> For the complete documentation index, see [llms.txt](https://fusionauth.io/docs/llms.txt)

# Retrieve the status of an index rebuild

API documentation for the FusionAuth Retrieve the status of an index rebuild API.

# Retrieve the status of an index rebuild

This API is used to retrieve the status of a reindex request. This may be useful to identify if an existing re-index operation has been completed.

## Request

[!Global API Key Authentication](https://fusionauth.io/docs/apis/authentication.md#global-api-key-authentication)

Retrieve the status the Elasticsearch reindex operation

GET/api/system/reindex

## Response

*Response Codes*

| Code | Description |
| --- | --- |
| 202 | 
A re-index operation is currently in progress.

 |
| 400 | The request was invalid and/or malformed. The response will contain an [Errors](https://fusionauth.io/docs/apis/errors.md) JSON Object with the specific errors. This status will also be returned if a paid FusionAuth license is required and is not present. |
| 401 | You did not supply a valid Authorization header. The header was omitted or your API key was not valid. The response will be empty. See [Authentication](https://fusionauth.io/docs/apis/authentication.md). |
| 404 | A re-index operation is not currently in progress. No response body will be returned. |
| 500 | There was an internal error. A stack trace is provided and logged in the FusionAuth log files. The response will be empty. |
| 503 | The search index is not available or encountered an exception so the request cannot be completed. The response will contain a JSON body. |