Case study

rlapi: reconstructing Rocket League’s internal APIs

rlapi reconstructs Rocket League’s internal HTTP and WebSocket APIs and supplies a Go SDK for them. The documentation maps authentication, custom WebSocket messages, PsySig HMAC signatures, and selected endpoints. Bundled Frida hooks and a local proxy capture traffic, while a PE scanner extracts build information from the game executable.

Targets: Binary · Game · Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-08
Evidence class: C2 code & docs, no demo or download

Stars: 64
Last commit: 2026-11-06
Language: Go
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a demo observed; no download method found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: Go 1.24.5 is specified by the module; interception tools additionally require Frida, Python, and Node.js.
Limits: Some endpoints are undocumented or only partially understood.
License: MIT license.

Cite

BibTeX

@misc{rlapi-rocket-league-case,
  title = {{rlapi: reconstructing Rocket League’s internal APIs}},
  howpublished = {\url{https://github.com/dank/rlapi}},
  url = {https://github.com/dank/rlapi},
  urldate = {2026-11-08},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/rlapi-rocket-league-case/}}
}

Plain text

rlapi: reconstructing Rocket League’s internal APIs. https://github.com/dank/rlapi (accessed 2026-11-08). Awesome REA entry: https://awesomerea.org/resources/rlapi-rocket-league-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

README.md GitHub · dank/rlapi · Revision 6a742b5
tools/frida/README.md GitHub · dank/rlapi · Revision 6a742b5
tools/version/README.md GitHub · dank/rlapi · Revision 6a742b5