Ad system

proper.io

All 3 apps that declare proper.io hold a DIRECT account with it (2 app-ads.txt files). We found no readable sellers.json for proper.io, so none of the 2 lines naming it can be checked.

Apps declaring it
3

3 DIRECT · 0 RESELLER

Sellers in sellers.json
0

Not found

Lines verified
—

no line checked yet

Lines with errors
0

2 lines in total

Avg. supply path score
48.3 / 100

9 apps scored

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 7 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 proper.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.

proper.io, YOUR_ACCOUNT_ID, DIRECT
proper.io, YOUR_ACCOUNT_ID, RESELLER
  • Field 1: proper.io, the domain proper.io uses in app-ads.txt.
  • Field 2: your account ID with proper.io. It must equal the seller_id in proper.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 proper.io carry none, or different ones, so we do not suggest one.

sellers.json at a glance

Status
Not found
Sellers listed
0
Confidential
0 (0%)
Passthrough
0
Removed, last 30 days
0
Last read
Oct 7, 2026

Cross-check of lines naming proper.io

  • Verified 0
  • Seller ID not found 0
  • DIRECT but intermediary 0
  • RESELLER but publisher 0
  • Seller type BOTH 0
  • Confidential seller 0
  • No sellers.json 2
  • Unchecked 0

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

Common errors with proper.io lines

  • No sellers.json 2 lines

    proper.io has no sellers.json we can read, so these lines cannot be checked by anyone.

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

Apps that declare proper.io

AppStoreRelationshipStatus
iOS DIRECT Live
iOS DIRECT Live
iOS DIRECT Live

Questions about proper.io

Does proper.io publish a sellers.json?

We found no sellers.json at https://proper.io/sellers.json when we last looked on 7 October 2026. Lines naming proper.io cannot be checked against it.

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

3 apps in Stoqlab's data (delisted apps included) declare proper.io: 3 with at least one DIRECT line and 0 with at least one RESELLER line, across 2 app-ads.txt files, as of 14 October 2026 (recounted daily).

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 proper.io. Something wrong? Tell us.