AN
Anthropic API
OpenAPI 3.1.00 operations0 schemas67 revisions
Changes
Full historySubscribe 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.
Source
View schema- 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.mdcurl https://skmtc.dev/anthropics/apis/anthropic-api/llms.txt