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Please make sure that your system meets the requirements we have outlined:
There is no installation required to get the HTS running 24/7 on macOS. All you have to do is download the package, unpack it into a folder and then unpack the contents of to /Applications/.
When you start HTS a script will run to check if you have Mono installed. If this is missing it will advise you to install it first.
Please do NOT update your Mono to any version greater than 6.8.x. Download version from this link:
When you start HTS it may take a few moments to initialize, this is normal. After a few moments, your browser will open to
It is rare, but there might be a small conflict with your browser that prevents it from opening automatically. If, after a few moments, the browser doesn't open automatically, manually open the browser and navigate to the URL:
Remember that you will need to restart HaasOnline Trade Server if your machine has been restarted or shutdown.

Setting Up HTS

You are now ready to enter your license key.
You can now proceed to insert the API key(s) for the exchange(s) that you use.

Shutting Down HTS

If you need to do it, you can run the following command in Terminal:
killall mono


  • License is invalid error - please contact support
  • Incorrect login details? Can't login to your HTS? Follow the steps outlined below:
  • Incorrect Mono version installed - please run these commands line by line in a terminal (source):
sudo rm -rf /Library/Frameworks/Mono.framework
sudo pkgutil --forget com.xamarin.mono-MDK.pkg
sudo rm /etc/paths.d/mono-commands