diff --git a/README.md b/README.md
index 07cbf4ce54..06a42565c2 100644
--- a/README.md
+++ b/README.md
@@ -196,6 +196,7 @@ It is recommended setting up alerts in [vmalert](https://docs.victoriametrics.co
     - `api/v1/export` - exports raw data in JSON line format. See [this article](https://medium.com/@valyala/analyzing-prometheus-data-with-external-tools-5f3e5e147639) for details.
     - `api/v1/export/native` - exports raw data in native binary format. It may be imported into another VictoriaMetrics via `api/v1/import/native` (see above).
     - `api/v1/export/csv` - exports data in CSV. It may be imported into another VictoriaMetrics via `api/v1/import/csv` (see above).
+    - `api/v1/series/count` - returns the total number of series.
     - `api/v1/status/tsdb` - for time series stats. See [these docs](https://prometheus.io/docs/prometheus/latest/querying/api/#tsdb-stats) for details.
       VictoriaMetrics accepts optional `topN=N` and `date=YYYY-MM-DD` query args for this handler, where `N` is the number of top entries to return in the response
       and `YYYY-MM-DD` is the date for collecting the stats. By default the stats is collected for the current day.
diff --git a/docs/Cluster-VictoriaMetrics.md b/docs/Cluster-VictoriaMetrics.md
index 86ad9e5432..5a8e926155 100644
--- a/docs/Cluster-VictoriaMetrics.md
+++ b/docs/Cluster-VictoriaMetrics.md
@@ -200,6 +200,7 @@ It is recommended setting up alerts in [vmalert](https://docs.victoriametrics.co
     - `api/v1/export` - exports raw data in JSON line format. See [this article](https://medium.com/@valyala/analyzing-prometheus-data-with-external-tools-5f3e5e147639) for details.
     - `api/v1/export/native` - exports raw data in native binary format. It may be imported into another VictoriaMetrics via `api/v1/import/native` (see above).
     - `api/v1/export/csv` - exports data in CSV. It may be imported into another VictoriaMetrics via `api/v1/import/csv` (see above).
+    - `api/v1/series/count` - returns the total number of series.
     - `api/v1/status/tsdb` - for time series stats. See [these docs](https://prometheus.io/docs/prometheus/latest/querying/api/#tsdb-stats) for details.
       VictoriaMetrics accepts optional `topN=N` and `date=YYYY-MM-DD` query args for this handler, where `N` is the number of top entries to return in the response
       and `YYYY-MM-DD` is the date for collecting the stats. By default the stats is collected for the current day.