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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 v2.1.131

Stable Files API Paths

What

Bundled Anthropic file operations now call the stable /v1/files endpoints instead of beta-suffixed file URLs.

Usage
claude
Details
  • This affects internal/API-backed file list, upload, download, metadata, and delete calls.
  • Existing Claude Code workflows should not need new flags or settings.
  • The old implementation used /v1/files?beta=true and /v1/files/{id}/content?beta=true; the new implementation uses /v1/files and /v1/files/{id}/content.
Evidence

Files API client paths changed from beta URLs to stable URLs (search for "/v1/files" and "/v1/files?beta=true").

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

See this entry in the whole of v2.1.131 →