diff --git a/APIs/SentinelHub/Data/DEM.qmd b/APIs/SentinelHub/Data/DEM.qmd
index e0dd8200a..f961cc2a1 100644
--- a/APIs/SentinelHub/Data/DEM.qmd
+++ b/APIs/SentinelHub/Data/DEM.qmd
@@ -45,6 +45,16 @@ For Copernicus DEM GLO-30 Public, check the license and terms
 
 ## Accessing DEM Data
 
+::::{.callout-warning}
+Access to Copernicus DEM 30m (COPERNICUS_30) is restricted to authorized user
+categories. Requests that don't specify
+[`demInstance`](/APIs/SentinelHub/Data/DEM.html#deminstance) now default to
+Copernicus DEM 90m (COPERNICUS_90). To continue accessing the COP DEM 30m,
+users are required to register as CCM users. See
+[announcement](https://dataspace.copernicus.eu/news/2026-8-25-copernicus-dem-30m-view-service-update){target="_blank"}
+for more information.
+::::
+
 To access data you need to send a POST request to our `process` API. The
 requested data will be returned as the response to your request. Each
 POST request can be tailored to get you exactly the data you require. To