I have two feature requests if anyone is interested. Also the API is pretty well documented if you don't want to wait. All info is below.
Integration: URLhaus
https://issuetracker.google.com/issues/328715673
Description:
URLhaus provides a database of malicious URL's which is searchable by URL, Domain, Hash, tag or file type
https://urlhaus.abuse.ch/browse/
Many threat hunters use this service and there is no cost. The Use case would be for enrichment.
API Documentation is located here: https://urlhaus-api.abuse.ch/
SPAMhaus
https://issuetracker.google.com/issues/328450203
For Domains and IP's. There is a limit of 5000 API requests per month
Documenation: https://www.spamhaus.com/
API Documentation: https://docs.spamhaus.com/sia/docs/source/10-API-Interface/110-API.html