Knit supports real time events for the following apps:

CRM

App	Is Webhook Registration required?	Notes
Hubspot	No, webhook is registered automatically	Read more about it here
Salesforce	Yes, user has to register webhook in the Salesforce UI	Read more about it here
Freshworks	Yes, user has to register webhook in the Freshworks UI	Supported
Zoho CRM	Yes, user has to register webhook in the Zoho CRM UI	Supported
Pipedrive		Supported

Calendar

App	Is Webhook Registration required?	Notes
Outlook Calendar	No, webhook is registered automatically
Google Calendar	No, webhook is registered automatically	Coming Soon