ZaChat is a team inbox for Zalo, Vietnam's most used messaging app. Shops and sales teams connect their Zalo personal accounts by scanning a QR code, then reply to every customer from one screen on the web, desktop (Windows, macOS) or mobile (iOS, Android).
Owners give each staff member their own login, assign Zalo accounts per person and remove access instantly when someone leaves, so customer conversations stay with the business and no Zalo password is ever shared.
Next to the chat, ZaChat includes the tools a Vietnamese online shop runs on: highlight a customer's message to find products and create an order, deduct stock across warehouses, track customer debt and cash book, and match incoming bank transfers to orders automatically. Customer tags, quick-reply templates, out-of-hours auto replies and an AI assistant that answers from the shop's own knowledge base help the team respond faster, and hand hard questions back to a person.
For outreach, ZaChat sends broadcast messages and friend requests by tag, phone list or group members with randomized delays and daily limits to protect accounts. Built-in accounting for Vietnamese household businesses and SMEs (e-invoice sync, bank statement import, tax returns) is included in business plans.