Events are an important concept and are used in webooks and the API.
Learn more about events and managing them within your account:

Standard response format

Events return JSON data with several standard fields, as well as event-specific fields that are detailed in the documentation for that event. These standard fields are the following:
ID of the event that was triggered
Description of the event
Key name of the event
URL to access the event ID

Example data

An example of the standard response returned by an Event
"event_id": "202201010112004328b91bcffff5941efffffa426450d098f",
"subject": "Subject",
"key": "key-name",
"url": ""

Events List

There are many kinds of events. Each kinds has a distinct key that you can use to filter events or configure integrations. The full list is below:
API Key Added
User Added
Domain Added
New Domain Host Discovered
Scan Complete
First Scan Complete
Scan Started
New Domain TLD Discovered
Firewall Port Banner Changed
Firewall Port Opened
New Issue Detected
Network Added
New Network IP Discovered
Network IP Offline
New Network Port Discovered
Network Port Closed
Scan Complete
First Scan Complete
Scan Started
PCI Report Approved
PCI Report Has Expired
PCI Report Expires Soon
PCI Report Expires Today
PCI Report Rejected
Project Engineer Assigned
Project File Attached
Project State Changed
Target Added
Scan Failed
Scan Complete
First Scan Complete
Scan Started
New Technology
New Technology (First Scan)
SSL Certificate Expired
SSL Certificate Expiring
SSL Certificate New Country
SSL Certificate New Issuer
SSL Certificate Risk
Monitored Website Cookie Changed
Website Cookie New Country
Website Cookie Out-of-Scope
Website Cookie Risk
Monitored Website Download Changed
Website Download New Country
Website Download Out-of-Scope
Website Download Risk
Monitored Website Form Changed
Website Form New Country
Website Form Out-of-Scope
Website Form Risk
Monitored Website Header Changed
Website Header Risk
Website Link New Country
Website Link New Email
Website Link New Phone
Website Link Out-of-Scope
Website Link Risk
Monitored Website Script Changed
Website Script New Country
Website Script Out-of-Scope
Website Script Risk
Website Traffic New Country
Website Traffic Out-of-Scope
Domain Registration Changes
Domain Registration Expired
Domain Registration Expiring