Editora 0.18.3. Archived, so links from that release keep working. Read the 0.18.5 page →
HTTP: Run Request at Caret
http.runRequest Send the .http request at the caret.
How to run it
Open the command palette (M-x in the Emacs keymap) and search for HTTP: Run Request at Caret, then press Enter. It has no default keybinding, but you can bind one in Settings → Keymaps.