> For the complete documentation index, see [llms.txt](https://help.checkoutbuilder.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.checkoutbuilder.com/overview.md).

# Overview

- [Checkout Limitations: Shopify Plus vs Standard Plans](https://help.checkoutbuilder.com/overview/checkout-limitations-shopify-plus-vs-standard-plans.md): The limitations outlined below are determined by Shopify’s plans, not by Checkout Builder.
- [Frequently Asked Questions](https://help.checkoutbuilder.com/overview/frequently-asked-questions.md): Find quick answers to the most common questions.
- [Support](https://help.checkoutbuilder.com/overview/support.md): Our friendly support team is here to help. Learn what information to share and when you can expect a response.