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Vendor diligence

Spotting a vendor who is reselling somebody else’s leads

Five checks, none of which require them to cooperate.

Alex Makowski · Updated 30 August 2026 · 2 min read

The short answer

Ask for the live landing page URL, check who runs the ads, look at the disclosure text for a brand that is not theirs, watch for records arriving in batches on supposedly real-time delivery, and see whether merchants mention other brokers calling. A reseller is not automatically a bad vendor, but you are paying a margin for a chain you cannot inspect.

Plenty of vendors buy from a generator and sell on. The problem is not the arrangement, it is that you are paying for exclusivity and consent quality that neither party controls, and the diligence stops one link short of where it needs to reach.

CheckWhat a reseller looks like
Ask for the live landing pageReluctance, or a page under another brand
Look at the ad library for their brandNo ads running, ever
Read the consent disclosureNames a company you have not heard of
Watch arrival timesBatches on the hour, on "real time" delivery
Ask merchants who else calledSeveral brokers, same day

The arrival pattern is the giveaway

Genuine real-time generation produces records at the irregular intervals humans fill in forms. A vendor that delivers in clusters at consistent times is being pulled from somewhere else on a schedule, whatever the contract calls it. This one you can check yourself from your own timestamps, without asking anybody anything.

Why it matters commercially

  • Exclusivity is only as good as the generator’s policy, which your vendor cannot enforce.
  • You pay a margin for a link that adds no verification and no screening.
  • Consent records live two parties away, and you are the one placing the call.
  • When quality drops, your vendor cannot fix it — they can only complain upstream on your behalf.

That last point is the practical difference. A generator who owns their traffic can change the creative, tighten the screening or turn a bad source off. A reseller can send an email.

Questions.

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