---
title: "Get metadata taxonomy by taxonomy key"
method: GET
path: "/metadata_taxonomies/{namespace}/{taxonomy_key}"
tags: ["Metadata taxonomies"]
---

# Get metadata taxonomy by taxonomy key

`GET /metadata_taxonomies/{namespace}/{taxonomy_key}`

Used to retrieve a metadata taxonomy by taxonomy key.

## Path parameters

- `namespace` string, required
- `taxonomy_key` string, required

## Response `200`

Returns the metadata taxonomy identified by the taxonomy key.

- MetadataTaxonomy — A taxonomy object for metadata that can be used in metadata templates.
  - `id` string, required — A unique identifier of the metadata taxonomy.
  - `key` string — A unique identifier of the metadata taxonomy. The identifier must be unique within the namespace to which it belongs.
  - `displayName` string, required — The display name of the metadata taxonomy. This can be seen in the Box web app.
  - `namespace` string, required — A namespace that the metadata taxonomy is associated with.
  - `levels` MetadataTaxonomyLevel[] — Levels of the metadata taxonomy.
    - `displayName` string — The display name of the level as it is shown to the user.
    - `description` string — A description of the level.
    - `level` integer — An index of the level within the taxonomy. Levels are indexed starting from 1.

## Other responses

- `400` — Returned when the request parameters are not valid.
- `404` — Returned when a taxonomy with the given `namespace` and `taxonomy_key` cannot be found.
- `default` — An unexpected client error.

---

[API](https://skmtc.net/box/apis/platform-api.md) · [All operations](https://skmtc.net/box/apis/platform-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/box/platform-api/revisions/ba8f087e1a4d/schema)