Ad system
apptimism.com
apptimism.com is the domain an ad system uses in app-ads.txt and ads.txt files. 1,074 apps in our data declare it. Its sellers.json lists 20 sellers.
- Apps declaring it
- 1,074
- Sellers in sellers.json
- 20
- Lines verified
- 70%
- Lines with errors
- 30
- Avg. supply path score
- 48.1 / 100
1,074 DIRECT · 0 RESELLER
5% confidential
71 of 101 checked lines
101 lines in total
1,052 apps scored
Apps and lines are recounted every 10 minutes. The sellers.json breakdown and the directory ranking are as of , recomputed daily. sellers.json last read 10 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 apptimism.com 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.
apptimism.com, YOUR_ACCOUNT_ID, DIRECT
apptimism.com, YOUR_ACCOUNT_ID, RESELLER- Field 1:
apptimism.com, the domain apptimism.com uses in app-ads.txt. - Field 2: your account ID with apptimism.com. It must equal the
seller_idin apptimism.com'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 apptimism.com carry none, or different ones, so we do not suggest one.
sellers.json at a glance
- Status
- Published
- Sellers listed
- 20
- Confidential
- 1 (5%)
- Passthrough
- 0
- Removed, last 30 days
- 0
- Last read
- Oct 10, 2026
- PUBLISHER20
- INTERMEDIARY0
- BOTH0
Cross-check of lines naming apptimism.com
- Verified 71
- Seller ID not found 30
- DIRECT but intermediary 0
- RESELLER but publisher 0
- Seller type BOTH 0
- Confidential seller 0
- No sellers.json 0
- Unchecked 0
Every line naming apptimism.com is looked up in its sellers.json. What each status means
Common errors with apptimism.com lines
-
Seller ID not found
30 lines
Ask apptimism.com 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.
Apps that declare apptimism.com
| App | Store | Relationship | Status |
|---|---|---|---|
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT | Live | |
| iOS | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT | Live | |
| Android | DIRECT | Live |
Questions about apptimism.com
How do I add apptimism.com to app-ads.txt?
Add one line for each account apptimism.com gives you: "apptimism.com, YOUR_ACCOUNT_ID, DIRECT". Use DIRECT when you hold the account yourself and RESELLER when a partner holds it and sells your inventory through apptimism.com. The account ID must be the seller_id apptimism.com lists for you in its sellers.json; apptimism.com will give it to you. Put the file at the root of the domain named as your developer website in the App Store and Google Play listings.
Does apptimism.com publish a sellers.json?
Yes. Its file at https://apptimism.com/sellers.json listed 20 sellers when we last read it on 10 October 2026: 20 publishers, 0 intermediaries and 0 listed as both; 5% are confidential.
How many apps declare apptimism.com in app-ads.txt?
1,074 apps in Stoqlab's data (delisted apps included) declare apptimism.com: 1,074 with at least one DIRECT line and 0 with at least one RESELLER line, across 64 app-ads.txt files. Counts are recomputed daily.
Why do apptimism.com lines fail verification?
Of 101 lines naming apptimism.com, 30 contradict its sellers.json. The most common case is "Seller ID not found" (30 lines): Ask apptimism.com 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.
What is the difference between DIRECT and RESELLER?
DIRECT means the publisher owns the account; RESELLER means an intermediary sells the inventory on the publisher's behalf. DIRECT lines should match a PUBLISHER entry in the network's sellers.json, RESELLER lines an INTERMEDIARY entry.
Sources: the public app-ads.txt files of tracked apps and the sellers.json of apptimism.com. Something wrong? Tell us.