Ad system
wunderkind.co
675 apps across 515 app-ads.txt files declare wunderkind.co; 100% hold a DIRECT account and 0.4% list it as a RESELLER. Of 761 lines checked against its sellers.json (638 sellers), 78% match, 19% name an unlisted account and 3.4% declare the wrong seller type.
- Apps declaring it
- 675
- Sellers in sellers.json
- 638
- Lines verified
- 78%
- Lines with errors
- 171
- Avg. supply path score
- 55.8 / 100
672 DIRECT · 3 RESELLER
0% confidential
592 of 763 checked lines
763 lines in total
699 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 12 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 wunderkind.co 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.
wunderkind.co, YOUR_ACCOUNT_ID, DIRECT
wunderkind.co, YOUR_ACCOUNT_ID, RESELLER- Field 1:
wunderkind.co, the domain wunderkind.co uses in app-ads.txt. - Field 2: your account ID with wunderkind.co. It must equal the
seller_idin wunderkind.co'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 wunderkind.co carry none, or different ones, so we do not suggest one.
sellers.json at a glance
- Status
- Published
- Sellers listed
- 638
- Confidential
- 0 (0%)
- Passthrough
- 0
- Removed, last 30 days
- 0
- Last read
- Oct 12, 2026
- PUBLISHER492
- INTERMEDIARY128
- BOTH18
Cross-check of lines naming wunderkind.co
- Verified 592
- Seller ID not found 145
- DIRECT but intermediary 26
- RESELLER but publisher 0
- Seller type BOTH 0
- Confidential seller 0
- No sellers.json 0
- Unchecked 0
Every line naming wunderkind.co is looked up in its sellers.json. What each status means
Common errors with wunderkind.co lines
-
Seller ID not found
145 lines
Ask wunderkind.co 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.
-
DIRECT but intermediary
26 lines
If a partner holds this account and resells your inventory, the line should say RESELLER. If the account is yours, ask wunderkind.co to list it as PUBLISHER.
Apps that declare wunderkind.co
| App | Store | Relationship | Status |
|---|---|---|---|
| Android | DIRECT | Live | |
| iOS | DIRECT | Live | |
| iOS | DIRECT | Live | |
| iOS | 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 | |
| iOS | DIRECT | Live | |
| iOS | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT | Live | |
| iOS | DIRECT | Live | |
| iOS | DIRECT | Live | |
| iOS | DIRECT | Live |
Questions about wunderkind.co
Does wunderkind.co publish a sellers.json?
Yes. Its file at https://www.wunderkind.co/sellers.json listed 638 sellers when we last read it on 12 October 2026: 492 publishers, 128 intermediaries and 18 listed as both; 0% are confidential.
How many apps declare wunderkind.co in app-ads.txt?
675 apps in Stoqlab's data (delisted apps included) declare wunderkind.co: 672 with at least one DIRECT line and 3 with at least one RESELLER line, across 515 app-ads.txt files, as of 12 October 2026 (recounted daily).
Why do wunderkind.co lines fail verification?
Of 763 lines naming wunderkind.co, 171 contradict its sellers.json. The most common case is "Seller ID not found", on 145 lines. Ask wunderkind.co 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 wunderkind.co. Something wrong? Tell us.