get
https://www.virustotal.com/api/v3/port_analyses//relationships/
Premium featurePorts and Services data is only available to Google Threat Intelligence users. Vulnerability data is only returned to users whose subscription includes vulnerability intelligence.
This endpoint is the same as /port_analyses/{id}/{relationship} except it returns just the related object's descriptors (type + id, and context attributes if any) instead of returning all attributes.