Best Security APIs in 2026

Breach detection, threat intelligence, and dependency scanning APIs. Protect your users and your code.

3 APIs across 3 subcategories

Breach Detection(1)

FreemiumBreach Detection

Have I Been Pwned API

Check if email or password has been in a data breach.

CLI

Quality

Threat Intelligence(1)

FreemiumThreat Intelligence

VirusTotal API

Scan files, URLs, and domains for malware and threats.

CLI

Quality

Dependency Scanning(1)

FreemiumDependency Scanning

Snyk API

Find and fix vulnerabilities in code, dependencies, and containers.

CLI

Quality

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