diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2179a18c0..30a0cdc12 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@
       - ADDED: keepalive support to the osrm-routed HTTP server [#5518](https://github.com/Project-OSRM/osrm-backend/pull/5518)
       - ADDED: flatbuffers output format support [#5513](https://github.com/Project-OSRM/osrm-backend/pull/5513)
       - ADDED: Global 'skip_waypoints' option [#5556](https://github.com/Project-OSRM/osrm-backend/pull/5556)
+      - ADDED: monitoring endpoint in prometheus format [#5180](https://github.com/Project-OSRM/osrm-backend/pull/5180)
       - FIXED: Install the libosrm_guidance library correctly [#5604](https://github.com/Project-OSRM/osrm-backend/pull/5604)
       - FIXED: Http Handler can now deal witch optional whitespace between header-key and -value [#5606](https://github.com/Project-OSRM/osrm-backend/issues/5606)
     - Routing:
diff --git a/docs/monitoring.md b/docs/monitoring.md
new file mode 100644
index 000000000..7193bf099
--- /dev/null
+++ b/docs/monitoring.md
@@ -0,0 +1,15 @@
+## Abstract
+
+OSRM routed daemon publish helath information in prometheus format.
+This option switched off by default. To enable this feature please set `-P <monitoring_port>` option on OSRM routed startup.
+
+
+## Available metrics
+
+- `osrm_routed_instance_info` metric with base instanse information inside labels
+-- `algorithm` routing algorithm;
+-- `code_version` OSRM version. Same with `-v` command line option;
+-- `data_version` OSM data version if available. This value can be setted at the `osrm-extract` phase;
+-- `working_threads` actual count of http requests processing threads;
+- `http_requests_count` http calls count divided by plugins. And `invalid` count for requests were plugin wasn't set;
+- `workers_busy` http workers count that process request at this moment;