API filter device by location name?

[llamafilm]

How can I filter devices by location name (either location.name or location.slug)? Furthermore, how can I find out all the available filter fields? I tried /api/dcim/devices/?location=ct-sound-lab but this returns all devices as if no filter were applied.
I also tried /api/dcim/devices/?location_slug=ct-sound-lab, that does the same thing.

/api/dcim/devices/?location_id=5 works as expected.

Here's an example of one device:

            "location": {
                "id": 5,
                "url": "http://10.128.36.29/api/dcim/locations/5/",
                "display": "CT Sound Lab",
                "name": "CT Sound Lab",
                "slug": "ct-sound-lab",
                "_depth": 0
            },

[candlerb]

/api/dcim/devices/?location_id=5 works as expected.

The available filters are included in the machine-generated REST API documentation, linked from the bottom of your Netbox home page or at https://demo.netbox.dev/api/schema/swagger-ui/

Under GET /api/dcim/devices/:

This shows that filtering on location_id is the only one available (__n is the negative variation)

You'll need to do a separate REST query to find the id of the location you're interested in. Or possibly graphQL can do it directly, I don't know.