Is there an URL to open the Gmail compose window with a specific message ID in full-screen (pop-out)

Question

I use the new Gmail API to create a draft for my user. The API response provides the newly created message ID.

I can then open the compose window with the URLh

Answer 1

Try this:

https://mail.google.com/mail?authuser=me@gmail.com#all/{message_id}

Just replace {message_id} with the actual ID string.