To install the JSONAPI plugin on your Minecraft server, nothing could be easier :
- Download the version corresponding to your server, then upload the file in the "plugins" folder of your FTP.
- Then restart your Minecraft server to generate the configuration files.
- Open the config.yml file with a text editor, then change the port with the one that will be dedicated to JSONAPI. Save the file.
- Now open the user.yml file, and change username and password. We strongly advise you to choose a very complex password to avoid any bad surprises. Save the file.
- Restart you server.
Read the full guide