diff --git a/src/api/admin.rs b/src/api/admin.rs
index 22e6f80b..58a056b6 100644
--- a/src/api/admin.rs
+++ b/src/api/admin.rs
@@ -364,8 +364,8 @@ async fn users_overview(_token: AdminToken, mut conn: DbConn) -> ApiResult<Html<
 async fn get_user_by_mail_json(mail: &str, _token: AdminToken, mut conn: DbConn) -> JsonResult {
     if let Some(u) = User::find_by_mail(mail, &mut conn).await {
         let mut usr = u.to_json(&mut conn).await;
-        usr["UserEnabled"] = json!(u.enabled);
-        usr["CreatedAt"] = json!(format_naive_datetime_local(&u.created_at, DT_FMT));
+        usr["userEnabled"] = json!(u.enabled);
+        usr["createdAt"] = json!(format_naive_datetime_local(&u.created_at, DT_FMT));
         Ok(Json(usr))
     } else {
         err_code!("User doesn't exist", Status::NotFound.code);
@@ -376,8 +376,8 @@ async fn get_user_by_mail_json(mail: &str, _token: AdminToken, mut conn: DbConn)
 async fn get_user_json(uuid: &str, _token: AdminToken, mut conn: DbConn) -> JsonResult {
     let u = get_user_or_404(uuid, &mut conn).await?;
     let mut usr = u.to_json(&mut conn).await;
-    usr["UserEnabled"] = json!(u.enabled);
-    usr["CreatedAt"] = json!(format_naive_datetime_local(&u.created_at, DT_FMT));
+    usr["userEnabled"] = json!(u.enabled);
+    usr["createdAt"] = json!(format_naive_datetime_local(&u.created_at, DT_FMT));
     Ok(Json(usr))
 }
 
diff --git a/src/api/core/ciphers.rs b/src/api/core/ciphers.rs
index 0884ef1f..4a6bc8b4 100644
--- a/src/api/core/ciphers.rs
+++ b/src/api/core/ciphers.rs
@@ -1336,23 +1336,38 @@ async fn delete_cipher_admin(uuid: &str, headers: Headers, mut conn: DbConn, nt:
 }
 
 #[delete("/ciphers", data = "<data>")]
-async fn delete_cipher_selected(data: Json<Value>, headers: Headers, conn: DbConn, nt: Notify<'_>) -> EmptyResult {
+async fn delete_cipher_selected(
+    data: Json<CipherIdsData>,
+    headers: Headers,
+    conn: DbConn,
+    nt: Notify<'_>,
+) -> EmptyResult {
     _delete_multiple_ciphers(data, headers, conn, false, nt).await // permanent delete
 }
 
 #[post("/ciphers/delete", data = "<data>")]
-async fn delete_cipher_selected_post(data: Json<Value>, headers: Headers, conn: DbConn, nt: Notify<'_>) -> EmptyResult {
+async fn delete_cipher_selected_post(
+    data: Json<CipherIdsData>,
+    headers: Headers,
+    conn: DbConn,
+    nt: Notify<'_>,
+) -> EmptyResult {
     _delete_multiple_ciphers(data, headers, conn, false, nt).await // permanent delete
 }
 
 #[put("/ciphers/delete", data = "<data>")]
-async fn delete_cipher_selected_put(data: Json<Value>, headers: Headers, conn: DbConn, nt: Notify<'_>) -> EmptyResult {
+async fn delete_cipher_selected_put(
+    data: Json<CipherIdsData>,
+    headers: Headers,
+    conn: DbConn,
+    nt: Notify<'_>,
+) -> EmptyResult {
     _delete_multiple_ciphers(data, headers, conn, true, nt).await // soft delete
 }
 
 #[delete("/ciphers/admin", data = "<data>")]
 async fn delete_cipher_selected_admin(
-    data: Json<Value>,
+    data: Json<CipherIdsData>,
     headers: Headers,
     conn: DbConn,
     nt: Notify<'_>,
@@ -1362,7 +1377,7 @@ async fn delete_cipher_selected_admin(
 
 #[post("/ciphers/delete-admin", data = "<data>")]
 async fn delete_cipher_selected_post_admin(
-    data: Json<Value>,
+    data: Json<CipherIdsData>,
     headers: Headers,
     conn: DbConn,
     nt: Notify<'_>,
@@ -1372,7 +1387,7 @@ async fn delete_cipher_selected_post_admin(
 
 #[put("/ciphers/delete-admin", data = "<data>")]
 async fn delete_cipher_selected_put_admin(
-    data: Json<Value>,
+    data: Json<CipherIdsData>,
     headers: Headers,
     conn: DbConn,
     nt: Notify<'_>,
@@ -1391,7 +1406,12 @@ async fn restore_cipher_put_admin(uuid: &str, headers: Headers, mut conn: DbConn
 }
 
 #[put("/ciphers/restore", data = "<data>")]
-async fn restore_cipher_selected(data: Json<Value>, headers: Headers, mut conn: DbConn, nt: Notify<'_>) -> JsonResult {
+async fn restore_cipher_selected(
+    data: Json<CipherIdsData>,
+    headers: Headers,
+    mut conn: DbConn,
+    nt: Notify<'_>,
+) -> JsonResult {
     _restore_multiple_ciphers(data, &headers, &mut conn, &nt).await
 }
 
@@ -1581,25 +1601,23 @@ async fn _delete_cipher_by_uuid(
     Ok(())
 }
 
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct CipherIdsData {
+    ids: Vec<String>,
+}
+
 async fn _delete_multiple_ciphers(
-    data: Json<Value>,
+    data: Json<CipherIdsData>,
     headers: Headers,
     mut conn: DbConn,
     soft_delete: bool,
     nt: Notify<'_>,
 ) -> EmptyResult {
-    let data: Value = data.into_inner();
-
-    let uuids = match data.get("Ids") {
-        Some(ids) => match ids.as_array() {
-            Some(ids) => ids.iter().filter_map(Value::as_str),
-            None => err!("Posted ids field is not an array"),
-        },
-        None => err!("Request missing ids field"),
-    };
+    let data = data.into_inner();
 
-    for uuid in uuids {
-        if let error @ Err(_) = _delete_cipher_by_uuid(uuid, &headers, &mut conn, soft_delete, &nt).await {
+    for uuid in data.ids {
+        if let error @ Err(_) = _delete_cipher_by_uuid(&uuid, &headers, &mut conn, soft_delete, &nt).await {
             return error;
         };
     }
@@ -1647,24 +1665,16 @@ async fn _restore_cipher_by_uuid(uuid: &str, headers: &Headers, conn: &mut DbCon
 }
 
 async fn _restore_multiple_ciphers(
-    data: Json<Value>,
+    data: Json<CipherIdsData>,
     headers: &Headers,
     conn: &mut DbConn,
     nt: &Notify<'_>,
 ) -> JsonResult {
-    let data: Value = data.into_inner();
-
-    let uuids = match data.get("Ids") {
-        Some(ids) => match ids.as_array() {
-            Some(ids) => ids.iter().filter_map(Value::as_str),
-            None => err!("Posted ids field is not an array"),
-        },
-        None => err!("Request missing ids field"),
-    };
+    let data = data.into_inner();
 
     let mut ciphers: Vec<Value> = Vec::new();
-    for uuid in uuids {
-        match _restore_cipher_by_uuid(uuid, headers, conn, nt).await {
+    for uuid in data.ids {
+        match _restore_cipher_by_uuid(&uuid, headers, conn, nt).await {
             Ok(json) => ciphers.push(json.into_inner()),
             err => return err,
         }
diff --git a/src/api/core/organizations.rs b/src/api/core/organizations.rs
index 13fc4961..204dd56f 100644
--- a/src/api/core/organizations.rs
+++ b/src/api/core/organizations.rs
@@ -2093,7 +2093,7 @@ async fn activate_organization_user(
 #[put("/organizations/<org_id>/users/activate", data = "<data>")]
 async fn bulk_activate_organization_user(
     org_id: &str,
-    data: Json<Value>,
+    data: Json<OrgBulkIds>,
     headers: AdminHeaders,
     conn: DbConn,
 ) -> Json<Value> {
@@ -2113,32 +2113,26 @@ async fn restore_organization_user(
 #[put("/organizations/<org_id>/users/restore", data = "<data>")]
 async fn bulk_restore_organization_user(
     org_id: &str,
-    data: Json<Value>,
+    data: Json<OrgBulkIds>,
     headers: AdminHeaders,
     mut conn: DbConn,
 ) -> Json<Value> {
     let data = data.into_inner();
 
     let mut bulk_response = Vec::new();
-    match data["Ids"].as_array() {
-        Some(org_users) => {
-            for org_user_id in org_users {
-                let org_user_id = org_user_id.as_str().unwrap_or_default();
-                let err_msg = match _restore_organization_user(org_id, org_user_id, &headers, &mut conn).await {
-                    Ok(_) => String::new(),
-                    Err(e) => format!("{e:?}"),
-                };
+    for org_user_id in data.ids {
+        let err_msg = match _restore_organization_user(org_id, &org_user_id, &headers, &mut conn).await {
+            Ok(_) => String::new(),
+            Err(e) => format!("{e:?}"),
+        };
 
-                bulk_response.push(json!(
-                    {
-                        "object": "OrganizationUserBulkResponseModel",
-                        "id": org_user_id,
-                        "error": err_msg
-                    }
-                ));
+        bulk_response.push(json!(
+            {
+                "object": "OrganizationUserBulkResponseModel",
+                "id": org_user_id,
+                "error": err_msg
             }
-        }
-        None => error!("No users to restore"),
+        ));
     }
 
     Json(json!({