Reaction Message (Reacted to some message)

The Reaction messages are emoji reactions applied to a previous WhatsApp message that you have either sent or received.

Prerequisites

An active WhatsApp plan on Kaleyra platform.
An active WhatsApp for Business API plan that includes:
1. A WhatsApp business number.
2. An associated profile with the business number.
3. A WhatsApp verified and approved profile.
4. A WABA ID onboarded on Kaleyra WhatsApp API V2.
You must have the callback registered in the WhatsApp channel for the phone numbers.

Sample Webhook

The following is the sample webhook.

{
    "meta_object": {
        "value": {
            "messaging_product": "whatsapp",
            "metadata": {
                "display_phone_number": "918068177179",
                "phone_number_id": "104605889412733"
            },
            "contacts": [
                {
                    "profile": {
                        "name": "Pavan Kumar V Patil"
                    },
                    "wa_id": "919740776505"
                }
            ],
            "messages": [
                {
                    "from": "919740776505",
                    "id": "wamid.HBgMOTE5NzQwNzc2NTA1FQIAEhggMDI1QjVEMzZGQzE2RDI3QzY2MjU2MTgwQjQ3RDM2NDYA",
                    "timestamp": "1722863329",
                    "type": "reaction",
                    "reaction": {
                        "message_id": "wamid.HBgMOTE5NzQwNzc2NTA1FQIAEhggMUZCRkM3Qzc2QzEzN0ZBRkE4QzQyMURGRDI0QjBDNEUA",
                        "emoji": "\ud83d\ude02"
                    }
                }
            ]
        },
        "field": "messages"
    },
    "extra_info": {    
      	 		"media_url": "",
      	 		"ref": "Hello This will be my reference id - 123",
      	 		"ref1": "shoes campaign",
      	 		"ref2": "summer sale campaign",
      			"reply_to": "48c38d78-4ec5-XXXX-abee-03XXXXXX6c85",
       	 		"trace_id": "cb94fee2-3e70-XXXX-944a-2a4XXXXdb90a",
      	 		"waba_id": "347XXXXXXXXXX69"    
    }
}

The extra_info object contains additional metadata related to end-user message or reply. These fields help in tracking message context, references, and internal identifiers.

The following describes each field within the extra_info object:

Parameter	Data Type	Description	Example
`media_url`	URL	Contains the URL of the media (image, video, document, and many more) shared by the end user, if applicable.	https://example.com/images/product123.jpg
`ref, ref1, and ref2`	String	A reference parameter provided by the brand during the original message send request. This value appears in `extra_info` only when: i. The end-user replies to a previous message by selecting or highlighting it, or ii. The end-user responds through an interactive element (for example, a button) from an earlier message.	shoes campaign
`reply_to`	String	This field represents the parent message ID (the original message to which the end-user is replying) in the following scenarios: i. The end-user replies to a previous message by selecting or highlighting it, or ii. The end-user responds through an interactive element (for example, a button) from an earlier message. Note: If there is NO parent message ID, the `reply_to` field in the callback will be empty.	48c38d78-4ec5-XXXX-abee-03XXXXXX6c85
`trace_id`	String	An internal Kaleyra-generated identifier used for message tracing and debugging.	cb94fee2-3e70-XXXX-944a-2a4XXXXdb90a
`waba_id`	String	The WhatsApp Business Account (WABA) ID associated with the message.	347XXXXXXXXXX69