Video SSP

SpotX

spotxchange.com

spotxchange.com is a domain of SpotX, the video sell-side platform Magnite acquired in 2021.

Most of the 156,858 apps that declare spotxchange.com reach it through a reseller: 100% have a RESELLER line, 8.1% a DIRECT one. We found no readable sellers.json for spotxchange.com, so none of the 145,939 lines naming it can be checked. 89% of the lines carry the certification ID 7842df1d2fe2db34.

Apps declaring it
156,858

12,670 DIRECT · 156,228 RESELLER

Sellers in sellers.json
0

Unreachable

Lines verified
—

no line checked yet

Lines with errors
0

146,970 lines in total

Avg. supply path score
49.6 / 100

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_id in 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 146,970

Every line naming spotxchange.com is looked up in its sellers.json. What each status means

Apps that declare spotxchange.com

AppStoreRelationshipStatus
Android RESELLER Live
Android DIRECT + RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
iOS RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android DIRECT + RESELLER Live
Android RESELLER Live
Android DIRECT + RESELLER Live
Android RESELLER Live
Android RESELLER Live
iOS RESELLER Live
Android 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?

156,858 apps in Stoqlab's data (delisted apps included) declare spotxchange.com: 12,670 with at least one DIRECT line and 156,228 with at least one RESELLER line, across 23,107 app-ads.txt files, as of 14 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.