diff --git a/src/routes.rs b/src/routes.rs
index e10e0b9..9c0d4bd 100644
--- a/src/routes.rs
+++ b/src/routes.rs
@@ -249,6 +249,7 @@ pub async fn get_object(
 #[serde(untagged)]
 pub enum InEntry {
     Entry(Entry),
+    EntryList(Vec<Entry>),
     Invariant(InvariantEntry),
     Address { entity: InAddress },
 }
@@ -298,8 +299,19 @@ pub async fn put_object(
                             .insert_entry(entry.clone())
                             .map_err(ErrorInternalServerError)?,
                     ),
-                    entry.entity,
+                    Some(entry.entity),
                 )),
+                InEntry::EntryList(entries) => {
+                    connection
+                        .transaction::<_, anyhow::Error, _>(|| {
+                            for entry in entries {
+                                connection.insert_entry(entry)?;
+                            }
+                            Ok(())
+                        })
+                        .map_err(ErrorInternalServerError)?;
+                    Ok((None, None))
+                }
                 InEntry::Invariant(in_entry) => {
                     let invariant = Entry::try_from(&InvariantEntry {
                         attribute: in_entry.attribute,
@@ -313,7 +325,7 @@ pub async fn put_object(
                                 .insert_entry(invariant.clone())
                                 .map_err(ErrorInternalServerError)?,
                         ),
-                        invariant.entity,
+                        Some(invariant.entity),
                     ))
                 }
                 InEntry::Address { entity: in_address } => {
@@ -370,7 +382,7 @@ pub async fn put_object(
                         })
                         .map_err(ErrorInternalServerError)?;
 
-                    Ok((None, address))
+                    Ok((None, Some(address)))
                 }
             }
         }
@@ -421,7 +433,7 @@ pub async fn put_object(
                     let _ = upend_insert_val!(&connection, address, "LBL", filename);
                 }
 
-                Ok((None, address))
+                Ok((None, Some(address)))
             } else {
                 Err(anyhow!("Multipart contains no fields."))
             }
@@ -429,7 +441,7 @@ pub async fn put_object(
     }
     .map_err(ErrorInternalServerError)?;
 
-    Ok(HttpResponse::Ok().json([entry_address, Some(entity_address)]))
+    Ok(HttpResponse::Ok().json([entry_address, entity_address]))
 }
 
 #[put("/api/obj/{address}/{attribute}")]