diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2bf9952e2..b82e5af4b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Added
 
+* Added 5.2 API calls for `Get-RubrikClusterStorage` as the endpoint to retrieve Average Daily Growth no longer exists in CDM 5.2. Resolves [Issue 664](https://github.com/rubrikinc/rubrik-sdk-for-powershell/issues/664)
+* Updated API stanza for 5.2 for the `Get-RubrikSyslogServer` cmdlet
+
 ### Fixed
 
 ## [5.0.2](https://github.com/rubrikinc/rubrik-sdk-for-powershell/tree/5.0.2) - 2020-07-08
diff --git a/Rubrik/Private/Get-RubrikAPIData.ps1 b/Rubrik/Private/Get-RubrikAPIData.ps1
index 27e70735f..ca3b156be 100644
--- a/Rubrik/Private/Get-RubrikAPIData.ps1
+++ b/Rubrik/Private/Get-RubrikAPIData.ps1
@@ -343,6 +343,24 @@ function Get-RubrikAPIData {
                 Filter      = ''
                 Success     = '200'
             }
+            '5.2' = @{
+                Description = 'Retrieves advanced settings of the Rubrik cluster'
+                URI         = @{
+                        StorageOverview         = '/api/internal/stats/system_storage'
+                        DiskCapacityInTb        = '/api/internal/cluster/me/disk_capacity'
+                        FlashCapacityInTb       = '/api/internal/cluster/me/flash_capacity'
+                        CloudStorage            = '/api/internal/stats/cloud_storage/physical'
+                        CloudStorageIngested    = '/api/internal/stats/cloud_storage/ingested'
+                        LocalStorageIngested    = '/api/internal/stats/snapshot_storage/ingested'
+                        DailyGrowth             = '/api/internal/stats/average_storage_growth_per_day'
+                               }
+                Method      = 'Get'
+                Body        = ''
+                Query       = ''
+                Result      = ''
+                Filter      = ''
+                Success     = '200'
+            }
         }
         'Get-RubrikBackupServiceDeployment'           = @{
             '1.0' = @{
@@ -1304,6 +1322,18 @@ function Get-RubrikAPIData {
                 }
                 Success     = '200'
             }
+            '5.2' = @{
+                Description = 'Retrieve the configured syslog servers within the Rubrik Cluster'
+                URI         = '/api/v1/syslog/export'
+                Method      = 'Get'
+                Body        = ''
+                Query       = ''
+                Result      = 'data'
+                Filter      = @{
+                    'Name' = 'hostname'
+                }
+                Success     = '200'
+            }
         }
         'Get-RubrikUnmanagedObject'    = @{
             '1.0' = @{