WhatsApp channel properties

There are WhatsApp channel-specific properties that can be used when making calls to the Conversation API. These properties can be listed under channel_properties in the message request.

For example, below is the code for adding the channel specific property WHATSAPP_PREVIEW_URL to a Conversation API call:

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{
  "app_id": "{APP_ID}",
  "recipient":
  {
    "contact_id": "{CONTACT_ID}"
  },
  "message":
  {
    "text_message":
    {
      "text": "This is a text message from the Sinch Conversation API. https://www.sinch.com"
    }
  },
  "channel_properties": {
    "WHATSAPP_PREVIEW_URL": "false"
  }
}

The relevant WhatsApp channel properties are detailed in the table below:

Property name	Property value
`WHATSAPP_PREVIEW_URL`	Defines whether to include a preview of the URL or not. Possible values: `true`, `false`. Default value: `true`.