undertone.com

Fetch Details

First Fetch	2021-06-10T11:04:43+00:00
Last Fetch	2026-03-13T12:30:38+00:00
Fetch Status	Ok

Fetch Requests (1)

Last Fetch

Fetched	2026-03-13T12:30:38+00:00
URL	https://undertone.com/sellers.json
Content Type	application/json
Hash	efd1a16eea4bc7e37c9188549dfb2cedc9afc64d5ae5c369f293cfb54c311dea
SimHash	fa119325ade2

Sellers.json Details

Version	1.0
Contact Email	csop@undertone.com
Contact Address	Undertone., One World Trade Center 77th Floor, Suite A ,New York, NY 10007
TAG-ID	d954590d0cb265b9

Current Sellers

Breakdown of the ad seller records from undertone.com's sellers.json file. Sellers can represent publishers, intermediaries, or both. They may have public ownership information, or be marked as confidential.

Ownership	Publisher	Intermediary	Both	Total
Public	155	22	9	186
Confidential	0	0	0	0
Total	155	22	9	186

Missing Sellers

Sellers that were present in previously fetched versions of undertone.com's sellers.json file, but were missing from the last successfully fetched file.

Ownership	Publisher	Intermediary	Both	Total
Public	336	47	7	390
Confidential	0	0	0	0
Total	336	47	7	390

Warnings

Code	Description	Count
sellers_invalid_domains	Invalid sellers[].domain field.	6
sellers_missing_domains	Missing sellers[].domain field.	12
sellers_subdomain_domains	Subdomain sellers[].domain field.	3

Seller Profiles

Sellers are profiled based on the sites (ads.txt) and app developers (app-ads.txt) that authorize them. Profiles are recalculated periodically, so may not incorporate recent changes.

Authorized Sellers

The number of current undertone.com sellers authorized by at least one site or app developer, broken down by the declared relationship.

Resource	Direct	Reseller	All
ads.txt	120	24	126
app-ads.txt	54	19	59

Expected Types

Comparison between the declared types of current undertone.com sellers and their expected types, based on the relationships declared by the sites and app developers that authorize them.

Expected Type	Publisher	Intermediary	Both
Publisher	98	1	5
Intermediary	1	4	0
Both	9	6	4

Profile Warnings

Description	Count
Authorized direct by multiple owners.	59
Not authorized by any known site/app.	58
Type doesn't match expected type.	22
Domain doesn't match expected domain.	18

Authorizing Entities

The number of sites (ads.txt) and app developers (app-ads.txt) that authorize accounts from undertone.com, broken down by the declared relationship.

Resource	Direct	Reseller	All
ads.txt	51,263	107,979	140,778
app-ads.txt	5,862	65,488	66,638

Owned Sellers

Sellers from other ad systems that list undertone.com as the owner domain.

Status	Publisher	Intermediary	Both	Total
Ok	0	10	0	10
Missing	2	74	4	80
Total	2	84	4	90