This feature is only available for subscribed accounts.
send-text or send-text-safe you can send auto-generated link previews.
You can send custom link preview in two ways:
Provide a URL for the image.

WhatsApp requires the text to contain the preview URL anywhere in the text.Example:
"text": "Check this out! https://hypersender.com/"Please note that the URL must be publicly accessible and not require any authentication or special headers to access the file.
Send the image it self as a file upload.

By specifying the
high_quality parameter as true, you can get a higher quality image.
Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Path Parameters
Instance UUID copied from hypersender dashboard
Example:
"{{ instance_id }}"
Body
application/json
Contact number - learn what is chatId
Example:
text should contain the url to send
title of the link preview
description of the link preview
must be a valid URL
URL of the image to be used in the link preview - (only if preview_image_file is not provided)
file of the image to be used in the link preview - (only if preview_image_url is not provided)
reply to message id
high quality for the image