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Best Payment Processing Software for Medium-Sized Businesses

Products within the broader category of Payment Processing have a lot in common and are aimed at solving business challenges for companies of various sizes. Yet, there are notable differences in the setup, features, pricing, customer support for medium-sized businesses compared to larger enterprises. Therefore, it's crucial to guide mid-market companies towards the suitable Mid-Market Payment Processing Software options that cater to their specific requirements.
Last updated: August 31, 2026
Advertising disclosure: Findstack offers objective, editorially independent comparisons to help you find the best software. Some links on this page are affiliate links — we may earn a commission when you visit a vendor through our links, at no additional cost to you. Affiliate relationships never influence our ratings, rankings, or reviews. Disclosure policy | Methodology
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Crevio E-Commerce Platforms logo
Crevio
Sponsored
5.0
(1)
Free plan available
50% OFF for 2 months
Crevio is an AI-powered platform that runs your business while you sleep. Describe what you want to se... Learn more about Crevio
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FreshBooks Accounting Software logo
FreshBooks
4.5
(681)
Starting at $1.70/month
FreshBooks is a cloud-based accounting software preferred by numerous small to medium enterprises for ... Learn more about FreshBooks
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Synder Payment Processing Software logo
Synder
4.7
(199)
Starting at $13.00/month
Synder is powerful automation software that enables easy accounting for e-commerce businesses. Automat... Learn more about Synder
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Crypto.com Payment Processing Software logo
Crypto.com
4.0
(23)
Crypto.com is a comprehensive cryptocurrency finance platform combining an exchange, custodial and non... Learn more about Crypto.com
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Melio Payment Processing Software logo
Melio
4.6
(135)
Free plan available
$50 cashback
Melio is a cloud-based B2B payments platform for small and midsize businesses and accounting firms tha... Learn more about Melio
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Airwallex Payment Processing Software logo
Airwallex
5.0
(3)
Free plan available
Airwallex is a global business account empowering businesses around the world to operate anywhere, any... Learn more about Airwallex
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Flatpay Payment Processing Software logo
Flatpay
Free plan available
Flatpay is a fintech payments platform for small and medium-sized merchants offering card terminals, f... Learn more about Flatpay
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Rezdy Tour Operator Software logo
Rezdy
3.9
(10)
$49.00/month
Rezdy is a cloud-based booking, reservation, and distribution (channel-management / reseller) platform... Learn more about Rezdy
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Weave Patient Engagement Software logo
Weave
$149.00/month
Weave is a unified communications and patient engagement platform that combines a cloud VoIP business ... Learn more about Weave
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