> For the complete documentation index, see [llms.txt](https://jtheta-ai.gitbook.io/docs.jtheta.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://jtheta-ai.gitbook.io/docs.jtheta.ai/jtheta-rest-api/openapi/authentication.md).

# Authentication

## GET /validate\_key/

> Validate API key

```json
{"openapi":"3.0.3","info":{"title":"JTheta API","version":"1.0.0"},"servers":[{"url":"https://api.jtheta.ai"}],"paths":{"/validate_key/":{"get":{"tags":["Authentication"],"summary":"Validate API key","responses":{"200":{"description":"Valid API key"},"401":{"description":"Invalid or missing API key"}}}}}}
```