Update a Message

PUT {{yourAccountUrl}}/api/3/messages/:id

Request Body

{"message"=>{"fromname"=>"AC Admin", "fromemail"=>"noreply@example.com", "reply2"=>"hello@example.com", "subject"=>"You are subscribing to %LISTNAME%", "preheader_text"=>"Pre-header Text", "text"=>"hello", "html"=>"<div>hello</div>"}}

HEADERS