Not that I know of, but AFAIK you can use a proxy. Even with Poltergeist I used ...

		mickeyben on July 5, 2017 \| parent \| context \| favorite \| on: Running feature specs with Capybara and Chrome hea... Not that I know of, but AFAIK you can use a proxy. Even with Poltergeist I used to debug a slow test suite with it's `--proxy-server` option. You can fire up mitmproxy and see the requests flowing in real time. You can even modify them or replay them.