Why Xiaohongshu xsec_token Links Expire and How to Recover
A Xiaohongshu note ID identifies a note, but it is not always sufficient request input. Public note links can also carry an xsec_token generated for that note and discovery context. Treat the complete link as short-lived input rather than a permanent identifier.
The Xiaohongshu URL Helper validates these components locally and creates a copy-ready request for Xiaohongshu (RedNote) Data API.
A usable note URL
The detail and comment endpoints expect a complete public URL:
