> For the complete documentation index, see [llms.txt](https://docs.riff.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.riff.ai/archive/guides-legacy/where-to-see-your-credits.md).

# Where to see your credits

#### Credit usage

Riff uses a usage-based credit system tied to the agent’s actual usage. Each message sent to the Riff agent deducts credits, with the amount determined by the complexity of the request. This ensures you pay only for what you use, making it highly cost-effective. As you may notice a lot of messages cost less than one credit, while more complex ones will cost you more.

#### Credits used on deployed apps

Additionally, credits are deducted when you have deployed apps. If the backend is running, which is that there are processes running in addition to the frontend being displayed, we charge 2 credits per hour. This is to cover the server cost the app is inflicting

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