Ad system
leanback.digital
Most of the 56,769 apps that declare leanback.digital reach it through a reseller: 98% have a RESELLER line, 31% a DIRECT one (6,139 files, 4,911 of them through pubeasy.io's account). 23% of the 9,663 lines checked name an account its sellers.json (130 sellers) does not list. 98% of the lines carry the certification ID b1d30350acaf0176.
- Apps declaring it
- 56,769
- Sellers in sellers.json
- 130
- Lines verified
- 66%
- Lines with errors
- 2,359
- Avg. supply path score
- 49.8 / 100
17,317 DIRECT · 55,852 RESELLER
0% confidential
6,624 of 10,053 checked lines
10,053 lines in total
58,862 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 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 leanback.digital 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.
leanback.digital, YOUR_ACCOUNT_ID, DIRECT, b1d30350acaf0176
leanback.digital, YOUR_ACCOUNT_ID, RESELLER, b1d30350acaf0176- Field 1:
leanback.digital, the domain leanback.digital uses in app-ads.txt. - Field 2: your account ID with leanback.digital. It must equal the
seller_idin leanback.digital'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):
b1d30350acaf0176, the certification authority ID on 98% of the lines naming leanback.digital.
sellers.json at a glance
- Status
- Published
- Sellers listed
- 130
- Confidential
- 0 (0%)
- Passthrough
- 0
- Removed, last 30 days
- 0
- Last read
- Oct 13, 2026
- PUBLISHER85
- INTERMEDIARY30
- BOTH15
Cross-check of lines naming leanback.digital
- Verified 6,624
- Seller ID not found 2,303
- DIRECT but intermediary 44
- RESELLER but publisher 12
- Seller type BOTH 1,070
- Confidential seller 0
- No sellers.json 0
- Unchecked 0
Every line naming leanback.digital is looked up in its sellers.json. What each status means
Common errors with leanback.digital lines
-
Seller ID not found
2,303 lines
Ask leanback.digital 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.
-
Seller type BOTH
1,070 lines
The account is listed as BOTH, so sellers.json alone cannot tell a buyer which relationship applies. Nothing to fix on your side; buyers usually look at the seller's domain.
-
DIRECT but intermediary
44 lines
If a partner holds this account and resells your inventory, the line should say RESELLER. If the account is yours, ask leanback.digital to list it as PUBLISHER.
-
RESELLER but publisher
12 lines
If the account is yours, declare it DIRECT. If a partner holds it, ask leanback.digital why the account is listed as PUBLISHER.
Intermediaries most declared as RESELLER
Accounts on leanback.digital 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 domain | Type | Files |
|---|---|---|
| pubeasy.io | INTERMEDIARY | 4,911 |
| pubnative.net | INTERMEDIARY | 699 |
| fubo.tv | INTERMEDIARY | 464 |
| bidmachine.com | BOTH | 172 |
| strongmetrics.io | INTERMEDIARY | 160 |
| darkmattertv.com | BOTH | 18 |
| ppc.buzz | INTERMEDIARY | 6 |
| loyal.app | INTERMEDIARY | 1 |
Apps that declare leanback.digital
| App | Store | Relationship | Status |
|---|---|---|---|
| Android | RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT + RESELLER | Live |
Questions about leanback.digital
Does leanback.digital publish a sellers.json?
Yes. Its file at https://leanback.digital/sellers.json listed 130 sellers when we last read it on 13 October 2026: 85 publishers, 30 intermediaries and 15 listed as both; 0% are confidential.
How many apps declare leanback.digital in app-ads.txt?
56,769 apps in Stoqlab's data (delisted apps included) declare leanback.digital: 17,317 with at least one DIRECT line and 55,852 with at least one RESELLER line, across 6,139 app-ads.txt files, as of 13 October 2026 (recounted daily).
What is the certification authority ID for leanback.digital?
98% of the app-ads.txt lines naming leanback.digital carry "b1d30350acaf0176" in the fourth field. The field is optional; the IAB Tech Lab ads.txt 1.1 specification says identifiers in sellers.json supersede it, so a missing or different value does not make a line invalid.
Why do leanback.digital lines fail verification?
Of 10,053 lines naming leanback.digital, 2,359 contradict its sellers.json. The most common case is "Seller ID not found", on 2,303 lines. Ask leanback.digital 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 leanback.digital. Something wrong? Tell us.