get https://www.virustotal.com/api/v3/private/urls//
See URL identifiers from more information about how to generate a valid URL identifier for a URL.
URL objects have number of relationships to other URLs and objects. As mentioned in the Relationships section, those related objects can be retrieved by sending GET requests to the relationship URL.
Some relationships are accessible only to users who have access to VirusTotal Enterprise package.
The relationships supported by URL objects are documented in the URL API object page.