> For the complete documentation index, see [llms.txt](https://help.dollarlabs.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.dollarlabs.io/dollarback-store-credit/developer-tools.md).

# Developer Tools

APIs for developers building on top of DollarBack: server-side credit operations and storefront scripting.

* [Merchant API: keys & endpoints](/dollarback-store-credit/developer-tools/merchant-api-keys-and-endpoints.md)
* [Storefront window API](/dollarback-store-credit/developer-tools/storefront-window-api.md)
* [Metafields & data storage reference](/dollarback-store-credit/developer-tools/metafields-and-data-storage.md)

Also developer-flavored: [Custom rewards via API](/dollarback-store-credit/earning-cashback-programs/custom-rewards-via-api.md) walks through granting credit from your own backend using a custom cashback program.