The * stands for a machine-generated segment — this service mints a fresh hostname per device or install (a UUID or random blob), so the individual hostnames carry no information the family doesn't. We group them into one claim per app: corroboration is counted across all member hostnames, and every claim below cleared the same two gates as everything else on this site — separate accepted donations and human review.
*.appsync-realtime-api.us-east-1.amazonaws.com
A hostname family · classified as first-party
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
The hostname is a per-app AWS AppSync realtime (GraphQL/WebSocket) endpoint on amazonaws.com, cloud infrastructure operated by Amazon Web Services; since the app itself is published by Amazon, this reads as first-party backend/app-functionality traffic rather than a third-party tracker. The app's label already declares extensive collection including app interactions, user IDs, and search history, so no data flow beyond the label is implied by this endpoint alone.
OpenAI — first-party
The domain is an AWS AppSync realtime API endpoint, likely used as backend infrastructure for the app rather than a distinct tracker or advertiser. The declared collection includes app interactions, identifiers, diagnostics, and other relevant data categories, so an undisclosed flow cannot be established from this contact alone.
Google Gemini — first-party
The domain is an AWS AppSync GraphQL real-time API endpoint used as first-party backend infrastructure for the Amazon Music app. It provides standard application functionality rather than undisclosed tracking or data sharing.
Apps measured contacting this family
| App | Hostnames | Donations | Contacts | Seen |
|---|---|---|---|---|
| Amazon Music: Songs & Podcasts | 1 | 3 | 3 | 2026-07-29 |
Member hostnames observed
1 distinct hostname in the published evidence:
ygf52iv26zfnxdocs4kfzcalfa.appsync-realtime-api.us-east-1.amazonaws.com
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