Welcome to the Fiserv developer documentation for our omnichannel / AQaaS / JV products, this section will give you an overview of what's on offer! We provide solutions which cover the full spectrum of in-store and online payments, enabled by our range of APIs.


Can't see what you're looking for?

This documentation is for our Omnichannel / AQaaS only products. For those wanting our standard ecommerce products, such as the Payments API or Checkout, please visit https://docs.fiserv.dev/public


Documentation aimed at helping you understand the product, the use cases that can be enabled, and business processes.


Step by step examples of common API use cases and code snippets.

API Reference

Technical documentation including the API specification and a place to make your initial API call.


Point of Sale

Soft Point-of-Sale Early access

Transform your Android device into a payment terminal with no additional hardware.

Guide API Reference
Terminals Live

Add, update, move and have complete control over the management of your terminals.

Guide API Reference Download Spec
ePOS Payments In development

Connect your electronic cash register (ECR) or sales system to your terminals seamlessly with no wires to complete your POS solution.

Guide API Reference Download Spec
Terminal Diagnostics In development

Diagnostic reporting to monitor, maintain and analyse your terminals.

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Merchant Boarding Live

Onboard and validate your merchants to Fiserv to start accepting payments.

Guide API Reference Download Spec
Offers Management System Live

Retrieve the payment processing and equipment offers available to your merchants when boarding.

Guide API Reference Download Spec
Documents Live

Upload, retrieve, update and request signatures for financial, identity and contractual documents required for boarding.

Guide API Reference Download Spec
Merchant Maintenance In development

Add stores as you grow and keep merchant details update to date.

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Adjustments and Fees In development

Manage adjustments and fees being paid or charged to a merchant account.

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API Key Management Roadmap

Set up and manage APIs for your own merchants to utilise whitelabelled services.

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Oracle OPERA Live

Connect Oracle OPERA property management system with Fiserv payments processing to provide point-of-sale and back office operations to a range of enterprise hospitality sectors.

More information
Oracle Xstore In development

Connect Oracle Retail Xstore with Fiserv payments processing to provide point-of-sale capabilities to carry out day-to-day transactions and conduct daily store activities.

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