diff --git a/scripts/campaign.py b/scripts/campaign.py
index fc03cdf..2f35c73 100755
--- a/scripts/campaign.py
+++ b/scripts/campaign.py
@@ -16,13 +16,13 @@
 import requests
 import json
 
-from creds import COOKIE
+from creds import COOKIE, URL
 
 
 def add_campaign():
     """Add campaign"""
-    #    url = "http://localhost:7000/admin/api/v1/campaign/add"
-    url = "https://survey.mcaptcha.org/admin/api/v1/campaign/add"
+
+    url = URL
     payload = json.dumps(
         {
             "name": "test_1",
diff --git a/src/api/v1/bench.rs b/src/api/v1/bench.rs
index 0e82cce..59b4a8b 100644
--- a/src/api/v1/bench.rs
+++ b/src/api/v1/bench.rs
@@ -292,7 +292,7 @@ pub struct BenchConfig {
     pub difficulties: Vec<i32>,
 }
 
-#[my_codegen::post(
+#[my_codegen::get(
     path = "crate::V1_API_ROUTES.benches.fetch",
     wrap = "get_check_login()"
 )]
diff --git a/src/tests.rs b/src/tests.rs
index 60da5ff..4dd469a 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -249,9 +249,14 @@ pub async fn get_campaign_config(
     let route = V1_API_ROUTES
         .benches
         .fetch_routes(&campaign.campaign_id.to_string());
-    let new_resp =
-        test::call_service(&app, post_request!(&route).cookie(cookies).to_request())
-            .await;
+    let new_resp = test::call_service(
+        &app,
+        test::TestRequest::get()
+            .uri(&route)
+            .cookie(cookies)
+            .to_request(),
+    )
+    .await;
     assert_eq!(new_resp.status(), StatusCode::OK);
     test::read_body_json(new_resp).await
 }
diff --git a/templates/api/v1/routes.ts b/templates/api/v1/routes.ts
index 8789e5e..56e8c0e 100644
--- a/templates/api/v1/routes.ts
+++ b/templates/api/v1/routes.ts
@@ -18,6 +18,7 @@
 const ROUTES = {
   register: "/survey/api/v1/benches/register",
   submitBench: (key: string): string => `/survey/api/v1/benches/${key}/submit`,
+  fetchConfig: (key: string): string => `/survey/api/v1/benches/${key}/fetch`,
 };
 
 export default ROUTES;
diff --git a/templates/bench/index.ts b/templates/bench/index.ts
index b8a0d43..1d0b727 100644
--- a/templates/bench/index.ts
+++ b/templates/bench/index.ts
@@ -14,14 +14,13 @@
  * 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/>.
  */
-import { Bench, Submission, SubmissionProof } from "./types";
+import { Bench, BenchConfig, Submission, SubmissionProof } from "./types";
 import ROUTES from "../api/v1/routes";
 import genJsonPaylod from "../utils/genJsonPayload";
 import isBlankString from "../utils/isBlankString";
+import createError from "../components/error/";
 
 export const index = () => {
-  const FACTOR = 500000;
-
   const initSession = async () => {
     fetch(ROUTES.register);
   };
@@ -114,6 +113,18 @@ export const index = () => {
     s.innerHTML = "Benchmark finished";
   };
 
+  const getConfig = async (): Promise<BenchConfig> => {
+    const resp = await fetch(ROUTES.fetchConfig(CAMPAIGN_ID));
+    if (resp.status != 200) {
+      const msg = "Something went wrong while fetching survey";
+      createError(msg);
+      throw new Error(msg);
+    }
+
+    const config: BenchConfig = await resp.json();
+    return config;
+  };
+
   const run = async (e: Event) => {
     e.preventDefault();
     const deveceNameElement = <HTMLInputElement>document.getElementById("name");
@@ -128,7 +139,9 @@ export const index = () => {
     document.getElementById("pre-bench").style.display = "none";
     document.getElementById("bench").style.display = "flex";
 
-    const iterations = 9;
+    const config = await getConfig();
+
+    const iterations = config.difficulties.length;
 
     const counterElement = document.getElementById("counter");
     counterElement.innerText = `${iterations} more to go`;
@@ -144,10 +157,9 @@ export const index = () => {
       }
     };
 
-    for (let i = 1; i <= iterations; i++) {
-      const difficulty_factor = i * FACTOR;
-      worker.postMessage(difficulty_factor);
-    }
+    config.difficulties.forEach((difficulty_factor) =>
+      worker.postMessage(difficulty_factor)
+    );
 
     addDeviceInfo();
   };
diff --git a/templates/bench/types.ts b/templates/bench/types.ts
index 6ba43d5..f587d8f 100644
--- a/templates/bench/types.ts
+++ b/templates/bench/types.ts
@@ -31,3 +31,7 @@ export type SubmissionProof = {
   token: String;
   proof: String;
 };
+
+export type BenchConfig = {
+  difficulties: Array<number>;
+};