diff --git a/README.md b/README.md
index 5d8aa8c4f3f36e9c104d14e51099ad2ec5166103..72dfafddbba60e66c254b13b70817e9102ccc228 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,8 @@ This repository contains the **Open APIs for semantic interoperability** of the
 3. [Pilot 3 Open APIs](#pilot3-info)
 4. [Pilot 4 Open APIs](#pilot4-info)
 5. [Pilot 5 Open APIs](#pilot5-info)
-6. [Pilot 7 Open APIs](#pilot7-info)
+6. [Pilot 6 Open APIs](#pilot6-info)
+7. [Pilot 7 Open APIs](#pilot7-info)
 
 
 <a name="pilot1-info"></a>
@@ -141,6 +142,19 @@ Digital Twin for synthetic data generation, both for the Permanent Magnet Synchr
     - [Output data in **CSV** format](https://git.code.tecnalia.com/open/enershare/-/raw/main/mappings/pilot5/Italian_pilot_EV_fleet_historical_data_EMOT-small.csv); [RML mapping for **CSV** format](https://git.code.tecnalia.com/open/enershare/-/raw/main/mappings/pilot5/mapping_pilot5_electric_vehicle_data_csv.ttl)
     - [Output data in **JSON-LD** format](https://git.code.tecnalia.com/open/enershare/-/raw/main/mappings/pilot5/generated_pilot5_electric_vehicle_data_jsonld.jsonld) ; [Compliance **SHACL file**](https://git.code.tecnalia.com/open/enershare/-/raw/main/validation/pilot5/pilot5_electric_vehicle_data.shacl.ttl)
 
+
+<a name="pilot6-info"></a>
+## Pilot 6 Open APIs
+
+### Aggregation of flexibility from end users
+
+#### History of grid frequency measurements
+
+- Service output files:
+    - [Output data in **JSON** format](https://git.code.tecnalia.com/open/enershare/-/raw/main/mappings/pilot6/even_hist.json); [RML mapping for **JSON** format](https://git.code.tecnalia.com/open/enershare/-/raw/main/mappings/pilot6/mapping_pilot6_grid_frequency.ttl)
+    - [Output data in **JSON-LD** format](https://git.code.tecnalia.com/open/enershare/-/raw/main/mappings/pilot6/generated_pilot6_grid_frequency_jsonld.jsonld) ; [Compliance **SHACL file**](https://git.code.tecnalia.com/open/enershare/-/raw/main/validation/pilot6/pilot6_grid_frequency.shacl.ttl)
+    
+
 <a name="pilot7-info"></a>
 ## Pilot 7 Open APIs