External REST API call from Splunk

[kalyank]

Can you guide us how to implement Splunk making a call to Rest API of another application with some custom payload for an alert event.

[richgalloway]

See if this answer helps.  https://community.splunk.com/t5/Monitoring-Splunk/How-to-call-an-API-when-alert-trigger/m-p/508246