# Firefly III (/docs/guides/destinations/firefly-iii)



# Firefly III [#firefly-iii]

[Firefly III](https://www.firefly-iii.org/) is a free and open-source personal finance manager that supports multiple currencies, budgets, and categories.

## Setup [#setup]

For full setup instructions, follow the official Firefly III documentation:

**[Firefly III - Lunch Flow Integration Guide](https://docs.firefly-iii.org/tutorials/data-importer/lunchflow/)**

## Security [#security]

The integration uses a Lunch Flow API token to pull transaction data. Keep this token secure and never expose it publicly. See [Security & Privacy](/docs/guides/account/security-privacy) for more details on how Lunch Flow handles your data.