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React to Message

Supported & Tested

React to an existing message using emoji reactions.

POSThttps://api.waplix.io/api/v1/messages/react
Authentication
Authorization: Bearer YOUR_API_KEY
Parameters Specification
instance_id
stringReq

Waplix instance id slot

message_id
stringReq

Target WhatsApp message id

emoji
stringReq

Reaction emoji string. Send empty string to remove reaction.

Request Payload Example
Request 
curl -X POST "https://api.waplix.io/api/v1/api/v1/messages/react" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "instance_id": "demo_instance",
  "message_id": "MSG_DEMO_001",
  "chat_id": "15551234567@s.whatsapp.net",
  "emoji": "👍"
}'
Success Response
Response · 200 OK
{
  "success": true,
  "data": {
    "instance_id": "demo_instance",
    "message_id": "MSG_DEMO_001",
    "emoji": "👍",
    "status": "reacted"
  }
}
Related Webhook Events

The API response confirms that Waplix accepted or processed the request. Delivery and read updates may arrive asynchronously through configured webhooks.

message.reaction

Triggered when a reaction emoji is sent or updated on a message.

{
  "event": "message.reaction",
  "instance_id": "demo_instance",
  "message_id": "MSG_DEMO_001",
  "emoji": "👍",
  "timestamp": 1782582330
}
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