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RESTful API
Add payment processing to your app, website, software, or hardware with Fattmerchant’s Omni API.
Add robust features to your software
Enhance the development of your solution by adding customer management, inventory tracking, invoicing, recurring billing, and more.
Carefully curated Documentation and simple set up
We’re developers too, so we understand the importance of easy-to-use documentation. Learn how to enable payments in your app using our API docs.
Devpay.js
Accept and protect sensitive payment data on your website with our easy-to-use Javascript plug-in.
Customer Management
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Financial Reporting
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iOS and Android SDKS
Swipe and key payments on-the-go with your mobile app by leveraging our developer-friendly SDKS for iOS and Android.
Key, Swipe, Dip or Tap Securely
Process payments using all of Fattmerchant’s supported payment types without sensitive payment information ever hitting your site.
Key, Swipe, Dip or Tap Securely
Process payments using all of Fattmerchant’s supported payment types without sensitive payment information ever hitting your site.
Track and Trigger Events with Webhooks
Create webhooks to send information from Omni to your other business tools such as G-Suite, MailChimp, and CRMs.