Use cases
Share a local dev site, API, WebSocket server or Server-Sent Events stream on a public HTTPS URL with Horizon.
Put something running on your laptop in front of someone, or something, that isn't on your laptop.
Share your local dev site
Send a teammate or client a link to localhost.
Share a local API
Call it from curl, Postman or browser code on another origin.
Test a mobile app against your local API
Point a phone at your laptop over HTTPS.
Expose a local WebSocket server
Connect over wss:// from anywhere.
Stream Server-Sent Events
Streams pass through unbuffered.