> ## 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.

# Backfill Costs

> Queues a job that stamps the current variant cost onto historical invoice items in a date window that have no cost snapshot yet. Limited to one run per hour per shop.



## 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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