Creates multiple contacts in a single request. Works synchronously.
When you provide an image URL for a contact, the image is uploaded in the background and the returned contact temporarily has no image. Once the upload succeeds, the contact's image is updated.
To create a single contact, call Create Contact.
You can only call this method when authenticated as a Wix app or Wix user identity.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.