The server self-documents via an OpenAPI 3.0 specification.
```bash
You can load the spec into any OpenAPI viewer. With `npx`:
```bash
npx @redocly/cli preview-docs http://localhost:3000/openapi.json
```
Or use the online [Swagger Editor](https://editor.swagger.io) — paste the URL `http://localhost:3000/openapi.json`.