This page aggregates measured, corroborated evidence: donors' iPhones recorded apps contacting this domain, every claim below was reported by separate accepted donations and published under a human verdict (later rows for an approved app inherit its verdict). A contact is a measurement, not an accusation — it does not show what data was sent.
iwmapapi.americanexpress.com
classified as first-party · 2
What our research panel found AI-drafted · human-reviewed
We ask several independent AI models the same question and publish their answers separately — cross-vendor agreement is evidence against fabrication, and disagreement is worth seeing. 3 of 3 models answered, overall confidence high. A human reviewed this domain's claims before anything here published.
Anthropic Claude — first-party
iwmapapi.americanexpress.com is a subdomain of americanexpress.com, the domain of the app's own publisher (American Express), so it is most likely a first-party backend/API endpoint rather than a third-party service. The app already declares collecting payment, financial, identity, and device data, so a first-party API call implies no data flow beyond the declared label; the specific function of this endpoint is unknown to me.
OpenAI — first-party
The domain is under americanexpress.com and is most likely a first-party American Express API endpoint. The provided privacy label declares broad collection categories, so this contact alone does not establish an uncovered data flow.
Google Gemini — first-party
The domain iwmapapi.americanexpress.com belongs to American Express, the developer of the app. As a first-party operational endpoint, this network activity does not represent undisclosed tracking or third-party data sharing.
Apps measured contacting this domain
| App | Label gap | Donations | Contacts | Seen |
|---|---|---|---|---|
| Amex | — | 7 | 44 | 2026-07-28 → 2026-07-30 |
The corpus grows one report at a time: donate your App Privacy Report — anonymous by design.
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