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POST
/
send-reaction
Send reaction
curl --request POST \
  --url https://zapi.hubmessage.io/channels/{channel_id}/token/{channel_token}/send-reaction \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "phone": "5511999999999",
  "reaction": "❤️",
  "messageId": "D241XXXX732339502B68"
}
'
{
  "zaapId": "3999984263738042930CD6ECDE9VDWSA",
  "messageId": "D241XXXX732339502B68",
  "id": "D241XXXX732339502B68"
}

​
Overview

Method for sending an emoji reaction to an existing message. Works for both sent and received messages. To use this endpoint, you need the messageId of the message that will receive the reaction.
The response structure is identical to Z-API. Your existing code that processes these returns will continue working without changes.

Authorizations

​
Authorization
string
header
required

Secret Key generated in the Hub Message Security panel

Body

application/json
​
phone
string
required

Recipient phone number (country code + area code + number)

Example:

"5511999999999"

​
reaction
string
required

Reaction emoji

Example:

"❤️"

​
messageId
string
required

ID of the message to react to

​
delayMessage
integer

Delay in seconds before sending (1-15)

Required range: 1 <= x <= 15

Response

Message sent successfully

​
zaapId
string

Internal identifier

​
messageId
string

WhatsApp message ID

​
id
string

Same value as messageId (compatibility)