You can view your API quotas and request rate limits on the “Account” page.ThreatBook CTI now uses a single unified API key for all users. With this key, you can access different sets of APIs based on your subscription level:
IP Report API
Available to all users by default, with 50 free requests per day.
Feeds APIs (coming soon)
Feeds subscribers can use the same API key to access the specific data packages included in their subscription, such as IP Reputation or IOC feeds.
Your API key is a unique identifier for authenticating requests.You can obtain and manage your key from the “My API” page.This key supports all available API types according to your subscription.