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Zalo Send Message

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Overview

This node allows sending messages through the Zalo platform using its API authenticated by a login cookie. Specifically, for the "Gửi sticker" (Send sticker) operation, it sends a sticker to a specified conversation thread on Zalo, which can be either a personal chat or a group chat.

Common scenarios where this node is useful include:

  • Automating customer engagement by sending stickers as part of interactive conversations.
  • Enhancing chatbot responses with visual/sticker content.
  • Broadcasting fun or branded stickers to groups or individual users.

For example, you could use this node to send a celebratory sticker automatically when a user completes a task or to respond with a specific sticker based on user input in a chat.

Properties

Name Meaning
ID cuộc trò chuyện / Thread ID The unique identifier of the conversation (user or group) where the sticker will be sent.
Loại cuộc trò chuyện The type of conversation:
- Cá nhân (Personal chat)
- Nhóm (Group chat)
Sticker ID The identifier of the sticker to send.

Output

The output JSON object contains:

  • success: Boolean indicating if the sticker was sent successfully.
  • response: The raw response from the Zalo API after sending the sticker.
  • threadId: The ID of the conversation thread where the sticker was sent.
  • stickerId: The ID of the sticker that was sent.
  • stickerObj: The detailed sticker object retrieved from the Zalo API, including fields like id, cateId, and type.

No binary data output is produced by this operation.

Dependencies

  • Requires valid Zalo API credentials authenticated via a login cookie, IMEI, and user agent string.
  • The node uses an external Zalo API client library (zca-js) to interact with Zalo services.
  • Proper configuration of these credentials in n8n is necessary before using the node.
  • No additional environment variables are required beyond the credential setup.

Troubleshooting

  • Zalo API not initialized: This error occurs if the node fails to authenticate with Zalo using the provided credentials. Ensure your cookie, IMEI, and user agent are correct and up to date.
  • Sticker detail is invalid or missing required fields: Happens if the sticker ID provided does not correspond to a valid sticker or the API response lacks expected fields. Verify the sticker ID is correct and exists.
  • Failed to send typing event: The node attempts to send a "typing" indicator before sending the message; failure here is logged but does not stop execution.
  • General network or API errors: Check internet connectivity and Zalo API service status.
  • If the node is set to continue on fail, errors will be returned in the output JSON with success: false and an error message.

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