Proxies, explained.
Guides, engineering deep dives, and news from the BuyProxy team.
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Proxy Provider Support: What to Check Before You Buy
Cheap proxies cost more when nobody answers. Five checks for provider support, and how BuyProxy's chat, request form and plan tiers work.
Residential Proxies for AI Data Collection, Done Right
How AI teams use residential proxies for web data collection, from rotation and geo-coverage to the robots.txt and rate-limit rules to follow.
Are Free Proxies Safe? What the Research Shows
A 30-month study of 640,600 free proxies found most never responded and thousands tampered with content. What that means and what to use instead.
Residential Proxies for SEO: What Google Allows
Residential proxies help SEO teams check localized pages, but scraping Google for rank checks breaks its policies. Here's what's safe and what isn't.
Buy Residential Proxies With Crypto: How It Works
BuyProxy accepts crypto for pay-as-you-go top-ups from $0.99/GB. Here's how checkout works, what crypto covers and how it compares with card.
Proxy Error Codes: 407, 403, 429, 502 and 504 Fixed
What each proxy error code really means, whether the proxy or the target caused it, and the fix for each. Includes a retry wrapper in Python.
How to Test Proxy Speed: Latency, TTFB and Success
A reproducible way to benchmark any proxy: curl timing, a Python script and the metrics that matter. Test providers fairly before you spend.
Datacenter IPv4 Proxies: When Pay-Per-GB Makes Sense
Datacenter IPv4 proxies are fast and cheap but easy to detect. See how per-GB billing works, what they suit, and when to pick residential instead.
Which Proxy Type Should You Buy? Decision Guide
Core residential, premium, ISP, mobile, datacenter IPv4 or IPv6? Compare all six BuyProxy proxy types by price per GB, trust level and best use.
How Much Do Residential Proxies Cost? 2026 Pricing
Residential proxy prices run from $0.99/GB to $8+/GB. See what each rate costs at 10, 100 and 1,000 GB, and when a plan beats pay-as-you-go.
Residential Proxies for Price Monitoring in 2026
Why e-commerce prices change by IP and location, why datacenter proxies fail at price checks, and how to build a monitoring workflow that scales.
Residential Proxies for Ad Verification in 2026
Why ad verification needs residential IPs instead of datacenter, how city-level geo-targeting works, and a practical workflow for ad-ops teams.