curl --request PUT \
--url https://app.hypersender.com/api/whatsapp/v2/{instance}/react-to-message \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"messageId": "[email protected]_3EB08F6AD2A432386EFA0E",
"reaction": "👍"
}
'{
"key": {
"remoteJid": "[email protected]",
"fromMe": true,
"id": "3EB089F063C03E43EECE9D"
},
"message": {
"reactionMessage": {
"key": {
"remoteJid": "[email protected]",
"fromMe": false,
"id": "3EB08F6AD2A432386EFA0E"
},
"text": "👍",
"senderTimestampMs": 1741410470848
}
},
"messageTimestamp": 1741390160,
"status": "PENDING"
}{
"message": "The given data was invalid.",
"errors": {},
"statusCode": 422
}{
"message": "Internal Server Error"
}React to Message
Add a reaction to a message.
PUT
/
{instance}
/
react-to-message
curl --request PUT \
--url https://app.hypersender.com/api/whatsapp/v2/{instance}/react-to-message \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"messageId": "[email protected]_3EB08F6AD2A432386EFA0E",
"reaction": "👍"
}
'{
"key": {
"remoteJid": "[email protected]",
"fromMe": true,
"id": "3EB089F063C03E43EECE9D"
},
"message": {
"reactionMessage": {
"key": {
"remoteJid": "[email protected]",
"fromMe": false,
"id": "3EB08F6AD2A432386EFA0E"
},
"text": "👍",
"senderTimestampMs": 1741410470848
}
},
"messageTimestamp": 1741390160,
"status": "PENDING"
}{
"message": "The given data was invalid.",
"errors": {},
"statusCode": 422
}{
"message": "Internal Server Error"
}V2 Queued Response: All API requests in V2 are queued for improved reliability. You’ll receive an immediate response with a
queued_request_uuid that you can use to check the actual message status.Response Format
All requests return a queued response:{
"queued": true,
"message": "Processing your request...",
"queued_request_uuid": "a0816120-7e37-4e8b-8cf3-92deb2cdc133",
"queued_request_link": "https://app.hypersender.com/api/whatsapp/v2/{instance}/queued-requests/a0816120-7e37-4e8b-8cf3-92deb2cdc133"
}
queued_request_link or the Get Queued Request endpoint to check the actual message response once it’s processed.
More details on queued requests can be found in the Queued Requests Documentation.
Add a reaction to a message.

Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Path Parameters
Example:
"{{ instance_id }}"
Body
application/json
Example:
Message ID
Reaction to add