Ad system
nextmillennium.io
Most of the 63,242 apps that declare nextmillennium.io reach it through a reseller: 97% have a RESELLER line, 23% a DIRECT one (8,000 files, 1,577 of them through Smaato's account). Of 31,776 lines checked against its sellers.json (608 sellers), 16% match, 1.4% name an unlisted account and 64% declare the wrong seller type. 62% of the lines carry the certification ID 65bd090fa4a1e3d6.
- Apps declaring it
- 63,242
- Sellers in sellers.json
- 608
- Lines verified
- 16%
- Lines with errors
- 21,014
- Avg. supply path score
- 50.2 / 100
14,517 DIRECT · 61,263 RESELLER
0% confidential
5,263 of 32,172 checked lines
32,172 lines in total
65,835 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 nextmillennium.io 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.
nextmillennium.io, YOUR_ACCOUNT_ID, DIRECT, 65bd090fa4a1e3d6
nextmillennium.io, YOUR_ACCOUNT_ID, RESELLER, 65bd090fa4a1e3d6- Field 1:
nextmillennium.io, the domain nextmillennium.io uses in app-ads.txt. - Field 2: your account ID with nextmillennium.io. It must equal the
seller_idin nextmillennium.io'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):
65bd090fa4a1e3d6, the certification authority ID on 62% of the lines naming nextmillennium.io.
sellers.json at a glance
- Status
- Published
- Sellers listed
- 608
- Confidential
- 0 (0%)
- Passthrough
- 0
- Removed, last 30 days
- 0
- Last read
- Oct 13, 2026
- PUBLISHER598
- INTERMEDIARY9
- BOTH1
Cross-check of lines naming nextmillennium.io
- Verified 5,263
- Seller ID not found 463
- DIRECT but intermediary 140
- RESELLER but publisher 20,411
- Seller type BOTH 5,895
- Confidential seller 0
- No sellers.json 0
- Unchecked 0
Every line naming nextmillennium.io is looked up in its sellers.json. What each status means
Common errors with nextmillennium.io lines
-
RESELLER but publisher
20,411 lines
If the account is yours, declare it DIRECT. If a partner holds it, ask nextmillennium.io why the account is listed as PUBLISHER.
-
Seller type BOTH
5,895 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.
-
Seller ID not found
463 lines
Ask nextmillennium.io 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.
-
DIRECT but intermediary
140 lines
If a partner holds this account and resells your inventory, the line should say RESELLER. If the account is yours, ask nextmillennium.io to list it as PUBLISHER.
Intermediaries most declared as RESELLER
Accounts on nextmillennium.io 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 |
|---|---|---|
| smaato.com | INTERMEDIARY | 1,577 |
| playdigo.com | INTERMEDIARY | 556 |
| stnvideo.com | INTERMEDIARY | 313 |
| pubnative.com | INTERMEDIARY | 234 |
| thesportsdrop.com | INTERMEDIARY | 186 |
| audiomob.com | INTERMEDIARY | 108 |
Apps that declare nextmillennium.io
| App | Store | Relationship | Status |
|---|---|---|---|
| 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 | 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 | RESELLER | Live |
Questions about nextmillennium.io
Does nextmillennium.io publish a sellers.json?
Yes. Its file at https://wp.nextmillennium.io/sellers.json listed 608 sellers when we last read it on 13 October 2026: 598 publishers, 9 intermediaries and 1 listed as both; 0% are confidential.
How many apps declare nextmillennium.io in app-ads.txt?
63,242 apps in Stoqlab's data (delisted apps included) declare nextmillennium.io: 14,517 with at least one DIRECT line and 61,263 with at least one RESELLER line, across 8,000 app-ads.txt files, as of 13 October 2026 (recounted daily).
What is the certification authority ID for nextmillennium.io?
62% of the app-ads.txt lines naming nextmillennium.io carry "65bd090fa4a1e3d6" 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 nextmillennium.io lines fail verification?
Of 32,172 lines naming nextmillennium.io, 21,014 contradict its sellers.json. The most common case is "RESELLER but publisher", on 20,411 lines. If the account is yours, declare it DIRECT. If a partner holds it, ask nextmillennium.io why the account is listed as PUBLISHER.
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 nextmillennium.io. Something wrong? Tell us.