diff --git a/services/backup/src/database/backup_item.rs b/services/backup/src/database/backup_item.rs
--- a/services/backup/src/database/backup_item.rs
+++ b/services/backup/src/database/backup_item.rs
@@ -2,8 +2,11 @@
 use aws_sdk_dynamodb::types::AttributeValue;
 use chrono::{DateTime, Utc};
 use comm_lib::{
+  backup::BackupVersionInfo,
   blob::types::BlobInfo,
-  database::{AttributeExtractor, DBItemError, TryFromAttribute},
+  database::{
+    parse_int_attribute, AttributeExtractor, DBItemError, TryFromAttribute,
+  },
 };
 use std::collections::HashMap;
 
@@ -18,6 +21,8 @@
   pub backup_id: String,
   pub user_keys: BlobInfo,
   pub siwe_backup_msg: Option<String>,
+  pub total_size: u64,
+  pub version_info: BackupVersionInfo,
 }
 
 impl TryFrom<HashMap<String, AttributeValue>> for OrderedBackupItem {
@@ -47,12 +52,26 @@
     let siwe_backup_msg: Option<String> =
       value.take_attr(backup_table::attr::SIWE_BACKUP_MSG)?;
 
+    let size_attr = value.remove(backup_table::attr::TOTAL_SIZE);
+    let total_size = if size_attr.is_some() {
+      parse_int_attribute(backup_table::attr::TOTAL_SIZE, size_attr)?
+    } else {
+      0u64
+    };
+
+    // older backups don't have this attribute
+    let version_info: BackupVersionInfo = value
+      .take_attr::<Option<_>>(backup_table::attr::VERSION_INFO)?
+      .unwrap_or_default();
+
     Ok(OrderedBackupItem {
       user_id,
       created,
       backup_id,
       user_keys,
       siwe_backup_msg,
+      total_size,
+      version_info,
     })
   }
 }
diff --git a/services/backup/src/http/handlers/backup.rs b/services/backup/src/http/handlers/backup.rs
--- a/services/backup/src/http/handlers/backup.rs
+++ b/services/backup/src/http/handlers/backup.rs
@@ -277,6 +277,7 @@
     keyserver_device_id,
     total_backup_size,
     creation_timestamp: backup_item.created.to_rfc3339(),
+    version_info: backup_item.version_info,
   };
 
   Ok(web::Json(response))
diff --git a/services/terraform/modules/shared/dynamodb.tf b/services/terraform/modules/shared/dynamodb.tf
--- a/services/terraform/modules/shared/dynamodb.tf
+++ b/services/terraform/modules/shared/dynamodb.tf
@@ -28,7 +28,7 @@
     hash_key           = "userID"
     range_key          = "created"
     projection_type    = "INCLUDE"
-    non_key_attributes = ["userKeys", "siweBackupMsg"]
+    non_key_attributes = ["userKeys", "siweBackupMsg", "totalSize", "versionInfo"]
   }
 
   point_in_time_recovery {
@@ -122,6 +122,11 @@
     type = "S"
   }
 
+  ttl {
+    attribute_name = "expirationTimeUnix"
+    enabled        = true
+  }
+
   point_in_time_recovery {
     enabled = local.pitr_enabled
   }
diff --git a/shared/comm-lib/src/backup/mod.rs b/shared/comm-lib/src/backup/mod.rs
--- a/shared/comm-lib/src/backup/mod.rs
+++ b/shared/comm-lib/src/backup/mod.rs
@@ -28,6 +28,7 @@
   // ISO 8601 / RFC 3339 DateTime string
   pub creation_timestamp: String,
   pub total_backup_size: u64,
+  pub version_info: BackupVersionInfo,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]