How to Stream with vMix

What is vMix?

vMix is professional live production software for Windows, used by broadcasters, production companies, churches and TV networks.

Main features: multi-camera (up to 1,000 inputs), native NDI, professional replay, 3D virtual sets and 4K support.

Download it from vmix.com (free 60-day trial).

Log in to your Control Panel
Select your channel and go to the "Stream Data" tab
Select "vMix" in the software selector
When you select vMix, the panel shows the RTMP URL with the credentials embedded, since vMix includes them directly in the server URL. You will see a green message: "The credentials are integrated into the server URL".
Copy these 2 values:
- RTMP Server URL — this URL already includes your username and password in the format rtmp://username:password@server:1935/app
- Stream Key — your unique stream key

Note: Unlike OBS and Wirecast, in vMix the credentials are embedded in the server URL. You don't need separate username/password fields.

At the bottom of vMix, click the gear icon next to the "Stream" button
Configure the fields:
- Destination: Custom RTMP Server
- URL: Paste your RTMP URL (it already includes credentials)
- Stream Key: Paste your Stream Key

Field in vMix	Credential from the Panel
URL	RTMP URL (with embedded credentials)
Stream Key	Stream Key

Problem	Solution
RTMP connection error	Check that the URL includes the right credentials and that the Stream Key is correct.
Dropped frames	Lower the resolution or bitrate. Check the GPU.
NDI does not detect sources	Check they are on the same network and that the firewall allows NDI.
High CPU usage	Switch from x264 to NVENC (GPU encoding).