Ad system
first-id.fr
3 apps across 2 app-ads.txt files declare first-id.fr; 67% hold a DIRECT account and 33% list it as a RESELLER. Of 2 lines checked against its sellers.json (6 sellers), 50% match, 0% name an unlisted account and 50% declare the wrong seller type.
- Apps declaring it
- 3
- Sellers in sellers.json
- 6
- Lines verified
- 50%
- Lines with errors
- 1
- Avg. supply path score
- 57.0 / 100
2 DIRECT · 1 RESELLER
0% confidential
1 of 2 checked lines
2 lines in total
3 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 12 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 first-id.fr 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.
first-id.fr, YOUR_ACCOUNT_ID, DIRECT
first-id.fr, YOUR_ACCOUNT_ID, RESELLER
- Field 1:
first-id.fr, the domain first-id.fr uses in app-ads.txt. - Field 2: your account ID with first-id.fr. It must equal the
seller_idin first-id.fr'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): a certification authority ID. Most lines naming first-id.fr carry none, or different ones, so we do not suggest one.
sellers.json at a glance
- Status
- Published
- Sellers listed
- 6
- Confidential
- 0 (0%)
- Passthrough
- 0
- Removed, last 30 days
- 0
- Last read
- Oct 12, 2026
- PUBLISHER6
- INTERMEDIARY0
- BOTH0
Cross-check of lines naming first-id.fr
- Verified 1
- Seller ID not found 0
- DIRECT but intermediary 0
- RESELLER but publisher 1
- Seller type BOTH 0
- Confidential seller 0
- No sellers.json 0
- Unchecked 0
Every line naming first-id.fr is looked up in its sellers.json. What each status means
Common errors with first-id.fr lines
-
RESELLER but publisher
1 line
If the account is yours, declare it DIRECT. If a partner holds it, ask first-id.fr why the account is listed as PUBLISHER.
Apps that declare first-id.fr
| App | Store | Relationship | Status |
|---|---|---|---|
| iOS | DIRECT | Live | |
| Android | DIRECT | Live | |
| iOS | RESELLER | Live |
Questions about first-id.fr
Does first-id.fr publish a sellers.json?
Yes. Its file at https://first-id.fr/sellers.json listed 6 sellers when we last read it on 12 October 2026: 6 publishers, 0 intermediaries and 0 listed as both; 0% are confidential.
How many apps declare first-id.fr in app-ads.txt?
3 apps in Stoqlab's data (delisted apps included) declare first-id.fr: 2 with at least one DIRECT line and 1 with at least one RESELLER line, across 2 app-ads.txt files, as of 13 October 2026 (recounted daily).
Why do first-id.fr lines fail verification?
Of 2 lines naming first-id.fr, 1 contradict its sellers.json. The most common case is "RESELLER but publisher", on 1 line. If the account is yours, declare it DIRECT. If a partner holds it, ask first-id.fr 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 first-id.fr. Something wrong? Tell us.