Q&A, pitfalls, and tutorials
Short, specific posts written for sellers and small-scale devs. No 2,000-word SEO fluff, no listicles of 27 providers.
My IP scored 70/100 — is it safe to bind my seller account?
Short answer: no. Here is what the 0–100 score actually weights, the three sub-scores that matter most, and the minimum thresholds we use for TikTok Shop, Amazon and Mercado.
Proxy works in curl/browser but fails inside my scraper — why?
Nine common causes, from the trivial (wrong env var name) to the subtle (SNI leaks, Happy Eyeballs fallback, TLS fingerprint mismatch). With a step-by-step debug list.
How a 50-line Worker wrapper cut our AbuseIPDB bill by 92%
KV cache + rate limit + single-key fan-out is the simplest architectural win for any indie tool site. Full pattern, sample KV key design, and why you should never put third-party keys on the page.
TikTok Shop account health — the weekly 10-minute checklist
Checklist we run on every client account we touch: IP reputation, device fingerprint stability, SIM/KYC linkage freshness, and the 3 logs you should actually read.
Static ISP vs rotating residential — when to switch (and when not to)
The exact decision tree we use: number of accounts, login vs scrape traffic, expected per-IP lifespan, and the 3 red flags that tell you to move away from a provider immediately.
IP blacklisted? A pragmatic delisting playbook
Which 10 blacklists actually matter, which ones you can safely ignore, and a copy-paste template for the 4 providers that actually respond to free-tier delisting requests.