AppView has the unique capability of capturing application payloads without any need for the user to provide any keys or configuration.
appview run --payloads curl https://www.gnu.org # Make a HTTPS request to a website with AppView loaded
appview flows # Inspect the network flows. Look for one with inbound data.
appview flows <id> # Look at that flow in more detail
appview flows <id> --in # Look at the decrypted inbound payload (the web server's response)
Flows output:
A flow in detail:
Decrypted payload output: