diff --git a/pbs-api-types/src/lib.rs b/pbs-api-types/src/lib.rs
index 00d1e3a5..a95cbf6a 100644
--- a/pbs-api-types/src/lib.rs
+++ b/pbs-api-types/src/lib.rs
@@ -470,3 +470,58 @@ pub struct PruneListItem {
     /// Keep snapshot
     pub keep: bool,
 }
+
+#[api()]
+#[derive(Default, Serialize, Deserialize)]
+/// Storage space usage information.
+pub struct StorageStatus {
+    /// Total space (bytes).
+    pub total: u64,
+    /// Used space (bytes).
+    pub used: u64,
+    /// Available space (bytes).
+    pub avail: u64,
+}
+
+#[api()]
+#[derive(Serialize, Deserialize, Default)]
+/// Backup Type group/snapshot counts.
+pub struct TypeCounts {
+    /// The number of groups of the type.
+    pub groups: u64,
+    /// The number of snapshots of the type.
+    pub snapshots: u64,
+}
+
+#[api(
+    properties: {
+        ct: {
+            type: TypeCounts,
+            optional: true,
+        },
+        host: {
+            type: TypeCounts,
+            optional: true,
+        },
+        vm: {
+            type: TypeCounts,
+            optional: true,
+        },
+        other: {
+            type: TypeCounts,
+            optional: true,
+        },
+    },
+)]
+#[derive(Serialize, Deserialize, Default)]
+/// Counts of groups/snapshots per BackupType.
+pub struct Counts {
+    /// The counts for CT backups
+    pub ct: Option<TypeCounts>,
+    /// The counts for Host backups
+    pub host: Option<TypeCounts>,
+    /// The counts for VM backups
+    pub vm: Option<TypeCounts>,
+    /// The counts for other backup types
+    pub other: Option<TypeCounts>,
+}