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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.248

Usage lookups can skip spend computation

Under the hood
Useful1 Signal2
Usage & Limits

Usage lookups can ask the server to skip computing spend.

What

The usage fetch gained an at-wall mode that asks the server to skip computing spend, reported separately in telemetry.

Details
  • Requests /api/oauth/usage?at_wall=1&skip_spend=1 and reports as api_usage_fetch_at_wall rather than api_usage_fetch.
  • Chosen by the caller; the plain endpoint and metric remain for everything else.
Evidence

/api/oauth/usage?at_wall=1&skip_spend=1

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.248 →