# Restrict Multi Discount Codes

> Merchant documentation for Restrict Multi Discount Codes, a Shopify Plus app that limits discount codes and gift cards at checkout.

Restrict Multi Discount Codes is built by [K2 Digital](https://k2.digital/). Support: [tech@k2.digital](mailto:tech@k2.digital).

## Start here

- [Documentation hub](https://restrict-multi-discount-codes.k2.digital/docs/): Entry point with links to all guides.
- [English home](https://restrict-multi-discount-codes.k2.digital/docs/en/): Overview, quick start, and guide index for merchants.

## Guides

- [Setup](https://restrict-multi-discount-codes.k2.digital/docs/en/setup/): Install the app and add checkout editor app blocks.
- [Discount codes](https://restrict-multi-discount-codes.k2.digital/docs/en/usage/): How the maximum discount code limit works at checkout.
- [Gift cards](https://restrict-multi-discount-codes.k2.digital/docs/en/gift-cards/): How the maximum gift card limit works at checkout.
- [Troubleshooting](https://restrict-multi-discount-codes.k2.digital/docs/en/troubleshooting/): Fix missing app blocks and checkout blocking issues.

## Support and legal

- [Support](https://restrict-multi-discount-codes.k2.digital/docs/en/support/): Contact K2 Digital; free Shopify advice for this app or general questions.
- [Privacy policy](https://restrict-multi-discount-codes.k2.digital/docs/en/privacy/): How Restrict Multi Discount Codes handles merchant and checkout data.

## Optional

- [robots.txt](https://restrict-multi-discount-codes.k2.digital/robots.txt): Crawler rules for search engines (Allow `/docs/`, sitemap link).
- [llms.txt](https://restrict-multi-discount-codes.k2.digital/llms.txt): This file — curated doc index for LLMs ([llms.txt spec](https://llmstxt.org/)).
- [Sitemap](https://restrict-multi-discount-codes.k2.digital/docs/sitemap-index.xml): Full list of documentation URLs for crawlers.