1. What is Zalo
VNG Corporation (formerly known as VinaGame) is a Vietnamese technology company founded in 2004. It focuses on digital content, online entertainment, social networking, and e-commerce. Its four main businesses are: Zalo, Zalo Official Account, BAO MOI, and Adtima.
Zalo is one of the most popular and widely used social media platforms in Vietnam, applied extensively in daily communication and business services.
Zalo ranks first in Vietnam in terms of downloads and active users, with over 74 million users and more than 2 billion messages processed daily. In Vietnam, 91% of respondents consider Zalo an indispensable application.
2. Differences between Zalo ZNS, Zalo Official Account (ZOA), and Zalo Cloud Connect (ZCC)
| Items | Zalo ZNS | ZOA | ZCC |
|---|---|---|---|
| Concept | A solution for delivering customized customer service notifications through official accounts (OAs) on the Zalo platform. (Requires a registered OA) | A business account that enhances interaction with customers, builds trust in the Zalo platform, and strengthens brand awareness. It is the foundation for sending ZNS. | Voice call functionality between an enterprise OA account and individual Zalo users. |
| Capabilities | Template messages ● OTP (with logo) ● Table ● Text (with logo) ● Review ● Image |
● 1-on-1 chat ● Group chat ● Push notifications ● Post articles ● Post videos ● Broadcast ● Menus ● Chatbot |
● Two-way calls ● Display brand name |
| Sending method | Can send template messages based on Zalo phone numbers; one-way only | Can send messages based on followers; supports two-way conversations | Can make calls based on Zalo phone numbers |
| Billing method | ● Charged upon successful delivery ● Per template message |
● Charged upon successful delivery ● Per message ● Per group message |
● Confirmation of ZNS |
| Template messages | Only template messages can be sent | × | × |
3. Advantages of Zalo ZNS API
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Offers a wide variety of message templates, including verification, text, tables, and satisfaction surveys.
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Allows buttons to be embedded in messages, providing clear calls-to-action for users.
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Relatively open, as Zalo ZNS API provides open API endpoints for sending messages, making it easy to integrate with internal systems.
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Compared with other marketing channels, Zalo has a significantly higher open rate.