---
title: "Update tag key"
method: PATCH
path: "/v1/tag-keys/{key}"
tags: ["Tags"]
---

# Update tag key

`PATCH /v1/tag-keys/{key}`

Update the description for a tag key.

## Path parameters

- `key` string, required — Tag key to update

## Headers

- `x-api-key` string, nullable — Skyvern API key for authentication. API key can be found at https://app.skyvern.com/settings.

## Request body

- TagKeyUpdate — Body for ``PATCH /v1/tag-keys/{key}``.
  - `description` string, nullable — Free-form description (max 500 chars). Pass null to clear.

## Response `200`

Successfully updated tag key

- TagKey — Tag-key registry entry.
  - `key` string, required
  - `description` string, nullable
  - `workflow_count` integer

## Other responses

- `404` — Tag key not found
- `422` — Description too long

## Changes

- **2026-06-13** `e7044f43e57e` — 2 info
  - api tag `Tags` added
  - api tag `Agent Tags` removed
- **2026-06-07** `e37d309fc58f` — 3 info
  - api tag `Agent Tags` added
  - api tag `Workflow Tags` removed
  - added the optional property `workflow_count` to the response with the `200` status
- **2026-05-30** `fdb894aa6708` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/skyvern-ai/apis/skyvern-api/changes/v1/tag-keys/:key/patch.md)

---

[API](https://skmtc.dev/skyvern-ai/apis/skyvern-api.md) · [All operations](https://skmtc.dev/skyvern-ai/apis/skyvern-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/skyvern-ai/skyvern-api/revisions/1a7ff4f208ff/schema)