Here is a specific HTTP GET request to do this, feel free to use this link feature in your sites. The link is as follows:
https://www.virustotal.com/latest-scan/<resource>
Where resource is one of:
- The MD5 of a given file that was scanned by VirusTotal.
- The SHA1 of a given file that was scanned by VirusTotal.
- The SHA256 of a given file that was scanned by VirusTotal.
- A URL that was scanned by VirusTotal.
Note that this feature is subjected to the same 4 requests/minute limitation as the public API and search feature.