# AC4 docs

> AC4 docs records online service interfaces for the PC version of Assassin's Creed IV Black Flag. Its RMC documents list method IDs and request and response types, while the repository also contains HTTP API specifications for service revival work.

- Type: Documentation
- Targets: Game · Protocol
- Category: Protocol analysis tools
- Relationship: Learning resource
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-06
- Original resource: <https://github.com/Phoenix-Assassins/ac4-docs>
- Primary source: <https://github.com/Phoenix-Assassins/ac4-docs/blob/5db849b7df9ca7a4f71c9059c02d045f99568169/RMC/ACOnlineSaveProtocol.md>
- Catalog page: <https://awesomerea.org/resources/ac4-docs/>
- Record JSON: <https://awesomerea.org/resources/ac4-docs/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/ac4-docs/index.md)

## Requirements & limits

- **Scope:** Scope is the PC online services of Assassin's Creed IV Black Flag.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/Phoenix-Assassins/ac4-docs/blob/5db849b7df9ca7a4f71c9059c02d045f99568169/RMC/ACOnlineSaveProtocol.md>
2. <https://github.com/Phoenix-Assassins/ac4-docs/blob/5db849b7df9ca7a4f71c9059c02d045f99568169/README.md>

## More in References and learning

- [eRepublik API Documentation](https://awesomerea.org/resources/erepublik-api-documentation/index.md) · Documentation
- [Garmin Strength Workout API](https://awesomerea.org/resources/garmin-strength-workout-api/index.md) · Documentation
- [Substack API Reference (Unofficial)](https://awesomerea.org/resources/substack-api-reference/index.md) · Documentation
- [hyperscan-homebrew](https://awesomerea.org/resources/hyperscan-homebrew/index.md) · Documentation
- [Локальный аудиостриминг на Яндекс.Станцию](https://awesomerea.org/resources/yandex-station-local-streaming/index.md) · Documentation
- [Hacking the Xbox — 日本語訳](https://awesomerea.org/resources/hacking-the-xbox-ja/index.md) · Learning resource

## 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.