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

# Retrieve System Health

API documentation for the FusionAuth Retrieve System Health API.

# Retrieve System Health

version

This API has been available since 1.51.1

The Health API is used to monitor the health of the FusionAuth service. This endpoint is specifically intended for use by a load balancer to understand when FusionAUth is available, live and ready for requests. Prefer this endpoint to the Status API when using it for a load balancer or a Kubernetes readiness check.

This API does not require an API key.

## Request

[!No Authentication Required](https://fusionauth.io/docs/apis/authentication.md#no-authentication-required)

Return the system health

GET/api/health

OpenAPI Spec

## Response

This API does not return a JSON response body.

*Response Codes*

| Code | Description |
| --- | --- |
| 200 | FusionAuth is functioning properly and can accept requests. |
| 500 | FusionAuth is not functioning properly. This will generally indicate that FusionAuth is not able to communicate with the database or complete I/O operations. |