Anonymous 04/27/2021 (Tue) 03:47:27 No.14704 del
I have never used it before but here is 4chans api
It is read-only though, so you will have to use some sort of web-scraper program to post, so you might as well use it to parse the threads as well. There are python libraries that make the process dead-easy, especially if you aren't making requests very frequently.