Group messages webhook reference | Developer Documentation
Group messages webhook reference
Updated: Nov 10, 2025
This reference describes trigger events and payload contents for the WhatsApp Business Account messages webhook for messages that are sent to a group, or received from a group.
Triggers
Syntax
{
"object": "whatsapp_business_account",
"entry": [
{
"id": "<WHATSAPP_BUSINESS_ACCOUNT_ID>",
"changes": [
{
"value": {
"messaging_product": "whatsapp",
"metadata": {
"display_phone_number": "<BUSINESS_DISPLAY_PHONE_NUMBER>",
"phone_number_id": "<BUSINESS_PHONE_NUMBER_ID>"
},
"contacts": [
{
"profile": {
"name": "<WHATSAPP_USER_PROFILE_NAME>"
},
"wa_id": "<WHATSAPP_USER_ID>",
"identity_key_hash": "<IDENTITY_KEY_HASH>" <!-- only included if identity change check enabled -->
}
],
"messages": [
{
"from": "<WHATSAPP_USER_PHONE_NUMBER>",
"group_id": "<GROUP_ID>",
"id": "<WHATSAPP_MESSAGE_ID>",
"timestamp": "<WEBHOOK_TRIGGER_TIMESTAMP>",
"text": {
"body": "<MESSAGE_TEXT_BODY>"
},
"type": "<MESSAGE_TYPE>"
}
],
},
"field": "messages"
}
]
}
]
}
Parameters
| Placeholder | Description | Example value |
|---|---|---|
<BUSINESS_DISPLAY_PHONE_NUMBER>String | Business display phone number. | 15550783881 |
<BUSINESS_PHONE_NUMBER_ID>String | Business phone number ID. | 106540352242922 |
<GROUP_ID>String | The string identifier of a group made using the Groups API. This field shows when messages are sent, received, or read from a group. | "Y2FwaV9ncm91cDoxNzA1NTU1MDEzOToxMjAzNjM0MDQ2OTQyMzM4MjAZD" |
<IDENTITY_KEY_HASH>String | Identity key hash. Only included if you have enabled the identity change check feature. | DF2lS5v2W6x= |
<MESSAGE_TEXT_BODY>String | Text body of the message. | What do you all think about this? |
<MESSAGE_TYPE>String | The type of message being sent. Will change depending on the message sent to the group. Currently, the Groups API supports: | text |
<WHATSAPP_BUSINESS_ACCOUNT_ID>String | WhatsApp Business Account ID. | 102290129340398 |
<WHATSAPP_MESSAGE_ID>String | WhatsApp message ID. | wamid.HBgLMTY1MDM4Nzk0MzkVAgASGBQzQUFERjg0NDEzNDdFODU3MUMxMAA= |
<WEBHOOK_TRIGGER_TIMESTAMP>String | Unix timestamp indicating when the webhook was triggered. | 1739321024 |
<WHATSAPP_USER_PHONE_NUMBER>String | WhatsApp user phone number. This is the same value returned by the API as the input value when sending a message to a WhatsApp user. Note that a WhatsApp user’s phone number and ID may not always match. | +16505551234 |
<WHATSAPP_USER_PROFILE_NAME>String | WhatsApp user’s name as it appears in their profile in the WhatsApp client. | Sheena Nelson |
<WHATSAPP_USER_ID>String | WhatsApp user ID. Note that a WhatsApp user’s ID and phone number may not always match. | 16505551234 |
Example
{
"object": "whatsapp_business_account",
"entry": [
{
"id": "102290129340398",
"changes": [
{
"value": {
"messaging_product": "whatsapp",
"metadata": {
"display_phone_number": "15550783881",
"phone_number_id": "106540352242922"
},
"contacts": [
{
"profile": {
"name": "Tiago Mingo"
},
"wa_id": "16505551234"
}
],
"messages": [
{
"from": "16505551234",
"group_id": "HBgLMTY1MDM4Nzk0MzkVAgASGBQzQTRBNjU5OUFFRTAzODEwMTQ0RgA",
"id": "wamid.HASDI128HJOPUERIH82ahdasd09ASDHi5>",
"timestamp": "1744344496",
"text": {
"body": "What does everyone think about this?"
},
"type": "text"
}
]
},
"field": "messages"
}
]
}
]
}
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