Knock works inside your native messaging app — protecting PHI for consults, referrals, and escalations without creating a new inbox.
Join the WaitlistFor physicians, NPs, PAs, Dentists, specialists, PTs, Chiros and so much more.
Curbside questions answered in seconds. A quick "Can you look at this?" without leaving your workflow.
Lab values, pathology findings, and imaging reads that can't wait.
Wound checks, rashes, and imaging snapshots shared instantly.
Warm handoffs to specialists with context — no fax machine, no phone tag.
Because it lives in your normal thread.
The thread shows a clean message preview.
Sensitive content opens securely.
Real-time read receipts for every secure card.
Priority flags that cut through the noise.
Automated escalation when time matters most.
Know that every critical message gets handled.
Fast can finally mean organized.
Founded by Layne Swenson and a practicing orthopedic spine surgeon who deal with this every day.
This wasn't imagined.
It was experienced.
If you already text colleagues, Knock was built for you.
Be among the first to:
When it matters, it should reach them.