Zabbix is an open source Enterprise-level monitoring tool that offers server and network management. OpsGenie is an alert and notification management solution that is highly complementary to Zabbix.
OpsGenie provides a two-way rich integration plugin for Zabbix. Besides that, OpsGenie provides number of easy to use integration methods (email, API, command line tools, programming libraries, etc.) to ensure all monitoring tools can be easily integrated with OpsGenie. Zabbix can also be integrated with OpsGenie via the email interface, by using OpsGenie lamp CLI utility, or by executing scripts in any language that use OpsGenie Web API. This document describes two primary integration options.
OpsGenie Zabbix plugin supports bi-directional integration with Zabbix. Integration leverages OpsGenie's zabbix-specific executable and marid utilities to automatically create rich alerts and synchronize alert status between Zabbix and OpsGenie. Plus, Zabbix alarms can be acknowledged automatically when the alert is acknowledged in OpsGenie. OpsGenie Zabbix plugin is the recommended integration method as it enables Zabbix to take advantage advanced capabilities provided by OpsGenie.
Zabbix can deliver alerts via email. Using OpsGenie email integration, Zabbix alerts can be forwarded to OpsGenie to notify users. Zabbix documentation describes how to configure Zabbix email alerts. OpsGenie can process these emails, create alerts in OpsGenie and notify users as described here.