# Reference guides {#reference-guides}


These pages will give you more information on the (inner) workings of Firefly III, the API and other things.

Popular pages include:

1. The [API](https://sourcey-firefly.pages.dev/references/firefly-iii/api/index.md)
2. [Third-party apps](https://sourcey-firefly.pages.dev/references/firefly-iii/third-parties/apps/index.md)
3. Options and settings for [rules](https://sourcey-firefly.pages.dev/references/firefly-iii/rule-triggers/index.md) and [search](https://sourcey-firefly.pages.dev/references/firefly-iii/search/index.md).


## Missing something? {#missing-something}


1. You're missing a specific reference guide or information, and you wish to write it
2. You don't want to write it, but you still miss specific references
3. You spot inaccuracies, terrible grammar or spelling mistakes

Please open an [issue on GitHub](https://github.com/firefly-iii/firefly-iii/issues/new?assignees=&labels=&projects=&template=fr.yml). Your contributions are appreciated.


## Would you like to know more? {#would-you-like-to-know-more}


Check out the [support page](https://sourcey-firefly.pages.dev/explanation/support/index.md).