Voice AI Shopping Assistant (Retell + RAG + Shopify) by Muhammad UsmanVoice AI Shopping Assistant (Retell + RAG + Shopify) by Muhammad Usman

Voice AI Shopping Assistant (Retell + RAG + Shopify)

Muhammad Usman

Muhammad Usman

Overview: A voice agent that recommends products in real time by understanding the entire catalog.
šŸ” Problem: Shoppers ask for recommendations in natural language ("something for dry skin under $30"), but standard search can't reason over a catalog or answer conversationally — so customers bounce.
šŸ’” Solution: A Retell voice agent backed by retrieval-augmented generation (RAG): the whole product catalog is embedded into a vector store, and an AI agent retrieves the most relevant items and answers conversationally over a webhook.
Workflow Architecture: • Catalog embedding — product data embedded with OpenAI, loaded into a vector store. • Voice layer (Retell) — natural, real-time voice conversation. • Recommendation agent (RAG) — retrieves the most relevant items for the shopper's request. • Storefront wiring — connected to a live Shopify catalog over a webhook.
Workflow Architecture
Workflow Architecture
Workflow Image
Workflow Image
šŸ›  Tools: Retell (Voice AI) Ā· OpenAI embeddings Ā· Vector store (RAG) Ā· n8n AI Agent Ā· Shopify Ā· Webhooks
āš™ļø Results: Conversational product discovery in real time Ā· recommendations grounded in the real catalog (no hallucinated products) Ā· works hands-free over voice.
🌟 Impact: Turns a catalog into a knowledgeable assistant that guides shoppers to the right product — the kind of help that lifts conversion and average order value.
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Posted Jun 22, 2026

Developed a voice agent for product recommendations using AI and Shopify.