heysteff.

Product
Support
Copilot modeAI drafts, you approve Knowledge baseWhat the agent knows about you Two-way SMSYour number, send and receive MercadoLibreQuestions and sale messages

Sell
Lead qualificationAsks what matters Appointment schedulingBookings from the chat BookingsQuote and hold event dates SMS campaignsBulk SMS with replies WhatsApp paymentsPayment links in the chat

Automate & connect
Automation flowsSteps, waits and conditions Email templatesBranded emails API integrationsYour ERP, CRM or own system

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SupportCopilot mode
Steff drafts every reply and your team reviews it before it goes out. Once you trust it, switch to automatic.
Customer“Do you have the parka in size M?”
Steff suggests“Yes, we have it in black and blue. Want me to hold one?”
YouApprove in one click and it is sent
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SupportKnowledge base
Upload your catalog, policies and FAQs. The agent answers with your data, not made-up facts.
You uploadCatalog, returns policy, opening hours
SteffFinds what each question needs
CustomerGets your store’s answer
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SupportTwo-way SMS
Your own SMS number: replies land in the inbox and your team or the agent answers them.
CustomerReplies to an SMS
InboxThe conversation opens with their history
SteffAnswers short, in plain text
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SupportMercadoLibre
Questions on your listings and messages about your sales on MercadoLibre, in the same inbox.
BuyerAsks on your listing
SteffAnswers from your catalog
TeamSees it next to WhatsApp and Instagram
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SellLead qualification
The agent asks the questions you define and marks each lead as qualified or not.
LeadComes in from a form or a chat
SteffAsks about budget, timing and needs
ResultQualified, booked or discarded
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SellAppointment scheduling
The agent checks your calendar, offers open slots and books with a reminder.
Customer“Are you free on Thursday?”
SteffChecks your Google Calendar
BookingConfirmed, with a reminder
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SellBookings
For date-based rentals: the agent checks availability, quotes with your prices and holds the date until the deposit.
Customer“Do you have a booth for March 14?”
SteffChecks availability and quotes
TeamConfirms once the deposit is in
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SellSMS campaigns
Send SMS to a list from your number, with automatic opt-outs and the cost shown before you send.
You pickA contact list
SendFixed text or written by AI
RepliesLand in your inbox
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SellWhatsApp payments
The agent sends a payment link when the customer confirms, and the payment is recorded.
Customer“Great, I’ll take it”
SteffSends the payment link
PaymentRecorded in the conversation
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Automate & connectAutomation flows
Build sequences with steps and waits: send a message, wait for the reply, decide what comes next.
TriggerAn order, a keyword or a form
StepsMessages, waits and conditions
ResultA pipeline stage or an alert to your team
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Automate & connectEmail templates
Emails built from blocks with your brand; AI writes the intro for each customer.
You designBlocks with your logo and colors
AIWrites the copy for each customer
SendWith one-click unsubscribe
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Automate & connectAPI integrations
Connect your systems so the agent looks up real data: stock, orders or customers.
Customer“Where is my order?”
SteffQueries your system live
AnswerWith the real data, not a guess
See how it works →
Solutions
AI for ecommerce WhatsApp AI agent AI customer support AI sales automation AI shopping assistant Cart recovery AI agent for Shopify AI agent for WooCommerce API for developers Partner program
Industries
Compare
Case studies
Resources
Blog
Pricing

ES · EN Get a demo Start free →

Product

Support

Copilot mode Knowledge base Two-way SMS MercadoLibre

Sell

Lead qualification Appointment scheduling Bookings SMS campaigns WhatsApp payments

Automate & connect

Automation flows Email templates API integrations

Solutions

AI for ecommerce WhatsApp AI agent AI customer support AI sales automation AI shopping assistant Cart recovery AI agent for Shopify AI agent for WooCommerce API for developers Partner program

Industries Compare Case studies Resources Blog Pricing Get the app

ES · EN Get a demo

product

everything heysteff does, on one page.

heysteff is the AI platform for customer support and sales over WhatsApp, Instagram, Messenger, SMS, Gmail, MercadoLibre and Shopify; Steff is the AI agent that runs it. It answers, sells, recovers carts, books appointments, quotes rentals and hands off to your team when a person is needed. There is a Free plan and paid plans from USD 149 a month; each feature's plan is on the pricing page.

Serve every channel

Copilot mode

Pause the bot in 1 click and stop it replying over your team: Steff drafts, a human approves, and echo detection makes it go quiet on its own.

everything heysteff does, on one page.

Serve every channel

Copilot mode

Knowledge base

Two-way SMS

MercadoLibre

WhatsApp Number for Your Business

Sell and recover sales

AI Storefront Assistant for Shopify

WhatsApp payments

SMS campaigns

AI Customer Segments for Shopify

Repeat Purchase Reminders on WhatsApp

Back-in-Stock Alerts on WhatsApp for Shopify

Lead qualification

Scheduling and bookings

Appointment scheduling

Bookings

Automate and connect

Automation flows

API integrations

MCP Server

Email templates

Bsale Integration

Blue Express Tracking on WhatsApp with AI

Measure

Conversation Attribution