App Chat spike (test contacts only)
Customer sends (inbound)
Chat ID
text
image
Optional contact fields: firstName
phone (E.164, your own)
Send text
Customer uploads a real file (inbound file flow)
link lives
sec
Upload & send
Needs the public URL below so respond.io can fetch it. File is served at a link that dies after the TTL.
Public (ngrok) URL — paste your https ngrok address
How /message answers respond.io
ok
fail400
fail500
slow
slow seconds
auto send delivered/read