Free Commercial On-Site
Deployment Cloud Cloud On-premise
Number of engines 30+ 10+ Up to 30
File size limit 140 MB 256 MB No limit
Throttling (requests/min) * 10 100 No limit
Prevention API Limit (requests / day) 100 Flexible No limit
Reputation API Limit (requests / day) 4,000 Flexible No limit
Sandbox API Limit (requests / day) 1 Flexible -
Maximum number of files in archives 50 500 No limit
Deep CDR Enabled, no file conversion Enabled, no file conversion Fully customizable
File Privacy Stored on OPSWAT servers Controlled by end user Controlled by end user
Priority Standard priority High Priority Built-in load balancing
License Evaluation only Commercial use Enterprise end-customers
Secure SSL support Yes Yes Yes
Support - Up to Platinum Support Up to Platinum Support
SLA - 99.98% Controlled by end user
* applies to file uploads and bulk requests. See documentation Start using now Request a quote Request a quote

What is Prevention API?

The MetaDefender Cloud Prevention API enables:

  • Scanning a file by file upload
  • Rescanning a file
  • Rescanning files in bulk
  • Deep CDR

What is Reputation API?

The MetaDefender Cloud Reputation API includes all of these features:

  • Retrieving scan reports using a data hash
  • Retrieving scan reports for multiple data hashes
  • Scanning IP addresses, URLs and domains
  • Scanning lists of IP addresses, URLs and domains
  • Application information lookup

What is Feed API?

The MetaDefender Cloud Feed API enables:

  • Access to our threat intelligence feed
  • Live blacklist of malware hashes
  • Updated instantly as new threats are detected
  • Advanced query options

Available Anti-malware engines for commercial use

  • AegisLab
  • AhnLab
  • ByteHero
  • Clam AV
  • Comodo
  • CrowdStrike Falcon ML
  • Emsisoft
  • Filseclab
  • Ikarus
  • Kaspersky
  • K7
  • McAfee
  • Microsoft Defender ATP
  • QuickHeal
  • Vir.IT eXplorer
  • Vir.IT ML
  • Xvirus
  • Zillya


Why does the commercial cloud package contain fewer engines than the free offering?

OPSWAT has signed agreements and pays royalties to all the engines participating in the commercial program. The other engines that make up the free offering are participating in our scanning and malware sharing program, but OPSWAT does not have express licenses to sell the results of those engines.

I want to scan files, but I am worried about data loss. What can I do?

When uploading files, use the "samplesharing" header to control your file privacy. If "samplesharing" is set to false, the file will be deleted from our servers immediately after the scan has finished. See documentation

Are sanitization requests counted as separate requests?

When uploading a file just add the "rule: sanitize" header, and along multiscanning, the file will also be sanitized and a sanitized version of the file will be available for downloading. All this at the cost of one request.

Questions about Pricing and Features?

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