helps small service-providing businesses improve their online reputation & attract new customers

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Pushpay logo

Pushpay

Giving and engagement management for churches

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Pushpay’s nonprofit giving platform boosts donor retention by connecting with your donors in a more meaningful way.

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RevCent logo

RevCent

Subscription billing, trial offers and usage based billing

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Manage multiple card processors and payment methods with rule-based profiles. Send charges where you want, when you want based on transaction type, revenue rules, time rules and more.

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Lightspeed Golf logo

Lightspeed Golf

The one-stop management platform for golf clubs everywhere.

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Tee sheet, POS, marketing, automation and more—Lightspeed helps golf courses simplify, scale and deliver amazing customer experiences.

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ChurchStaq logo

ChurchStaq

Church software built to grow generosity and connection

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ChurchStaq is an all-in-one church management platform with built-in giving and a branded app. It supports people management, attendance, groups, recurring donations, reporting, integrations with financial systems, and secure payment processing with role-based access controls.

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Digistore24 logo

Digistore24

A sales platform for digital products with affiliate options

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Digistore24: a German all-in-one sales platform designed for businesses, freelancers, and affiliates to sell digital products, software, services, events, and more, with built-in automation tools.

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ChargeOver logo

ChargeOver

Subscription billing software for SMBs

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ChargeOver is a recurring billing & subscription billing management app which automatically sends invoices & receives payments, requests updated payment information when payments are late, & provides comprehensive reporting, customer portals, & more

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Clio logo

Clio

Cloud-based legal practice management tool for law firms.

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Clio is a comprehensive legal practice management software that helps law firms streamline their operations. The platform offers case management, client intake, document automation, and legal accounting features, all integrated into one system. With built-in AI capabilities through Clio Duo, legal professionals can efficiently summarize documents and access matter details while maintaining client communication through a dedicated portal.

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Birdeye logo

Birdeye

AI-based webchat assistant for business conversations

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Birdeye is the leading AI-powered reputation and social media management platform for local brands. Over 150,000 businesses use Birdeye to maximize online reputation, engage across social channels, and gain insights to enhance customer experience and grow.

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