Function Call:
list_contacts_opened
Purpose:
This lists the contacts who have opened a trackable email within a given time period.
Parameters:
date_start date_end
format: YYYY-MM-DD
Return:
For the open:
contact_id first_name last_name email_address stamp_create
– date the email was opened.
If the email opened was sent as broadcast
broadcast_id broadcast_subject
If the email was sent as a subscription message
subscription_id subscription_subject message_id message_subject
status – if error
Example:
http://example.com/a.php/api/list_contacts_opened?api_key=0c68398f&date_start=2018-07-31&date_end=2018-10-30