Reaction messages are emoji-reactions that you can apply to a previous WhatsApp user message that you have received.

Meta Reaction Message Doc Link

Request Parameters

Key	Description	Values	Data Types	Required/Optional	Constraints
Authorization	Access Token for the application	{{PARTNER_APP_TOKEN}}	String	Required	Should be a valid Partner App Access Token.
appId	App ID to fetch the access token	{{APP_ID}}	String	Required	The Id should be a valid app Id of Gupshup
messaging_product	Messaging product	whatsapp	String	Required
recipient_type	Recipient type	individual	String	Required
to	Destination phone no where the message need to be send	91785876xxxx	String	Required	Must be a valid phone number.
type	Messaging type	reaction	String	Required	Type should be reaction to send reaction message.
reaction	• Unicode escape sequence of the emoji, or the emoji itself, to apply to the user message. • WhatsApp message ID of message you want to apply the emoji to. If the message you are reacting to is more than 30 days old, doesn't correspond to any message in the conversation, has been deleted, or is itself a reaction message, the reaction message will not be delivered and you will receive a messages webhook with error code 131009.	"reaction": { "message_id": "wamid.HBgLMTY0NjcwNDM1OTUVAgASGBQzQUZCMTY0MDc2MUYwNzBDNTY5MAA=", "emoji": "\uD83D\uDE00" }	Object	Required	Key should be reaction to send reaction message.

Sample Request

curl --location --request POST 'https://qa-partner-api.gupshup.io/partner/app/bf9ee64c-3d4d-4ac4-8668-732e577007c4/v3/message' \
--header 'Authorization: sk_e45eb372979f48dead602b52483259be' \
--header 'Content-Type: application/json' \
--data-raw '{
    "messaging_product": "whatsapp",
    "recipient_type": "individual",
    "to": "{{WHATSAPP_USER_PHONE_NUMBER}}",
    "type": "reaction",
    "reaction": {
        "message_id": "{{WHATSAPP_MESSAGE_ID}}",
        "emoji": "{{EMOJI}}"
    }
}'

Sample Response

{
    "messages": [
        {
            "id": "GUPSHUP_MESSAGE_ID"
        }
    ],
    "messaging_product": "whatsapp",
    "contacts": [
        {
            "input": "DESTINATION_PHONE_NO",
            "wa_id": "DESTINATION_PHONE_NO"
        }
    ]
}

Status Codes

Status Code	Response	Comments
Success
200	{ "messages": [ { "id": "GUPSHUP_MESSAGE_ID" } ], "messaging_product": "whatsapp", "contacts": [ { "input": "DESTINATION_PHONE_NO", "wa_id": "DESTINATION_PHONE_NO" } ] }`
Error
401	{ "status": "error", "message": "Authentication Failed" }`	When API key authentication fails
400	{ "message": "Callback Billing must be enabled for this API", "status": "error" }`	If Callback billing is not enabled for the app
400	{ "message": "Invalid App Details", "status": "error" }`	If app details are not found