Non-API Automation for Multiple IG Pages on a Desktop?

Does anyone sell this as a service? Since "API" is dead now and all automation based on API will get your page banned, what is the alternative? What exactly is "non-API" automation called if I'm searching for it? Need a way to automate 20-30 pages with follow-unfollow, feed likes, story views, story likes, automated posting, etc. from my DESKTOP operating system (not a phone) that somehow doesn't use API. Apparently this doesn't exist, correct?

You need mobiles, you cant do that on PC

Well you can do it a couple ways the hardest part is staying undetected if you want to do it via your computer you would need to use something like puppeteer or selenium and have a undetectable chrome driver, these sites have signals about your browser so any automation is heavily restricted unless you build your own chrome driver