<p>Submits a request to change the health status of a custom health check to healthy or unhealthy.</p> <p>You can use <code>UpdateInstanceCustomHealthStatus</code> to change the status only for custom health checks, which you define using <code>HealthCheckCustomConfig</code> when you create a service. You can't use it to change the status for Route 53 health checks, which you define using <code>HealthCheckConfig</code>.</p> <p>For more information, see <a href="https://docs.aws.amazon.com/cloud-map/latest/api/API_HealthCheckCustomConfig.html">HealthCheckCustomConfig</a>.</p>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}