Ad system
leanback.digital
leanback.digital is the domain an ad system uses in app-ads.txt and ads.txt files. 48,076 apps in our data declare it. Its sellers.json lists 130 sellers.
- Apps declaring it
- 48,076
- Sellers in sellers.json
- 130
- Lines verified
- 65%
- Lines with errors
- 1,747
- Avg. supply path score
- 49.7 / 100
15,593 DIRECT · 47,383 RESELLER
0% confidential
4,841 of 7,456 checked lines
7,456 lines in total
48,305 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 9 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 9, 2026
- PUBLISHER85
- INTERMEDIARY30
- BOTH15
Cross-check of lines naming leanback.digital
- Verified 4,841
- Seller ID not found 1,708
- DIRECT but intermediary 29
- RESELLER but publisher 10
- Seller type BOTH 868
- 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
1,708 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
868 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
29 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
10 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 | 3,662 |
| pubnative.net | INTERMEDIARY | 544 |
| fubo.tv | INTERMEDIARY | 374 |
| bidmachine.com | BOTH | 152 |
| strongmetrics.io | INTERMEDIARY | 134 |
| darkmattertv.com | BOTH | 13 |
| 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
How do I add leanback.digital to app-ads.txt?
Add one line for each account leanback.digital gives you: "leanback.digital, YOUR_ACCOUNT_ID, DIRECT, b1d30350acaf0176". Use DIRECT when you hold the account yourself and RESELLER when a partner holds it and sells your inventory through leanback.digital. The account ID must be the seller_id leanback.digital lists for you in its sellers.json; leanback.digital 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 leanback.digital publish a sellers.json?
Yes. Its file at https://leanback.digital/sellers.json listed 130 sellers when we last read it on 9 October 2026: 85 publishers, 30 intermediaries and 15 listed as both; 0% are confidential.
How many apps declare leanback.digital in app-ads.txt?
48,076 apps in Stoqlab's data (delisted apps included) declare leanback.digital: 15,593 with at least one DIRECT line and 47,383 with at least one RESELLER line, across 4,605 app-ads.txt files. Counts are recomputed 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 7,456 lines naming leanback.digital, 1,747 contradict its sellers.json. The most common case is "Seller ID not found" (1,708 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.
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 leanback.digital. Something wrong? Tell us.