[1] dev:web_api:v3:write_requests [Zotero Documentation] ( 版) <https://www.zotero.org/support/dev/web_api/v3/write_requests>
The Last-Modified-Version is the version that has been assigned to any Zotero objects in the success object — that is, objects that were modified in this request.
[2] dev:web_api:v3:syncing [Zotero Documentation] ( 版) <https://www.zotero.org/support/dev/web_api/v3/syncing>