CheckMK: API endpoints used by the SIGNl4 Back channel

The SIGNl4 back channel to CheckMK is using the following API endpoints:

/api/1.0/objects/host_config/
/api/1.0/domain-types/acknowledge/collections/host/
/api/1.0/domain-types/acknowledge/collections/service/
/api/1.0/domain-types/comment/collections/host/
/api/1.0/domain-types/comment/collections/service

Outbound from your CheckMK instances to SIGNL4 the webhook URL is https://connect.signl4.com/webhook/<xxx>