Video SSP
SpotX
spotxchange.com
spotxchange.com is a domain of SpotX, the video sell-side platform Magnite acquired in 2021.
Most of the 148,173 apps that declare spotxchange.com reach it through a reseller: 100% have a RESELLER line, 8.2% a DIRECT one. We found no readable sellers.json for spotxchange.com, so none of the 139,246 lines naming it can be checked. 89% of the lines carry the certification ID 7842df1d2fe2db34.
- Apps declaring it
- 148,173
- Sellers in sellers.json
- 0
- Lines verified
- —
- Lines with errors
- 0
- Avg. supply path score
- 49.6 / 100
12,089 DIRECT · 147,564 RESELLER
Unreachable
no line checked yet
145,875 lines in total
154,356 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 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 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.
spotxchange.com, YOUR_ACCOUNT_ID, DIRECT, 7842df1d2fe2db34
spotxchange.com, YOUR_ACCOUNT_ID, RESELLER, 7842df1d2fe2db34- Field 1:
spotxchange.com, 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 89% of the lines naming spotxchange.com.
sellers.json at a glance
- Status
- Unreachable
- Sellers listed
- 0
- Confidential
- 0 (0%)
- Passthrough
- 0
- Removed, last 30 days
- 0
- Last read
- Oct 9, 2026
Cross-check of lines naming spotxchange.com
- 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 145,875
Every line naming spotxchange.com is looked up in its sellers.json. What each status means
Apps that declare spotxchange.com
| App | Store | Relationship | Status |
|---|---|---|---|
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| iOS | DIRECT + RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| iOS | RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live |
Questions about SpotX
Does SpotX publish a sellers.json?
We could not reach it (last attempt 9 October 2026). Lines naming spotxchange.com stay unchecked until it answers again.
How many apps declare SpotX in app-ads.txt?
148,173 apps in Stoqlab's data (delisted apps included) declare spotxchange.com: 12,089 with at least one DIRECT line and 147,564 with at least one RESELLER line, across 21,976 app-ads.txt files, as of 13 October 2026 (recounted daily).
What is the certification authority ID for SpotX?
89% of the app-ads.txt lines naming spotxchange.com 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 spotxchange.com. Something wrong? Tell us.