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

# EndstateApiError

> The API replied with an error envelope. Carries `code`, `status`, `requestId`, `docUrl`, `retryAdvice`, and validation `details`.

```ts theme={null}
class EndstateApiError extends EndstateError
```

## Example

```ts theme={null}
if (isEndstateApiError(error)) log(error.code, error.requestId);
```