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Zalo OA

Zalo Official Account API

Zalo OA → Send Text Message

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Summary

Send a text message of a specified type to a Zalo user by their User ID through the Zalo Official Account.

Inputs

  • Message Type (required) — Select the type of message to send: Customer Service (cs), Transaction (transaction), or Promotion (promotion). This determines the message category for the recipient.
  • User ID (required) — Enter the Zalo User ID of the recipient who will receive the text message.
  • Message Content (required) — Provide the content of the text message to be sent to the user.

Output shape

no body — success/failure only

The operation does not return message content or details; it reports success or an error status indicating whether the message was accepted for delivery.

Examples

Example 1: Send a Customer Service text message to a specific user.

Set Message Type to 'Customer Service', specify the target User ID, and provide the text message content.

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