What to do
What named sources recommend, and how they say to do it or measure it, newest first.
Sep 1, 2023In View client
Patrick O'Leary, CEO of Boostr, recommends that publishers invoice agencies with figures that match the agency's numbers, because invoices with errors get paid later.
From Patrick O'Leary, CEO and founder, Boostr, boostr.com
Keep in mind: Vendor blog post from September 2023. Boostr also cites a 4As report that average client payment terms to agencies rose to 58.1 days; that report was not opened (403). Boostr is an In View client.
Jul 7, 2023
Emry Downinghall of Unwind Media recommends that publishers use SSP reports to measure their exposure to an unpaid DSP. He then recommends asking the most exposed SSPs how they will respond.
From Emry Downinghall, SVP programmatic revenue and strategy, Unwind Media, AdMonsters
Keep in mind: Advice given in July 2023 for the MediaMath bankruptcy; it applies to any DSP insolvency.
What people saw
Observations and reported facts, newest first.
Oct 28, 2025
OAREX payment data showed that 58% of ad tech invoices were paid late in the first half of 2025, Digiday reported on 2025-10-28.
From OAREX, Digiday
Keep in mind: OAREX sells receivables financing to ad tech and media companies; the data covers its own portfolio, not the whole market. The OAREX H1 2025 report itself was not opened.
Oct 28, 2025
In October 2025, GumGum's Adam Schenkel told Digiday that GumGum pays publishers in 45 to 60 days and waits 90 to 120 days for agencies.
From Adam Schenkel, EVP global platform strategy and operations, GumGum, Digiday
Keep in mind: One SSP's own description of its terms; Digiday did not publish supporting data.
Oct 28, 2025
Digiday reported on 2025-10-28 that most ad tech contracts include a sequential liability clause. The clause makes an intermediary liable to pay only after it gets paid.
From Digiday, digiday.com
Keep in mind: Digiday does not cite a contract survey for 'most'.
Apr 9, 2025
Revving CEO Chris Pettit said in April 2025 that early-payment platforms charge a percentage of transaction value per 30 days, set by debtor credit risk.
From Chris Pettit, CEO, Revving, InPublishing
Keep in mind: Vendor describing its own category; no rate is given. Pettit also says ad tech payment terms routinely stretch beyond 120 days.
Jul 3, 2023
MediaMath's Chapter 11 filing on 2023-06-30 listed Magnite as owed $12.6 million and PubMatic as owed $10.5 million, AdExchanger reported.
From MediaMath bankruptcy filing, AdExchanger
Keep in mind: The filing listed $100 million to $500 million in liabilities and 200 to 999 creditors. Digiday reported PubMatic's figure as $10.4 million. Google ($1.7 million) and DoubleVerify ($1.5 million) were also listed creditors.
What people think
Named views and readings, newest first. A view is not a fact.
Oct 27, 2025Published by Beeler.Tech
Emry Downinghall of Unwind Media wrote for Beeler.Tech that working with fewer SSPs gives a publisher the opportunity to negotiate faster payment terms.
From Emry Downinghall, Programmatic Revenue & Strategy, Unwind Media, Beeler.Tech
Keep in mind: First published in March 2023 and republished on Beeler.Tech on 2025-10-27. Payment terms are one of several consolidation benefits he lists; he gives no figures.