> ## Documentation Index
> Fetch the complete documentation index at: https://docs.darwin.so/llms.txt
> Use this file to discover all available pages before exploring further.

# OpenAPI specification

> Download Darwin's reviewed public API contract.

Darwin publishes the production OpenAPI 3.1 contract at:

```text theme={null}
https://docs.darwin.so/openapi.json
```

<Card title="Download the OpenAPI specification" icon="download" href="https://docs.darwin.so/openapi.json">
  Use the same reviewed contract that powers this API reference, the TypeScript and Python SDKs, and CLI contract checks.
</Card>

The specification includes only the supported public developer API. Internal controllers, private runtime contracts, and provider credentials are deliberately excluded.