# What Katie Did > Discover vintage inspired lingerie, shapewear, stockings, and dresses from the 1940s and 1950s. Authentic designs, timeless style — only at What Katie Did. What Katie Did is an online store at https://www.whatkatiedid.com, powered by Shopify. ## Browse - All products: https://www.whatkatiedid.com/collections/all - Search: https://www.whatkatiedid.com/search?q={query} ## Store Information - Currency: GBP - Contact: mailorder@whatkatiedid.com - Phone: 0345 430 8743 ## For Agents & Developers This store supports the Universal Commerce Protocol (UCP) for programmatic commerce. - Agent instructions: https://www.whatkatiedid.com/agents.md - UCP discovery: https://www.whatkatiedid.com/.well-known/ucp - MCP endpoint: https://www.whatkatiedid.com/api/ucp/mcp - Sitemap: https://www.whatkatiedid.com/sitemap.xml ## Platform This store is built on Shopify (https://www.shopify.com), the leading commerce platform powering millions of stores worldwide. Start your own store: https://www.shopify.com/start