Can I verify ads on mobile inventory?

Yes, with ARC Mobile, which exits on genuine 4G/5G carrier IPs in Germany, the UK, the US and Japan. That is the only pool that can see inventory targeted at carrier traffic. It has no city targeting and sticky sessions run 5 to 60 minutes, so plan mobile checks at country level.

Which countries can I verify from?

ARC Basic, Fast and Ultra reach 185+ countries, with city targeting from a published list of metros in twelve of them. ARC Mobile is limited to Germany, the UK, the US and Japan.

How much bandwidth does a rendered ad check use?

Far more than an HTML fetch — a full render with creatives and trackers is commonly one to three megabytes. Since billing is per gigabyte, the practical levers are check frequency and whether you render fully or capture a screenshot of a partial load.

Can I keep one IP for a whole page load?

Yes, and you should. Add a session handle so the page, its creatives and its tracker calls all leave from one exit — otherwise the request chain looks like several unrelated visitors and the placement may not render as it would for a real one.

Is clicking the ads I verify allowed?

No. Generating clicks or impressions you do not intend as a genuine user is fraud against the publisher and the network, and it breaches our acceptable use policy. Verification here means requesting and observing what renders, not interacting with it.

Use case · Ad verification

Proxies for ad verification and ad testing

You bought an impression in Munich on a phone network. Verifying it means requesting the page from Munich, on a phone network, and looking at what actually rendered — the creative, the placement and what sits next to it.

Get started See pricing

Pay per GB · No subscription · Prices in EUR, excl. VAT

Illustration. The URLs and values are fictional; the connection string is the real grammar.

€2.00
per GB on ARC Fast, excl. VAT: −44%
at 1 TB (€1.12 / GB): 185+
countries, city targeting: Never
expires — no subscription

The problem

What goes wrong without the right IPs

Geo-targeted buys can only be checked in the geo

A campaign bought for one country is not served to any other. Checking it from the agency's office confirms nothing except that the office is not in the target market.

Mobile inventory is a different buy

Carrier traffic is targeted separately and often carries different creatives entirely. A residential line cannot see a placement sold against mobile inventory.

Brand safety is about the neighbours

The creative can be perfect and the page still be a problem. Capturing what rendered around it is the whole point, and that only exists on a real request from a real exit.

Ad fraud hides from the obvious viewer

Misrepresented placements behave differently for traffic that looks like monitoring. A consumer exit sees the version sold to consumers.

Rendered pages are heavy

Full render with creatives and trackers is megabytes per check, not kilobytes. At campaign scale that makes price per gigabyte the deciding cost, not price per request.

Setup

Recommended setup

Match the exit to the inventory you bought — this is the one use case where the pool is dictated by the media plan.

Plan	Role	Session	Targeting	Price
ARC Fast Rotating residential	Default for display and web Residential exits in the bought geo, held long enough for the page, its creatives and its trackers to finish loading as one visit.	Sticky, 10 minutes per check	Country + city	€2.00 / GB €1.12 at 1 TB (−44%)
ARC Mobile Mobile 4G/5G	For inventory bought on mobile Genuine 4G/5G carrier IPs, which is the only way to see a placement targeted at carrier traffic. No city targeting on this pool, so plan checks at country level.	Sticky up to 60 minutes	Country only — DE, GB, US, JP	€3.50 / GB €3.15 at 1 TB (−10%)
ARC Ultra Premium residential	For premium publishers Our largest premium residential pool, for the publishers where a failed verification run is a client-facing problem.	Sticky per check	Country + city	€3.50 / GB €2.17 at 1 TB (−38%)

Prices are list prices in EUR, excl. VAT. Volume discounts apply automatically at checkout — full ladder on the pricing page.

Illustration

What verifying a campaign across six markets costs

An illustration with round numbers — your pages, payloads and retry rate will differ. The arithmetic is the real price ladder.

Assumptions

Placements: 200
Markets: 6
Checks per day: 4
Weight per rendered check: 2.5 MB with creatives
Bandwidth per month: ≈ 360 GB

On ARC Fast

€446.40per month, excl. VAT

360 GB bought in one purchase at €1.24 / GB (−38% volume rung, applied automatically).

The same 360 GB on ARC Ultra: €882.00 at €2.45 / GB. Route only the jobs that need it through the pricier pool.

Rendered verification is genuinely heavy — this is one of the few workloads where the creative assets, not the HTML, are the bill. Screenshot-only checks at a lower frequency are the usual way to bring it down.

Bandwidth never expires, so a bigger single purchase is only ever cheaper per GB. See the ladder.

Works with anything that takes a proxy URL

Playwright
Puppeteer
Selenium
Node.js
Python requests / httpx
Docker

FAQ

Questions

Something not covered? Write to contact@arcproxies.io.

Get started

Buy a gigabyte and try it on your own targets.

No subscription, no sales call. Code WELCOME15 takes 15% off your first purchase, and whatever you do not use is still there next quarter.

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