For ad-tech sales and partnerships teams
Publisher Watch
New publisher leads when a site adds or drops an ad seller. Checked daily. Seen twice before it reaches you.
Publisher Watch reads its source, ads.txt files published by each site, daily, and has confirmed 55,907 changes since Oct 31, 2026.
- Every confirmed seller change across 8,118 publishers.
- Data files rebuilt each week: the latest state and every confirmed change. Every row is a confirmed check with its evidence.
- Every change links to the files as fetched.
- No account. Your feed arrives by signed email link.
Want a note when it opens? Write to support@runitbyrobot.com.
First month not right? Refund it yourself within 14 days. Conditions
| brit.co | ADDED | yahoo.com |
| brit.co | ADDED | video.unrulymedia.com |
| brit.co | ADDED | triplelift.com |
Why a change is a lead
Added a seller
A publisher added a seller. Its ad stack is moving. A good week to call.
Dropped a seller
A publisher dropped a seller. A slot may be open. Ask.
Filter by ad system
Pick any exchange or SSP. See who added it, and who dropped it.
The robot shows the change. You judge the deal.
Last week: 10 of 55,907 changes
| Publisher | Change | Line | Confirmed |
|---|---|---|---|
| brit.co | ADDED | yahoo.com, 100043, RESELLER, e1a5b5b6e3255540 | 11-09 23:42 |
| brit.co | ADDED | video.unrulymedia.com, 3728224204249146186, RESELLER | 11-09 23:42 |
| brit.co | ADDED | triplelift.com, 11014, RESELLER, 6c33edb13117fd86 | 11-09 23:42 |
| brit.co | ADDED | stnvideo.com, 01g6x7v1b2as, DIRECT | 11-09 23:42 |
| brit.co | ADDED | smartadserver.com, 4949, RESELLER, 060d053dcf45cbf3 | 11-09 23:42 |
| brit.co | ADDED | smartadserver.com, 4899, RESELLER, 060d053dcf45cbf3 | 11-09 23:42 |
| brit.co | ADDED | smaato.com, 1100053415, RESELLER, 07bcf65f187117b4 | 11-09 23:42 |
| brit.co | ADDED | sharethrough.com, 4899, RESELLER, d53b998a7bd4ecd2 | 11-09 23:42 |
| brit.co | ADDED | rubiconproject.com, 18782, RESELLER, 0bfd66d529a55807 | 11-09 23:42 |
| brit.co | ADDED | rubiconproject.com, 16114, RESELLER, 0bfd66d529a55807 | 11-09 23:42 |
Coverage, before you buy
- 8,118 publishers today, from the Tranco top 50,000. History starts 2026-10-31. Nothing older.
- Checked daily. A change shows only after a second check, at least an hour later.
- History starts 2026-10-31. Coverage numbers arrive after 14 days.
Questions before you buy
Who is it for?
Sales and partnerships teams at SSPs, exchanges, and ad networks. Anyone who sells to publishers.
How fresh is it?
Checked daily. A change reaches your feed after a second check confirms it, at least an hour later.
Which publishers are on the list?
The 8,118 most popular sites that publish an ads.txt file under 1 MB, from the Tranco top 50,000. The list refreshes each month.
Can my team use it?
Yes. One subscription serves your organization. Your team shares one link and one set of allowances.
How do I pay, cancel, or get a refund?
Pay through Stripe, which emails a receipt each month. Prices exclude any sales tax. Cancel anytime in the billing portal; access runs to the end of the paid period. Refund your first month yourself, on your feed page, within 14 days of the first charge, when this is the first subscription for your email and card and you have downloaded no data file. Renewals are not refunded.
How do I reach a person?
Write to support@runitbyrobot.com. A person reads it.
Start free, or watch them all
Free report
- Look up any domain. No account.
- A dated link you can cite.
- Every change dated, with the files as fetched.
Publisher Watch
- Every seller change across 8,118 publishers.
- Data files rebuilt each week: the latest state and every confirmed change. Every row is a confirmed check with its evidence.
The feed shows each site's own public files, as fetched, with the date. It does not judge compliance, approval, or intent. A file line is not a contract.