---
title: "List Model Lab run facet keys"
method: GET
path: "/api/v2/model-lab-api/facet-keys"
tags: ["Model Lab API"]
---

# List Model Lab run facet keys

`GET /api/v2/model-lab-api/facet-keys`

## Request

- Base URL: `https://api.datadoghq.com`
- URL: `https://api.datadoghq.com/api/v2/model-lab-api/facet-keys`
- Auth: API key in header `DD-API-KEY` and API key in header `DD-APPLICATION-KEY`

List all available facet keys for filtering Model Lab runs.

## Query parameters

- `filter[project_id]` integer, required

## Response `200`

OK

- ModelLabFacetKeysResponse: Response containing available facet keys.
  - `data` ModelLabFacetKeysData, required: A facet keys JSON:API resource object.
    - `attributes` ModelLabFacetKeysAttributes, required: Available facet key names for filtering resources.
      - `metrics` string[], nullable, required: The list of available metric facet keys.
      - `parameters` string[], required: The list of available parameter facet keys.
      - `tags` string[], required: The list of available tag facet keys.
    - `id` string, required: The unique identifier of the facet keys resource.
    - `type` 'facet_keys', required: The JSON:API type for a facet keys resource.

## Other responses

- `400`: Bad Request
- `404`: Not Found
- `429`: Too many requests
- `500`: Internal Server Error

---

[API](https://skmtc.dev/datadog/apis/datadog-api-v2-collection.md) - [All operations](https://skmtc.dev/datadog/apis/datadog-api-v2-collection/llms.txt) - [OpenAPI document](https://skmtc.dev/datadog/apis/datadog-api-v2-collection/revisions/da68bf029e4c?raw)