Function Call:
list_contacts_by_tag
Purpose:
Returns a list of all contacts who were added between a given date range, grouped by tag.
Parameters:
date_start date_end
format: YYYY-MM-DD
Return:
For each tag
tag_id tag_name contacts
– for each contact
contact_id first_name last_name email_address
status – if error
Example:
http://example.com/a.php/api/list_contacts_by_tag?api_key=0c68398f&date_start=2018-07-31&date_end=2018-10-30