The WhatsApp API supports the following image types:

• image/jpeg (with extensions .jpg and .jpeg)
• image/png (.png)

The maximum file size allowed for images is 5 MB.

PARAMETER	FORMAT	REQUIRED	DESCRIPTION	DEFAULT
url	string	Yes	The URL that your image file is uploaded to should be publicly accessible
caption	string	Optional	Image caption

Sample request using CURL:

$ curl -X POST https://api.geniq.io/rest/v1/whatsapp/messages \
-H 'Authorization: Bearer [TOKEN]' \
-H 'Content-Type: application/json' \
-d '{
    "recipient":"6591234567",                
    "type":"image",
    "url":"https://images.pexels.com/photos/25002430/pexels-photo-25002430/free-photo-of-shot-with-oldroll-classic-m.jpeg",
    "caption":"Sample Image",
    "reference": "12345"
}' \