beta-headers changedapi/beta-headers
Nearest release: v2.1.318, published 4 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Recorded here
Lines+2added
Lines−2removed
From line
17
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits18to this page, all time
The whole hunk
from line 17, old and new numbered
/
from line 17
1717```http
1818POST /v1/messages
1919Authorization: Bearer YOUR_API_KEY
20anthropic-version: 2023-06-01
20anthropic-version: 2026-10-21
2121anthropic-beta: BETA_FEATURE_NAME
2222content-type: application/json
2323```
from line 30
3030 ```bash cURL
3131 curl https://api.anthropic.com/v1/messages \
3232 -H "x-api-key: $ANTHROPIC_API_KEY" \
33 -H "anthropic-version: 2023-06-01" \
33 -H "anthropic-version: 2026-10-21" \
3434 -H "anthropic-beta: context-management-2025-06-27" \
3535 -H "content-type: application/json" \
3636 -d '{
No line in this hunk matches that.