X's "Copy link" s= parameter has 71 known values — here's what they all mean
ThePeterMick · x · 2026-11-01
Clicking "Copy link" on an X post appends an s= query string. The author catalogued all 71 known values: the codes identify which app and share method was used, sourced from a table found in Twitter's app code in 2022 and published by the forensics tool Unfurl.
- By device: web Copy link is always s=20, Download is 18; Android Copy link is 19, iPhone 46, iPad 61
- Separate tables cover shares straight into apps like Gmail, Facebook, WhatsApp, Telegram, Line and LinkedIn, each with Android/iOS/iPhone/iPad codes
- Android-only codes include 05 WeChat, 16 Twitter DM, 31 Slack, 33 Discord, 34 Reddit
- Today's x.com web code only ever adds 20, so many legacy values may be unused
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