diff --git a/migrations/20211001071311_survey_users.sql b/migrations/20211001071311_survey_users.sql
index 0bdc223..7be1d78 100644
--- a/migrations/20211001071311_survey_users.sql
+++ b/migrations/20211001071311_survey_users.sql
@@ -1,5 +1,5 @@
 CREATE TABLE IF NOT EXISTS survey_users (
     ID UUID PRIMARY KEY NOT NULL UNIQUE,
-    created_at TIMESTAMPTZ NOT NULL
-    device VARCHAR(100) NOT NULL,
+    created_at TIMESTAMPTZ NOT NULL,
+    device VARCHAR(100) NOT NULL
 )
diff --git a/migrations/20211005151526_survey_surveys.sql b/migrations/20211005151526_survey_surveys.sql
new file mode 100644
index 0000000..bbf59ae
--- /dev/null
+++ b/migrations/20211005151526_survey_surveys.sql
@@ -0,0 +1,5 @@
+CREATE TABLE IF NOT EXISTS survey_surveys (
+    ID UUID PRIMARY KEY NOT NULL UNIQUE,
+	name VARCHAR(100) NOT NULL,
+	challenges serial[] NOT NULL
+)
diff --git a/sqlx-data.json b/sqlx-data.json
new file mode 100644
index 0000000..b726be8
--- /dev/null
+++ b/sqlx-data.json
@@ -0,0 +1,23 @@
+{
+  "db": "PostgreSQL",
+  "f7c3faa9860de77ac29bb99afd4ed02112cf6c9432c094a3646fe64384f33866": {
+    "query": "SELECT challenges FROM survey_surveys WHERE id = $1",
+    "describe": {
+      "columns": [
+        {
+          "ordinal": 0,
+          "name": "challenges",
+          "type_info": "Int4Array"
+        }
+      ],
+      "parameters": {
+        "Left": [
+          "Uuid"
+        ]
+      },
+      "nullable": [
+        false
+      ]
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/api/v1/cache.rs b/src/api/v1/cache.rs
new file mode 100644
index 0000000..bd51c62
--- /dev/null
+++ b/src/api/v1/cache.rs
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2021  Aravinth Manivannan <realaravinth@batsense.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+use std::collections::HashMap;
+use std::sync::Arc;
+
+use sqlx::PgPool;
+use uuid::Uuid;
+
+#[derive(Clone, Debug)]
+pub struct ChallengeCache {
+    store: HashMap<Uuid, Arc<Vec<i32>>>,
+    db: PgPool,
+}
+
+impl ChallengeCache {
+    pub fn new(db: PgPool) -> Self {
+        let store = HashMap::default();
+        Self { db, store }
+    }
+
+    async fn get_db(&self, id: &Uuid) -> Vec<i32> {
+        struct Foo {
+            challenges: Vec<i32>,
+        }
+        let res = sqlx::query_as!(
+            Foo,
+            "SELECT challenges FROM survey_surveys WHERE id = $1",
+            &id
+        )
+        .fetch_one(&self.db)
+        .await
+        .unwrap();
+
+        res.challenges
+    }
+
+    pub async fn get(&mut self, k: &Uuid) -> Arc<Vec<i32>> {
+        match self.store.get(k) {
+            Some(val) => val.clone(),
+            None => {
+                let resp = self.get_db(k).await;
+                let resp = Arc::new(resp);
+                self.store.insert(k.clone(), resp.clone());
+                resp
+            }
+        }
+    }
+}
diff --git a/src/api/v1/mod.rs b/src/api/v1/mod.rs
index 49727a0..47f9e34 100644
--- a/src/api/v1/mod.rs
+++ b/src/api/v1/mod.rs
@@ -18,6 +18,7 @@ use actix_web::web::ServiceConfig;
 use uuid::Uuid;
 
 pub mod auth;
+pub mod cache;
 mod meta;
 pub mod routes;
 pub use routes::ROUTES;
diff --git a/src/main.rs b/src/main.rs
index 00d11b5..de27168 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -128,7 +128,7 @@ pub fn get_identity_service() -> IdentityService<CookieIdentityPolicy> {
     let cookie_secret = &SETTINGS.server.cookie_secret;
     IdentityService::new(
         CookieIdentityPolicy::new(cookie_secret.as_bytes())
-            .name("Authorization")
+            .name("survey-id")
             //TODO change cookie age
             .max_age_secs(216000)
             .domain(&SETTINGS.server.domain)