# MAX Messenger: documenting WebSocket and TCP message formats

> MAX Messenger API Documentation maps the messenger's WebSocket JSON and TCP MessagePack exchanges from browser traffic and direct request experiments. It records INIT and LOGIN steps, request fields, opcodes, chat and messaging operations, plus binary TCP framing and compression behavior.

- Type: Case study
- Targets: Protocol · Website
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/pr0bel1230/max-api-docs>
- Primary source: <https://github.com/pr0bel1230/max-api-docs/blob/82ff271bdfc83f2247547f9937e578716d2f6160/README.md>
- Catalog page: <https://awesomerea.org/resources/max-messenger-protocol-case/>
- Record JSON: <https://awesomerea.org/resources/max-messenger-protocol-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/max-messenger-protocol-case/index.md)

## Requirements & limits

- **Prerequisites:** A MAX account and its device ID and token are needed for the example client.
- **Prerequisites:** The example script lists websocket-client and certifi as dependencies.
- **License:** CC BY 4.0 license; reuse requires attribution and a link to the repository.

## Primary sources

1. <https://github.com/pr0bel1230/max-api-docs/blob/82ff271bdfc83f2247547f9937e578716d2f6160/README.md>
2. <https://github.com/pr0bel1230/max-api-docs/blob/82ff271bdfc83f2247547f9937e578716d2f6160/protocol/tcp-protocol.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.