![December 2019 Update 2: Alert Counters, Category Subscription, Webhook Format](https://www.signl4.com/wp-content/uploads/2017/09/coding-1080x675.jpg)
![December 2019 Update 2: Alert Counters, Category Subscription, Webhook Format](https://www.signl4.com/wp-content/uploads/2017/09/coding-1080x675.jpg)
![April 2018 Update: API Enhancements, Duty Length, Countries, Splunk](https://www.signl4.com/wp-content/uploads/2018/02/s4_twitter_general-1080x600.png)
April 2018 Update: API Enhancements, Duty Length, Countries, Splunk
The April 2018 update adds the following new features to SIGNL4: New methods and method enhancements for the REST API and webhook A new duty & shift length of 14 days Availability in new countries Happy exploring! Outbound webhooks: Correlate alert-status changes...![December 2019 Update 2: Alert Counters, Category Subscription, Webhook Format](https://www.signl4.com/wp-content/uploads/2017/09/coding-1080x675.jpg)