caerulus.io (caerulus.io) — ad network
Website: caerulus.io
caerulus.io is an advertising system that app publishers list in their app-ads.txt as “caerulus.io”. 2,305 checked publishers list it (79 with a DIRECT account, 2,302 through resellers). Its sellers.json lists 78 sellers: 44 publishers, 34 intermediaries.
sellers.json
Read 21 Oct 2026 from https://caerulus.io/sellers.json. Its sellers.json lists 78 sellers: 44 publishers, 34 intermediaries. We read it weekly to verify the seller accounts in publishers’ app-ads.txt files.
Of the 143 caerulus.io seller IDs we have seen in checked app-ads.txt files, 35 are in this sellers.json and 108 are not.
Publishers that list caerulus.io
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