IPQS Proxy Detection API vs ThreatSTOP IP Defense: Side-by-Side Comparison (2026)

IPQS Proxy Detection API: API service for detecting proxies, VPNs, Tor nodes, and malicious IPs. built by ipqualityscore. Core capabilities include Proxy and VPN detection via API, Tor node identification, Residential proxy detection..

ThreatSTOP IP Defense: Cloud service that automates threat blocking on firewalls, routers & switches. built by ThreatSTOP. Core capabilities include Automated threat intelligence updates from hundreds of sources, Integration with firewalls, routers, switches, load balancers, and IDPS, Over 600 customizable security policies..

Both serve the Threat Intel Feeds market but differ in approach, feature depth, and target audience.

IPQS Proxy Detection API differentiates with Proxy and VPN detection via API, Tor node identification, Residential proxy detection. ThreatSTOP IP Defense differentiates with Automated threat intelligence updates from hundreds of sources, Integration with firewalls, routers, switches, load balancers, and IDPS, Over 600 customizable security policies.

IPQS Proxy Detection API is developed by ipqualityscore. ThreatSTOP IP Defense is developed by ThreatSTOP. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

IPQS Proxy Detection API and ThreatSTOP IP Defense serve similar Threat Intel Feeds use cases: both are Threat Intel Feeds tools, both cover IP Address. Review the feature comparison above to determine which fits your requirements.