Ad system

caerulus.io

Most of the 98,089 apps that declare caerulus.io reach it through a reseller: 100% have a RESELLER line, 3.1% a DIRECT one (13,044 files, 10,516 of them through Mintegral's account). Its sellers.json lists 75 sellers but leaves out 245 accounts that app-ads.txt files name, so we do not grade the lines against it.

Apps declaring it
98,089

3,045 DIRECT · 98,056 RESELLER

Sellers in sellers.json
75

0% confidential

Lines verified
—

sellers.json incomplete

Lines with errors
11,368

41,789 lines in total

Avg. supply path score
50.5 / 100

102,478 apps scored

caerulus.io's sellers.json looks incomplete: it lists 75 sellers, while app-ads.txt files name 245 other caerulus.io accounts it does not list. A line it does not list may be a seller the network never published rather than a stale line, so we show no verified or not-listed share for it.

App counts, the sellers.json breakdown and the directory ranking are as of , recomputed daily (the same numbers as the directory). Line counts are recounted every 10 minutes. sellers.json last read 13 October 2026. The supply path score sums up how short and clean the declared paths are, 0 to 100 (how it is computed).

How to add caerulus.io to app-ads.txt

One line per account, in the app-ads.txt at the root of the domain your App Store and Google Play listings name as the developer website.

caerulus.io, YOUR_ACCOUNT_ID, DIRECT
caerulus.io, YOUR_ACCOUNT_ID, RESELLER
  • Field 1: caerulus.io, the domain caerulus.io uses in app-ads.txt.
  • Field 2: your account ID with caerulus.io. It must equal the seller_id in caerulus.io's sellers.json.
  • Field 3: DIRECT if you hold the account, RESELLER if a partner holds it and sells your inventory. DIRECT vs RESELLER
  • Field 4 (optional): a certification authority ID. Most lines naming caerulus.io carry none, or different ones, so we do not suggest one.

sellers.json at a glance

Status
Published
Sellers listed
75
Confidential
0 (0%)
Passthrough
0
Removed, last 30 days
0
Last read
Oct 13, 2026
  • PUBLISHER44
  • INTERMEDIARY31
  • BOTH0

Cross-check of lines naming caerulus.io

  • Verified 30,421
  • Seller ID not found 11,368
  • DIRECT but intermediary 0
  • RESELLER but publisher 0
  • Seller type BOTH 0
  • Confidential seller 0
  • No sellers.json 0
  • Unchecked 0

Every line naming caerulus.io is looked up in its sellers.json. What each status means

Common errors with caerulus.io lines

  • Seller ID not found 11,368 lines

    Ask caerulus.io for the account ID it lists for you in its sellers.json, correct the line, or remove it if you no longer work with them. Buyers that check sellers.json drop these paths.

Common app-ads.txt errors and how to fix them

Intermediaries most declared as RESELLER

Accounts on caerulus.io that its sellers.json lists as INTERMEDIARY or BOTH, by the number of app-ads.txt files declaring them. Confidential sellers are left out.

Seller domainTypeFiles
mintegral.com INTERMEDIARY 10,516
vungle.com INTERMEDIARY 6,886
bidease.com INTERMEDIARY 5,358
chartboost.com INTERMEDIARY 4,672
zmaticoo.com INTERMEDIARY 1,262
opera.com INTERMEDIARY 33
gocarty.net INTERMEDIARY 3

Apps that declare caerulus.io

AppStoreRelationshipStatus
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live

Questions about caerulus.io

Does caerulus.io publish a sellers.json?

Yes. Its file at https://caerulus.io/sellers.json listed 75 sellers when we last read it on 13 October 2026: 44 publishers, 31 intermediaries and 0 listed as both; 0% are confidential.

How many apps declare caerulus.io in app-ads.txt?

98,089 apps in Stoqlab's data (delisted apps included) declare caerulus.io: 3,045 with at least one DIRECT line and 98,056 with at least one RESELLER line, across 13,044 app-ads.txt files, as of 13 October 2026 (recounted daily).

Why do caerulus.io lines fail verification?

Of 41,789 lines naming caerulus.io, 11,368 contradict its sellers.json. The most common case is "Seller ID not found", on 11,368 lines. Ask caerulus.io for the account ID it lists for you in its sellers.json, correct the line, or remove it if you no longer work with them. Buyers that check sellers.json drop these paths.

Not sure whether your line should say DIRECT or RESELLER? DIRECT vs RESELLER in app-ads.txt

Sources: the public app-ads.txt files of tracked apps and the sellers.json of caerulus.io. Something wrong? Tell us.