> ## 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.

# Quote Balance Purchase

> Prices a cart against the customer's store credit and creates the invoice that Pay will charge. Nothing is deducted here. Use `can_pay` to decide whether to offer the one-click purchase, and pass `price_usd` back as `quoted_total_usd` when paying.



## 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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