33across.com (33across.com) — ad network

Website: 33across.com

33across.com is an advertising system that app publishers list in their app-ads.txt as “33across.com”. 3,317 checked publishers list it (947 with a DIRECT account, 3,293 through resellers). Its sellers.json lists 2,178 sellers: 1,234 publishers, 243 intermediaries, 701 both.

sellers.json

Read 21 Oct 2026 from https://platform.33across.com/sellers.json. Its sellers.json lists 2,178 sellers: 1,234 publishers, 243 intermediaries, 701 both. We read it weekly to verify the seller accounts in publishers’ app-ads.txt files.

Of the 170 33across.com seller IDs we have seen in checked app-ads.txt files, 152 are in this sellers.json and 18 are not.

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