None whatsoever. Other than my server which is unrelated (because the same service could run locally) where I have a twitter bot that listens for "save this" from my main account and will unroll a thread and format it nicely for reading later. See https://threadsja.com/ThreadsJa/1214555011289690112 for an example. Used to be personal but I wiped it, got a domain and other people are slowly starting to use it.

So about every service I have connected to it is on a free tier except Ploi (free as well) but I need for actual work and is also too good not to pay for.