> For the complete documentation index, see [llms.txt](https://docs.r4nkt.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.r4nkt.com/api.md).

# API

- [Overview](https://docs.r4nkt.com/api/overview.md)
- [Authentication](https://docs.r4nkt.com/api/authentication.md)
- [Achievements](https://docs.r4nkt.com/api/achievements.md)
- [Actions](https://docs.r4nkt.com/api/actions.md)
- [Activities](https://docs.r4nkt.com/api/activities.md)
- [Criteria](https://docs.r4nkt.com/api/criteria.md)
- [Criteria Groups](https://docs.r4nkt.com/api/criteria-groups.md)
- [Leaderboards](https://docs.r4nkt.com/api/leaderboards.md)
- [Players](https://docs.r4nkt.com/api/players.md)
- [Player Badges](https://docs.r4nkt.com/api/player-badges.md)
- [Rewards](https://docs.r4nkt.com/api/rewards.md)
- [Scores](https://docs.r4nkt.com/api/scores.md)