---
title: "/v4 /classes.json /classes.json"
method: GET
path: "/classes.json"
tags: ["features"]
---

# /v4 /classes.json /classes.json

`GET /classes.json`

Returns detailed information about the feature and attribute classes
available to the user calling the API.

## Query parameters

- `bulk` boolean

## Response `200`

OK

- ClassesReport — Classes available to the user.
  - `classes` ClassesEndpointClass[], required — The available feature and attribute classes.
    - `type` 'Attribute' | 'Feature' — The class type.
    - `id` string — A unique identifier that can be used to refer to the class.
    - `description` string — The user friendly human description of the class.
    - `schema` object — A JSON Schema object that represents the schema of attributes with this attribute class ID. More details of JSON Schema can be found at https://json-schema.org/. This field is only applicable for attribute classes.
    - `availability` object[] — Details about the availability of the class.
      - `systemVersion` string, required — The version of the system used to generate the AI Data.
      - `perspective` 'Vert' | 'TrueOrtho', required — The perspective used to generate the AI data.
      - `status` 'prod' | 'beta' | 'alpha', required — The stage of the software release cycle that the class is in for the system version and perspective combination.

## Other responses

- `401` — Unauthorized
- `403` — Forbidden

---

[API](https://skmtc.net/nearmap/apis/tiles.md) · [All operations](https://skmtc.net/nearmap/apis/tiles/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/nearmap/tiles/revisions/1f55d21ac4b9/schema)