Case study

wuibi: recovering Quibi’s mobile API for a web client

wuibi reconstructs enough of Quibi’s mobile API to provide search and playback in a browser WebExtension. The author captured iOS and Android traffic, decompiled the Android APK, and recovered readable .proto definitions from embedded Protocol Buffer descriptors. The client then used those definitions to request playback information and hand streaming to Shaka Player; the service’s shutdown has left the client inoperative.

Targets: App · Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 2
Last commit: 2020-12-02
Language: JavaScript

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a demo observed; no download method found.
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: Quibi service availability is required for the client to operate; the source states that the service no longer exists.
Limits: The client implements basic search and playback.
License: No licence file in the repository.

Cite

BibTeX

@misc{wuibi-case,
  title = {{wuibi: recovering Quibi’s mobile API for a web client}},
  howpublished = {\url{https://github.com/gmosley/wuibi}},
  url = {https://github.com/gmosley/wuibi},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/wuibi-case/}}
}

Plain text

wuibi: recovering Quibi’s mobile API for a web client. https://github.com/gmosley/wuibi (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/wuibi-case/

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Primary sources

README.md GitHub · gmosley/wuibi · Revision 291f75f