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Zalo OA

Zalo Official Account API

Zalo OA → Send File Message

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Summary

Send a file message to a specific Zalo user through the Zalo Official Account by specifying the recipient's user ID, the file ID of the uploaded file, and the message type indicating the category of the message.

Inputs

  • Message Type — Select the type of message to send: Customer Service (cs), Transaction (transaction), or Promotion (promotion). Defaults to Customer Service.
  • User ID (required) — The Zalo user ID of the message recipient.
  • File ID (required) — The ID of the file that has been uploaded to the Zalo Official Account to send.

Output shape

a single record containing the API response from sending the file message

The output reflects the direct response from Zalo's API related to the send file message request, which may include status and message IDs.

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