an AI agent that speaks your industry's language.
heysteff is an AI platform for customer support and sales across WhatsApp, Instagram, Messenger, Gmail and Shopify; Steff is the AI agent that runs it. The same product trains differently depending on the vertical — resolving a size question isn't the same job as a warranty claim or a showroom appointment. Pick your industry to see concrete use cases.
Fashion
Size and stock queries even from a photo, automated exchanges and returns, cart recovery with visual cross-sell.
see more →Beauty
Skin- and hair-type recommendations, post-purchase photo review requests, recurring replenishment reminders.
see more →Electronics
Pre-sale technical support, warranty and RMA with human escalation, model comparisons with live catalog data.
see more →Furniture
Showroom or in-home measurement appointment booking, follow-up for long sales cycles, quotes from a photo of the space.
see more →Jewelry
Trainable premium brand tone, private appointment booking, payment-proof verification with vision, instant escalation on high-value sales.
see more →Food
Recurring orders, ingredient or allergen questions from your knowledge base, delivery tracking over WhatsApp.
see more →Supplements
Recommendations by customer goal, replenishment reminders before the product runs out, usage questions resolved.
see more →Luxury
Personalized service with adjustable formality, private appointment scheduling, instant escalation to a human advisor.
see more →Marketplace
One multi-tenant workspace per brand or seller, each with its own tone, catalog and tools, under a single operation.
see more →DTC
Abandoned cart recovery and direct loyalty campaigns over WhatsApp and email, with no intermediaries.
see more →Also relevant: AI agent for ecommerce, heysteff vs. other tools, and heysteff Reviews for conversational review requests on Shopify.