ACI API 26.3
ACI API Programming Guide

# System Architecture

The ACI API uses HTTP to allow custom-built applications (for example C, Java, or .NET applications) to communicate with OpenText ACI servers. Communication with the servers is implemented over HTTP using XML and can adhere to SOAP. The following diagram shows the architecture.

Application Server Architecture

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Version 26.3 | Last updated July 2026

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Product: Knowledge Discovery ACI API 26.3

Topic Title: System Architecture