Acceptance Devices \| PAX Acceptance Devices App Integration Guide {#semi-integrated-solution-pax-about-guide}
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Use this information to use this guide and where to find further information.

Audience and Purpose
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This guide is written for partner developers, system architects, and independent software vendors (ISVs) who wish to integrate their point-of-sale system with PAX terminals in a semi-integrated manner.  
Implementing the PAX Acceptance Devices App requires software development skills. You must write code that uses the API request and response fields to integrate the solution into your point-of-sale system.

Conventions
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These statements appear in this document:

> IMPORTANT
> An *Important* statement contains information essential to successfully completing a task or learning a concept.
> WARNING
> A *Warning* contains information or instructions, which, if not heeded, can result in a security risk, irreversible loss of data, or significant cost in time or revenue or both.

Support
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For support information about any service, visit the Support Center:  
[https://developer.visaacceptance.com/support/contact-us.html](https://developer.visaacceptance.com/support/contact-us.md "")