effort changedbuild-with-claude/effort
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
52
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits27to this page, all time
The whole hunk
from line 52, old and new numbered
/
from line 52
5252 ```bash cURL
5353 curl https://api.anthropic.com/v1/messages \
5454 -H "x-api-key: $ANTHROPIC_API_KEY" \
55 -H "anthropic-version: 2023-06-01" \
55 -H "anthropic-version: 2026-10-21" \
5656 -H "content-type: application/json" \
5757 -d '{
5858 "model": "claude-opus-5-5",
from line 413
413413 # Effort-only system message: the new level takes effect from the next user turn.
414414 curl https://api.anthropic.com/v1/messages \
415415 -H "x-api-key: $ANTHROPIC_API_KEY" \
416 -H "anthropic-version: 2023-06-01" \
416 -H "anthropic-version: 2026-10-21" \
417417 -H "anthropic-beta: mid-conversation-output-config-2026-07-01" \
418418 -H "content-type: application/json" \
419419 -d '{
No line in this hunk matches that.