I’ll be honest, proxies used to sound a bit shady to me. Something hackers used, or people trying to watch Netflix from another country. Then you spend some time around pricing and procurement teams and realise most of them use proxies every day, for very dull and very legitimate reasons.

The reason is simple enough. A huge amount of useful market data sits on public websites: marketplace prices, stock levels, supplier catalogues, shipping rates. Looking at it once is easy. Looking at it every few hours, from the right country, without getting blocked? Much harder.

Static, residential, and why both words matter

A proxy just sends your traffic out through a different IP address. Fine. But the sites you visit don’t treat all IP addresses the same.

The cheapest ones come from data centres. Websites know those ranges well, and plenty of them block or throttle that traffic on sight. Residential IPs are different. They’re addresses that normal internet providers give to normal homes, so the traffic looks like it’s coming from, well, a person at home.

Most residential proxy services rotate those addresses, though. You might get a new one every few minutes, or with every request. Handy for some jobs, but a pain if you need to log in somewhere and stay logged in. Static residential proxies sort that out. You get one residential IP and it stays yours. Same address on Monday and on Friday.

What people actually use them for

Price checks come first for most teams. Online shops often show different prices (and sometimes different products) depending on the country they think you’re in. If you’re sitting in London checking a Polish marketplace, you’re not really seeing the Polish price. Run the same check through a Polish IP and suddenly the data is worth something.

Supplier and carrier portals are the second big use. These sites can be quite jumpy about security. Log in from three different addresses in one afternoon and you’ll probably be typing verification codes for the rest of the day. With one fixed IP, the automated job that grabs order updates or freight quotes just gets on with it.

And then there’s testing. If your company is launching a local version of its web shop, someone has to check that prices show in the right currency, VAT is added correctly and the page loads in the right language. Doing that from the actual country beats guessing every time.

Choosing who to buy from

This is where people get caught out. There are loads of providers, and some of them sell datacenter IPs dressed up as residential ones. Ask where the IPs come from. Ask which countries and cities you can choose. Look at the uptime they promise and read a few independent reviews before handing over a card.

Static residential IPs are normally sold per IP, per month, which makes budgeting pretty easy. A small team might only need five or ten addresses spread across its key markets. If you’re at that stage and want to buy static residential proxy IPs without a long contract, Proxy-Cheap is worth a look, since it lets you pick single IPs by location and grow from there. I’d still test any provider on your own target sites first. That tells you far more than a sales page ever will.

Be sensible with it

Public data is mostly fair game, but that doesn’t give you licence to flood someone’s website with requests. Read the terms, slow your scripts down, and don’t forget the company on the other end might be a supplier you rely on.

It’s also worth looping in whoever looks after IT security. A proxy service is another vendor handling your network traffic, so it should be logged, reviewed and treated like the rest of your tools.

Used well, a handful of static residential IPs can make your market data a lot more accurate for not much money. Not exciting, maybe. Just useful.