Virus Scan APIs

Scan files and content for viruses. Leverage continuously updated signatures for millions of threats, and advanced high-performance scanning capabilities.

Virus Scan Files

Scan files for viruses to secure your services and content upload.

Virus Scan URLs

Scan websites and URLs for viruses to secure your environment.

Virus Scan Content

Scan content for viruses to secure your services and content upload.

Try It

Upload any file to scan for viruses in the content.


Cloudmersive APIs power over 1,000 of the world's smartest businesses, including:


Advanced Anti-Virus and Malware Scanning

Over 17 million virus and malware signatures
Continuous cloud-based updates
Wide file format support including Office, PDF, HTML, Flash
Zip support including .Zip, .Rar, .DMG, .Tar, and other archive formats

Multi-Factor Threat Detection

Multi-threat scanning across viruses, malware, trojans, ransomware, and spyware
Multi-factor scanning across many delivery methods, including polymorphic and multipartite
Scanning across single files, archives, and recursive file formats

High Performance & Scalability

High-speed in-memory scanning delivers subsecond typical response time
Large file support enables scanning very large files (requires paid account for >10MB)
Parallel processing allows concurrent processing of many requests


Stateless processing processes payloads in memory and does not retain the payload
TLS 1.2 encryption in transit with 2048-bit keys
HTTP/2 transport

Great Documentation and Client Libraries

C# / .NET / .NET Core, Java, Node.JS, Javascript, Python, PHP, Ruby, Objective-C, Drupal, Power Automate / Microsoft Flow, Azure Logic Apps client libraries available.
Full documentation
Swagger/OpenAPI specifications

Interactive Docs Read Docs and Examples .NET Java Node.JS Python PHP Ruby Objective-C Drupal Azure Logic Apps Power Automate / Microsoft Flow

Satisfied Customers

"Cloudmersive has become our strategic partner in full life cycle document processing, from create and capture, to OCR, to virus and sensitive content scanning, to report generation. This has really taken our business results to the next level, reducing costs and streamlining our systems. We have also really appreciated top-notch support."

-J. Li, Pyriform Group

Compare Prices

Flexible Deployment

Use Cloudmersive APIs from the cloud, or deploy Cloudmersive APIs to the edge, a private cloud, your on-premise data center, or a custom public cloud instance when needed to enable key scenarios for latency, compliance, security and control.

Contact Sales

800 free API calls/month, with no expiration

Get started now! or Sign in with Google

Questions? We'll be your guide.

Contact Sales