Before you monetize your app or website: how to vet an ad network like UndrAds so you don't end up unpaid

If you own an app or a website with real traffic, sooner or later ad networks will find you. The pitch is almost always the same: premium demand, high CPMs, fast integration and reliable, on-time payments. The overwhelming majority of these companies are legitimate and do exactly what they promise. But a small minority operate differently: they use your inventory for months and then simply don't pay. By the time you realise what is happening, you have already served the impressions. You can't get them back, and you can't un-run the campaigns. That asymmetry — you deliver first, they pay later — is the single most important thing to understand before you sign anything.

This guide is the checklist we wish every publisher would run before integrating an SDK or opening their inventory. It is written with the benefit of hindsight, informed by what the group of parties affected by UndrAds went through. None of these steps is complicated. Together they take an afternoon. And that afternoon can save you months of chasing money that never arrives.

Why the checks happen before, not after

In most commercial relationships you pay for something and receive it more or less immediately. Ad monetization inverts that. You provide the service — ad impressions, clicks, installs — across a full billing cycle, and only afterwards does the network calculate what it owes and, in theory, pay you on NET 30, NET 60 or worse. During that window you are effectively extending credit to a company you may barely know. If the network turns out to be unwilling or unable to pay, your only options are slow and expensive: formal demands, lawyers, and cross-border claims. Prevention is not just cheaper than the cure — often it is the only realistic remedy. So treat onboarding an ad network the way a bank treats a loan applicant: verify first, trust second.

1. Verify the website and the company's real presence

Start with what you can see publicly. A polished website is easy to buy; a real operating history is not.

• Domain age. Run a quick whois lookup on the company's domain. A firm that wants to plug into your inventory but whose website was registered only a few months ago deserves extra scrutiny. New isn't proof of anything by itself, but combined with other signals it matters.
• Real content vs. template. Be wary of sites stuffed with generic, AI-sounding copy, stock photography, and zero verifiable case studies. Watch for "partner" or "as seen in" logos that don't link anywhere, and for spectacular performance metrics presented with no source or methodology.
• Verifiable contact details. Look for a real physical address, a working phone number, and named people with checkable professional profiles. If the only ways to reach the company are a web form and a messaging-app handle, slow down.
• Technical footprint. Legitimate ad networks usually appear in the wider adtech ecosystem: an ads.txt/app-ads.txt presence, documentation, an SDK on a known repository, mentions in industry directories. A network that exists only on its own marketing site is a caution sign.

2. Verify the company — the legal entity, not just the brand

This is where most problems hide. A brand is a name and a logo; the thing that actually pays you (or fails to) is a legal entity, often in a different country than you assume. Before you trust anyone with your inventory, confirm the following and get it in writing.

• Legal name and country of registration. Ask for the exact registered name, including its legal form. Does it match the company that will actually send you money? Sometimes payments come from — or are meant to go to — a different entity or a third party. That single detail can make any future claim dramatically harder.
• Company registry or licence. In most jurisdictions you can check whether an entity exists, when it was incorporated, and who its directors are. A company set up in a foreign free zone is not illegal — but it can be much harder to pursue for a debt, so learn how enforcement works there before you trust it with meaningful amounts.
• Consistency across documents. The name on the contract, on the invoices, and on the bank account that pays you should all be the same. If at any point you are asked to route payment to an unrelated third party, treat it as a serious red flag.

3. Ask for references and talk to active clients

This is probably the most effective step of all, and the one people skip most often because it feels awkward. Do it anyway.

1. Ask for two or three publishers currently being paid by the network — not logos, but contactable people.
2. Reach those publishers independently. Don't rely only on the introduction the network gives you (which can be cherry-picked or staged). Find comparable publishers yourself on LinkedIn or in industry communities and message them directly.
3. Ask direct questions: Do they pay on time? On what terms? Have you ever had to chase a payment? Did the minimum payout threshold suddenly rise right when you were about to reach it? Has support gone quiet after you asked about money?
4. Search the public record. Look in adtech forums, publisher subreddits and industry groups. Try the company name together with words like "scam", "not paying" or "unpaid". One angry post proves nothing; a pattern is a warning.

4. Lock down the payment terms in writing

Verbal promises are worthless when a payment is late. Everything that matters should be documented before a single impression is served.

• Terms, threshold and method in writing. Payment terms (NET 30/60), the minimum payout threshold, the currency and the method — all explicit.
• Beware discretionary "quality" clauses. Watch for language that lets the network withhold payment for vaguely defined "traffic quality" or "invalid traffic" with no objective, auditable criteria. It is the single most common pretext used to avoid paying.
• Reconciliation rights. Insist on access to reporting you can compare against your own ad server. If their dashboard is the only source of truth and it doesn't reconcile with your numbers, you have no leverage.

5. Start small and scale only after you've been paid

Treat the first cycle as a paid pilot, not a full commitment. Route a modest share of your inventory, reach the payout threshold, and confirm the money actually lands — on the agreed date, from the expected entity, in full. Only after a clean first payment should you increase volume. A network that pressures you to scale before you've been paid once is telling you something important about how the relationship will go.

A quick pre-signing checklist

• Domain age checked and consistent with the company's claimed history.
• Legal name, country and registry confirmed; directors identifiable.
• The paying entity matches the contracting entity — no third-party payer.
• At least two independently contacted publishers confirm on-time payment.
• Written terms: schedule, threshold, method, and objective quality criteria.
• Reporting you can reconcile against your own numbers.
• A small pilot planned before any meaningful volume.

Frequently asked questions

Is a company registered in a free zone automatically suspicious? No. Plenty of legitimate adtech firms are based in free zones. The point is not to avoid them but to understand, in advance, how you would enforce a debt there — because it is often harder and slower than at home.

What if the network refuses to give me references? That is itself a data point. A confident, well-run network with happy publishers usually has no problem pointing you to a couple of them. Persistent vagueness about who is getting paid is a reason to be cautious, not reassured.

I've already integrated — is it too late? No. You can still verify the entity, tighten terms, reduce your exposure, and stop scaling until you have been paid a full cycle on time. The sooner you do it, the more options you keep.

The bottom line

Monetizing your traffic is a good thing, and most ad networks are exactly what they claim to be. But because you always deliver before you get paid, the burden is on you to verify who you are dealing with before you hand over your inventory. Check the site, confirm the legal entity, talk to publishers who are actually being paid, put the terms in writing, and start small. An afternoon of due diligence is a small price to avoid the far larger cost of unpaid invoices and a cross-border claim.

Has this already happened to you with UndrAds or another network, and you haven't been paid? Tell us your case and join the group of affected parties.

This article is general preventive information written by a group of affected people. It is not legal or financial advice. References to UndrAds reflect the opinion and testimony of the affected parties about alleged facts.

Related reading

• 10 signs an ad network like UndrAds may not pay you
• How to verify the company behind an ad network like UndrAds
• What to do if UndrAds hasn't paid you: steps to claim
• The documented evidence: the legal notice and the shares contract

If an ad network owes you money and has stopped replying, tell us your case — the better documented each case is, the stronger the group's position.