---
title: "Validate project key"
method: GET
path: "/rest/api/2/projectvalidate/key"
tags: ["Project key and name validation"]
---

# Validate project key

`GET /rest/api/2/projectvalidate/key`

Validates a project key by confirming the key is a valid string and not in use.

**[Permissions](#permissions) required:** None.

## Query parameters

- `key` string

## Response `200`

Returned if the request is successful.

- ErrorCollection — Error messages from an operation.
  - `errorMessages` string[] — The list of error messages produced by this operation. For example, "input parameter 'key' must be provided"
  - `errors` object — The list of errors by parameter returned by the operation. For example,"projectKey": "Project keys must start with an uppercase letter, followed by one or more uppercase alphanumeric characters."
  - `status` integer

## Other responses

- `401` — Returned if the authentication credentials are incorrect.

---

[API](https://skmtc.net/atlassian/apis/the-jira-cloud-platform-rest-api.md) · [All operations](https://skmtc.net/atlassian/apis/the-jira-cloud-platform-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/atlassian/the-jira-cloud-platform-rest-api/versions/a26541c2f8bd/schema)