Call Audio CTA

Updated: Mar 16, 2026

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Call audio CTA for generic and button template

You can use the Call-To-Action (CTA) button type audio_call in the Messenger API. This button type provides a new entry point for users to initiate calls with businesses by clicking the audio_call button directly from a button in the generic and button templates. This audio_call CTA button offers enhanced customization compared to the existing call prompt template.

Generic template

You can send this audio_call button using a generic template.

Property	Description
`Page-ID` string	This is the Page ID connected to the app
`recipient` string	The Page-scoped ID of the consumer to whom the message template is requested
`message` JSON	The body of the message
`attachment` JSON	The XMA attachment as part of the message
`type` string	The type of the attachment; in this case `template`
`payload` JSON	The payload of the attachment
`template_type` string	The type of the template, in this case `generic`
`elements` JSON	The elements that will be used in the template
`buttons` JSON	The buttons CTA that will be used in the template. type: the type of the button CTA, in this case “audio_call” title (required): the title of the button CTA expires_in_days (default 7): how long the button is clickable. The default value is 7 and cannot exceed 7 days.

POST /<PAGE_ID>/messages
{
  "recipient": {
    "id": "<PSID>"
  },
  "message": {
    "attachment": {
      "type": "template",
      "payload": {
        "template_type": "generic",
        "elements": [
          {
            "title": "Contact Support!",
            "buttons": [
              {
                "type": "audio_call",
                "title": "Call Now",
                "expires_in_days": 5
              }
            ]
          }
        ]
      }
    }
  }
}

Example response

Property	Description
`id` string	The Page-scoped ID of the user to whom the opt-in is requested
`message_id` string	The external-facing message ID (mid) of the message sent

{
  "recipient": {
    "id": <PSID>,
    "message_id": <mid>,
  }
}

Error response

The following errors can happen:

Invalid page-id or psid
The business Page hasn’t enabled the audio calling
Permissions/Authorization errors
The expires_in_days is set above 7
Message is sent outside of allowed window

For more details on these errors, see the Messenger Platform error codes reference.

Button template

You can send this audio_call button using a button template.

Property	Description
`Page-ID` string	This is the Page ID connected to the app
`recipient` string	The Page-scoped ID of the consumer to whom the message template is requested
`message` JSON	The body of the message
`attachment` JSON	The XMA attachment as part of the message
`type` string	The type of the attachment; in this case `template`
`payload` JSON	The payload of the attachment
`template_type` string	The type of the template, in this case `button`
`elements` JSON	The elements that will be used in the template
`buttons` JSON	The buttons CTA that will be used in the template. type: the type of the button CTA, in this case “audio_call” title (required): the title of the button CTA expires_in_days (default 7): how long the button is clickable. The default value is 7 and cannot exceed 7 days.

POST /<PAGE_ID>/messages
{
  "recipient": {
    "id": "<PSID>"
  },
  "message": {
    "attachment": {
      "type": "template",
      "payload": {
        "template_type": "button",
        "text": "Contact Support!",
        "buttons": [
          {
            "type": "audio_call",
            "title": "Call Now",
            "expires_in_days": 5
          }
        ]
      }
    }
  }
}

Example response

Property	Description
`id` string	The Page-scoped ID of the user to whom the opt-in is requested
`message_id` string	The external-facing message ID (mid) of the message sent

Error response

The following errors can happen:

Invalid page-id or psid
The business Page hasn’t enabled the audio calling
Permissions/Authorization errors
The expires_in_days is set above 7
Message is sent outside of allowed window

For more details on these errors, see the Messenger Platform error codes reference.