Ad system
taboola.com
41,063 apps across 5,352 app-ads.txt files declare taboola.com; 96% hold a DIRECT account and 40% list it as a RESELLER. 67% of the 197,372 lines checked name an account its sellers.json (20,772 sellers) does not list. 3,251 sellers left its sellers.json in the last 30 days.
- Apps declaring it
- 41,063
- Sellers in sellers.json
- 20,772
- Lines verified
- 32%
- Lines with errors
- 134,578
- Avg. supply path score
- 50.2 / 100
39,237 DIRECT · 16,203 RESELLER
0% confidential
64,049 of 199,247 checked lines
199,247 lines in total
42,977 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 taboola.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.
taboola.com, YOUR_ACCOUNT_ID, DIRECT, c228e6794e811952
taboola.com, YOUR_ACCOUNT_ID, RESELLER, c228e6794e811952- Field 1:
taboola.com, the domain taboola.com uses in app-ads.txt. - Field 2: your account ID with taboola.com. It must equal the
seller_idin taboola.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):
c228e6794e811952, the certification authority ID on 100% of the lines naming taboola.com.
sellers.json at a glance
- Status
- Published
- Sellers listed
- 20,772
- Confidential
- 0 (0%)
- Passthrough
- 0
- Removed, last 30 days
- 3,251
- Last read
- Oct 13, 2026
- PUBLISHER13,955
- INTERMEDIARY6,676
- BOTH141
Cross-check of lines naming taboola.com
- Verified 64,049
- Seller ID not found 134,156
- DIRECT but intermediary 299
- RESELLER but publisher 123
- Seller type BOTH 620
- Confidential seller 0
- No sellers.json 0
- Unchecked 0
Every line naming taboola.com is looked up in its sellers.json. What each status means
Common errors with taboola.com lines
-
Seller ID not found
134,156 lines
Ask taboola.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.
-
Seller type BOTH
620 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
299 lines
If a partner holds this account and resells your inventory, the line should say RESELLER. If the account is yours, ask taboola.com to list it as PUBLISHER.
-
RESELLER but publisher
123 lines
If the account is yours, declare it DIRECT. If a partner holds it, ask taboola.com why the account is listed as PUBLISHER.
Intermediaries most declared as RESELLER
Accounts on taboola.com 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 |
|---|---|---|
| stroeer.de | BOTH | 17 |
Apps that declare taboola.com
| App | Store | Relationship | Status |
|---|---|---|---|
| iOS | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT + RESELLER | Live | |
| iOS | DIRECT | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT | Live | |
| iOS | RESELLER | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT | Live |
Questions about taboola.com
Does taboola.com publish a sellers.json?
Yes. Its file at https://www.taboola.com/sellers.json listed 20,772 sellers when we last read it on 13 October 2026: 13,955 publishers, 6,676 intermediaries and 141 listed as both; 0% are confidential.
How many apps declare taboola.com in app-ads.txt?
41,063 apps in Stoqlab's data (delisted apps included) declare taboola.com: 39,237 with at least one DIRECT line and 16,203 with at least one RESELLER line, across 5,352 app-ads.txt files, as of 13 October 2026 (recounted daily).
What is the certification authority ID for taboola.com?
100% of the app-ads.txt lines naming taboola.com carry "c228e6794e811952" 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 taboola.com lines fail verification?
Of 199,247 lines naming taboola.com, 134,578 contradict its sellers.json. The most common case is "Seller ID not found", on 134,156 lines. Ask taboola.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.
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 taboola.com. Something wrong? Tell us.