DEVELOPER TOOLS

The complete toolkit for your custom solution.

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RESTful API

Add payment processing to your app, website, software, or hardware with Fattmerchant’s Omni API.

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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.

Integrate countertop terminals and pin pads

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Recurring Payments

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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.

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Key, Swipe, Dip or Tap Securely

Process payments using all of Fattmerchant’s supported payment types without sensitive payment information ever hitting your site.

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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.

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