Source of b23.wtf, a tracing-free bilibili short URL service.
Here's also a browser userscript for replacing destinations to b23.tv on *.bilibili.com, hosted on GreasyFork.
Identical service is available through: b23.wtf. b23.tf. b23.icu.
Similar services for 小红书: https://xhslink.icu.
https://b23.wtf/api?full=[url]
302 to URL
https://b23.wtf/api?full=[url]&status=200
200 with URL plain text
https://b23.wtf/setautoredirect[1,0]
set-cookie to turn on/off unconditional auto-redirect