Notification channels

get
https://app.hightouch.ai/api
/notifications/channels/
Notification channel list
post
https://app.hightouch.ai/api
/notifications/channels/
Add notification channel
patch
https://app.hightouch.ai/api
/notifications/channels/:id/
Change notification channel
delete
https://app.hightouch.ai/api
/notifications/channels/:id/
Delete notification channel