diff --git a/tests/api/helpers.rs b/tests/api/helpers.rs
index dbe09a9..661824d 100644
--- a/tests/api/helpers.rs
+++ b/tests/api/helpers.rs
@@ -18,6 +18,18 @@ pub struct TestApp {
     pub db_pool: PgPool,
 }
 
+impl TestApp {
+    pub async fn post_subscriptions(&self, body: String) -> reqwest::Response {
+        reqwest::Client::new()
+            .post(&format!("{}/subscriptions", &self.address))
+            .header("Content-Type", "application/x-www-form-urlencoded")
+            .body(body)
+            .send()
+            .await
+            .expect("Failed to execute request.")
+    }
+}
+
 pub async fn spawn_app() -> TestApp {
     // Randomise configuration to ensure test isolation
     let configuration = {
diff --git a/tests/api/subscriptions.rs b/tests/api/subscriptions.rs
index 803b299..e866dc3 100644
--- a/tests/api/subscriptions.rs
+++ b/tests/api/subscriptions.rs
@@ -4,17 +4,10 @@ use crate::helpers::spawn_app;
 async fn subscribe_returns_a_200_for_valid_form_data() {
     // Arrange
     let app = spawn_app().await;
-    let client = reqwest::Client::new();
     let body = "name=le%20guin&email=ursula_le_guin%40gmail.com";
 
     // Act
-    let response = client
-        .post(&format!("{}/subscriptions", &app.address))
-        .header("Content-Type", "application/x-www-form-urlencoded")
-        .body(body)
-        .send()
-        .await
-        .expect("Failed to execute request.");
+    let response = app.post_subscriptions(body.into()).await;
 
     // Assert
     assert_eq!(200, response.status().as_u16());
@@ -32,7 +25,6 @@ async fn subscribe_returns_a_200_for_valid_form_data() {
 async fn subscribe_returns_a_400_when_data_is_missing() {
     // Arrange
     let app = spawn_app().await;
-    let client = reqwest::Client::new();
     let test_cases = vec![
         ("name=le%20guin", "missing the email"),
         ("email=ursula_le_guin%40gmail.com", "missing the name"),
@@ -41,13 +33,7 @@ async fn subscribe_returns_a_400_when_data_is_missing() {
 
     for (invalid_body, error_message) in test_cases {
         // Act
-        let response = client
-            .post(&format!("{}/subscriptions", &app.address))
-            .header("Content-Type", "application/x-www-form-urlencoded")
-            .body(invalid_body)
-            .send()
-            .await
-            .expect("Failed to execute request.");
+        let response = app.post_subscriptions(invalid_body.into()).await;
 
         // Assert
         assert_eq!(
@@ -64,7 +50,6 @@ async fn subscribe_returns_a_400_when_data_is_missing() {
 async fn subscribe_returns_a_400_when_fields_are_present_but_invalid() {
     // Arrange
     let app = spawn_app().await;
-    let client = reqwest::Client::new();
     let test_cases = vec![
         ("name=&email=ursula_le_guin%40gmail.com", "empty name"),
         ("name=Ursula&email=", "empty email"),
@@ -73,13 +58,7 @@ async fn subscribe_returns_a_400_when_fields_are_present_but_invalid() {
 
     for (body, description) in test_cases {
         // Act
-        let response = client
-            .post(&format!("{}/subscriptions", &app.address))
-            .header("Content-Type", "application/x-www-form-urlencoded")
-            .body(body)
-            .send()
-            .await
-            .expect("Failed to execute request.");
+        let response = app.post_subscriptions(body.into()).await;
 
         // Assert
         assert_eq!(