if requestsMax < 0 {
		return cfg, errors.New("invalid API max requests value")
	}

	clusterDeadline, err := time.ParseDuration(env.Get(EnvAPIClusterDeadline, kvs.GetWithDefault(apiClusterDeadline, DefaultKVS)))
	if err != nil {
		return cfg, err
	}
	cfg.ClusterDeadline = clusterDeadline

KEY:
api  manage global HTTP API call specific features, such as throttling, authentication types, etc.

ARGS:
requests_max                    (number)    set the maximum number of concurrent requests (default: 'auto')
cluster_deadline                (duration)  set the deadline for cluster readiness check (default: '10s')
cors_allow_origin               (csv)       set comma separated list of origins allowed for CORS requests (default: '*')

	return
}

func (t *apiConfig) init(cfg api.Config, setDriveCounts []int, legacy bool) {
	t.mu.Lock()
	defer t.mu.Unlock()

	clusterDeadline := cfg.ClusterDeadline
	if clusterDeadline == 0 {
		clusterDeadline = 10 * time.Second
	}
	t.clusterDeadline = clusterDeadline
	corsAllowOrigin := cfg.CorsAllowOrigin
	if len(corsAllowOrigin) == 0 {
		corsAllowOrigin = []string{"*"}
	}