Ok so, right now I can\'t really afford to pay for any service. I want to be able to take screenshots using my rented server, which is Linux based, and output them on the sc
Since you have your own Linux server, the best way is to run your own screenshot service without limitation.
Here is an easy solution to run it on your server:
https://github.com/filovirid/screenshot_server
It creates an API so that you can access it from everywhere.