Marks all the subscriber messages as read, unread, seen or unseen. Optionally you can pass feed id (or array) to mark messages of a particular feed.
POST
/v1/subscribers/{subscriberId}/messages/mark-allAuthorization
Authorization<token>API key authentication. Allowed headers-- "Authorization: ApiKey <api_key>".
In: header
Request Body
application/jsonRequiredfeedIdentifierstring | array<string>Optional feed identifier or array of feed identifiers
markAsRequiredstringMark all subscriber messages as read, unread, seen or unseen
Value in: 
"read" | "seen" | "unread" | "unseen"Path Parameters
subscriberIdRequiredstringHeader Parameters
idempotency-keystringA header for idempotency purposes