Video SSP
SpotX
spotx.tv
SpotX was a video sell-side platform; Magnite acquired it in 2021.
Most of the 147,471 apps that declare spotx.tv reach it through a reseller: 100% have a RESELLER line, 6.5% a DIRECT one. We found no readable sellers.json for spotx.tv, so none of the 112,642 lines naming it can be checked. 97% of the lines carry the certification ID 7842df1d2fe2db34.
- Apps declaring it
- 147,471
- Sellers in sellers.json
- 0
- Lines verified
- —
- Lines with errors
- 0
- Avg. supply path score
- 49.6 / 100
9,649 DIRECT · 146,798 RESELLER
Unreachable
no line checked yet
117,719 lines in total
153,588 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 8 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 SpotX 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.
spotx.tv, YOUR_ACCOUNT_ID, DIRECT, 7842df1d2fe2db34
spotx.tv, YOUR_ACCOUNT_ID, RESELLER, 7842df1d2fe2db34- Field 1:
spotx.tv, the domain SpotX uses in app-ads.txt. - Field 2: your account ID with SpotX. It must equal the
seller_idin SpotX'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):
7842df1d2fe2db34, the certification authority ID on 97% of the lines naming spotx.tv.
sellers.json at a glance
- Status
- Unreachable
- Sellers listed
- 0
- Confidential
- 0 (0%)
- Passthrough
- 0
- Removed, last 30 days
- 0
- Last read
- Oct 8, 2026
Cross-check of lines naming spotx.tv
- Verified 0
- Seller ID not found 0
- DIRECT but intermediary 0
- RESELLER but publisher 0
- Seller type BOTH 0
- Confidential seller 0
- No sellers.json 0
- Unchecked 117,719
Every line naming spotx.tv is looked up in its sellers.json. What each status means
Apps that declare spotx.tv
| App | Store | Relationship | Status |
|---|---|---|---|
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT + 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 | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live |
Questions about SpotX
Does SpotX publish a sellers.json?
We could not reach it (last attempt 8 October 2026). Lines naming spotx.tv stay unchecked until it answers again.
How many apps declare SpotX in app-ads.txt?
147,471 apps in Stoqlab's data (delisted apps included) declare spotx.tv: 9,649 with at least one DIRECT line and 146,798 with at least one RESELLER line, across 21,785 app-ads.txt files, as of 13 October 2026 (recounted daily).
What is the certification authority ID for SpotX?
97% of the app-ads.txt lines naming spotx.tv carry "7842df1d2fe2db34" 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.
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 spotx.tv. Something wrong? Tell us.