API
You can also save data via API. Just make POST request for URL
https://karboosx.net/pastebin
with json payload like this
{ "data":"your data" }
you can also pass the key value to set password like this
{ "data":"your data", "key":"my_password" }
In return you will get 201 Created response with json data like this:
{ "url": "https://karboosx.net/pastebin/43!1ad501af936b1c882793378822f0d34dcb39a774/raw" }
The URL is path to your data in raw format (without any html)