IPQS IP Address Block List vs IPQS Proxy Detection API: Side-by-Side Comparison (2026)

Short answer

Startups and SMBs handling payment fraud or account takeover will find real value in IPQS IP Address Block List's proxy and bot detection, which catches residential proxies and RDP connections that basic IP reputation systems miss. The service pushes honeypot data into live blocklists with API access for immediate integration, meaning you're not waiting for threat intel cycles. Skip this if your priority is endpoint detection or incident response; IPQS is a perimeter-focused tool that excels at blocking bad traffic before it reaches your application, not investigating compromises after the fact. Startups and SMBs blocking fraudulent access at scale will see immediate ROI from IPQS Proxy Detection API; its 25+ data point IP reputation scoring catches residential proxies and datacenter botnets that generic blocklists miss. The API handles bulk CSV uploads for batch enforcement and integrates directly into authentication flows, covering the PR.AA and DE.CM functions that actually prevent account takeover. Skip this if you need a unified threat platform; IPQS does one thing, detection, and doesn't handle response or recovery.