This API is subject to change. Bug fixes and new features will be released based on developer feedback throughout the preview period.
Generates an upload URL for uploading a file as an attachment to a specified contact.
To learn how to use the generated upload URL in the response to upload an attachment file, see the Upload API (SDK | REST).
You can only call this method when authenticated as a Wix app or Wix user identity.
ID of the contact for whom the attachment is being uploaded.
File name of the attachment including the extension, for example, contact-cv.pdf.