Accessing the Nagios XI API
Ethan Galstad
Nagios XI includes an API that allows developers to pull current status information and more in XML (XI 5, old API) or JSON (XI 2024 & 2026, modern API) format for use by external systems. This simple API makes it easy to integrate Nagios information into third-party applications and external websites and to programmatically manage the XI system and configurations. This document describes how to access to API and query information.
Nagios XI 2024 & 2026 – REST API
How to Access and Use the Nagios XI REST API
Nagios XI v5 (Legacy) – Backend API
