{
  "object": "whatsapp_business_account",
  "entry": [
    {
      "id": "<WHATSAPP_BUSINESS_ACCOUNT_ID>",
      "time": <WEBHOOK_TRIGGER_TIMESTAMP>,
      "changes": [
        {
          "field": "template_category_update",
          "value": {
            "message_template_id": <TEMPLATE_ID>,
            "message_template_name": "<TEMPLATE_NAME>",
            "message_template_language": "<TEMPLATE_LANGUAGE>",

            <!-- impending category change notifications only -->
            "correct_category": "<CORRECT_CATEGORY>",
            "new_category": "<CURRENT_CATEGORY>",
            "category_update_timestamp": <CATEGORY_UPDATE_TIMESTAMP>

            <!-- completed category change notifications only -->
            "previous_category": "<PREVIOUS_CATEGORY>",
            "new_category": "<NEW_CATEGORY>"

          }
        }
      ]
    }
  ]
}

Parameters

Placeholder	Description	Example value
`<CORRECT_CATEGORY>` String	The category that the template will be recategorized as in 24 hours.	`MARKETING`
`<CURRENT_CATEGORY>` String	The template’s current category.	`MARKETING`
`<NEW_CATEGORY>` String	The template’s new category.	`MARKETING`
`<CATEGORY_UPDATE_TIMESTAMP>` Integer	The Unix timestamp (in seconds) indicating when the template’s category will be updated to the `<CORRECT_CATEGORY>` specified in the webhook. This value represents the moment the update is scheduled to occur.	`1760711433`
`<PREVIOUS_CATEGORY>` String	The template’s previous category.	`UTILITY`
`<TEMPLATE_ID>` Integer	Template ID.	`278077987957091`
`<TEMPLATE_LANGUAGE>` String	Template language and locale code.	`en-US`
`<TEMPLATE_NAME>` String	Template name.	`welcome_template`
`<WEBHOOK_TRIGGER_TIMESTAMP>` Integer	Unix timestamp indicating when the webhook was triggered.	`1739321024`
`<WHATSAPP_BUSINESS_ACCOUNT_ID>` String	WhatsApp Business Account ID.	`102290129340398`

Examples

This example webhook describes a template that will be recategorized as MARKETING in 24 hours. Note that new_category indicates its current category:

{
 "entry": [
   {
     "id": "102290129340398",
     "time": 1746082800,
     "changes": [
       {
         "field": "template_category_update",
         "value": {
           "message_template_id": 278077987957091,
           "message_template_name": "welcome_template",
           "message_template_language": "en-US",
           "new_category": "UTILITY",
           "correct_category": "MARKETING",
           "category_update_timestamp": 1746169200
         }
       }
     ]
   }
 ],
 "object": "whatsapp_business_account"
}

This example webhook describes a template that has been recategorized as MARKETING:

{
 "entry": [
   {
     "id": "102290129340398",
     "time": 1746169200,
     "changes": [
       {
         "field": "template_category_update",
         "value": {
           "message_template_id": 278077987957091,
           "message_template_name": "welcome_template",
           "message_template_language": "en-US",
           "previous_category": "UTILITY",
           "new_category": "MARKETING"
         }
       }
     ]
   }
 ],
 "object": "whatsapp_business_account"
}

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