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Anthropic API

OpenAPI 3.1.00 operations0 schemas67 revisions

Checked 2h ago · Updated 4d ago

Subscribe to this API to generate a client from its schema and get a pull request each time the schema changes.

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Answers are drawn from this API's reference and cite the operations they use.

Document
raw.githubusercontent.com · JSON, 1.5 MB
Commit
1fd7ec7 feat(api): Add support for claude-opus-4-8, mid-conversation system blocks, and usage.output_tokens_details
Published
May 28, 2026
Retrieved
May 28, 2026
Digest
f9d488f9290d

For agents

Every page here has a markdown twin. The overview is one fetch; the llms.txt lists every operation with a link to its own markdown.

curl https://skmtc.dev/anthropics/apis/anthropic-api.md
curl https://skmtc.dev/anthropics/apis/anthropic-api/llms.txt