# E01015 — NotImplemented

This endpoint is not yet implemented.

- **HTTP status**: `501`
- **Type**: `not_implemented_error`
- **Name**: `NotImplemented`

## What to do

The endpoint is declared in the API but not implemented yet. Nothing on your side fixes this: the endpoint is not live. Watch the changelog for availability.

## Related

- [E01xxx — Infrastructure](/docs/api/errors/E01xxx): every code in this range
- [Errors](/docs/api/errors): the full wire contract, status mapping, and error catalog
- [Error handling](/docs/guides/errors): branching on `type` and `code`, validation details, and `vendor_code`