Integration Hub for Jira short named i.hub is an automation tool for REST integrations. 

Solves common integration problems such as creating a ticket in another system and fetching data from external systems.

• Uses the standard HTTP protocols to communicate with any arbitrary endpoint. 
• Automated by event listener on issues and schedule jobs, defined by a cron expression.
• Can retrieve and update external systems

When should I use Integrations Hub?  Use it for fetching data from other systems using REST calls. Use the response Use it to automate Jira 

The scenarios are endless, from communication with external systems as well as operating on the JIRA instance it is installed on.

Examples of systems that Integration Hub for Jira can integrate towards!