> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sellauth.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Pay from Balance

> Charges a quoted invoice against the customer's store credit and completes the order. `quoted_total_usd` must match the `price_usd` the quote returned, so a price that moved in between fails instead of overcharging.



## API Specification

The full API specification for this endpoint is available in the [documentation index](https://docs.sellauth.com/llms.txt).


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