diff --git a/src/client.rs b/src/client.rs
index 8d6942a..edf8e62 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -30,34 +30,14 @@ pub struct AuthClient {
 
 impl AuthClient {
     /// Create a new AuthClient
-    /// Will use `SUPABASE_URL` `SUPABASE_API_KEY` and `SUPABASE_JWT_SECRET` environment variables if no params are provided
-    pub fn new<S: Into<String>>(
-        project_url: Option<S>,
-        api_key: Option<S>,
-        jwt_secret: Option<S>,
-    ) -> Self {
+    pub fn new(project_url: &str, api_key: &str, jwt_secret: &str) -> Self {
         let client = Client::new();
 
-        let project_url = project_url
-            .map(Into::into)
-            .or_else(|| env::var("SUPABASE_URL").ok())
-            .unwrap_or_else(String::new);
-
-        let api_key = api_key
-            .map(Into::into)
-            .or_else(|| env::var("SUPABASE_API_KEY").ok())
-            .unwrap_or_else(String::new);
-
-        let jwt_secret = jwt_secret
-            .map(Into::into)
-            .or_else(|| env::var("SUPABASE_JWT_SECRET").ok())
-            .unwrap_or_else(String::new);
-
         AuthClient {
             client,
-            project_url,
-            api_key,
-            jwt_secret,
+            project_url: project_url.to_string(),
+            api_key: api_key.to_string(),
+            jwt_secret: jwt_secret.to_string(),
         }
     }
 
diff --git a/tests/client_tests.rs b/tests/client_tests.rs
index 9f1bccb..526f9fe 100644
--- a/tests/client_tests.rs
+++ b/tests/client_tests.rs
@@ -9,11 +9,7 @@ async fn create_client_test_valid() {
     let test_api_key = env::var("SUPABASE_API_KEY").unwrap();
     let test_jwt_secret = env::var("SUPABASE_JWT_SECRET").unwrap();
 
-    let auth_client = AuthClient::new(
-        Some(&test_project_url),
-        Some(&test_api_key),
-        Some(&test_jwt_secret),
-    );
+    let auth_client = AuthClient::new(&test_project_url, &test_api_key, &test_jwt_secret);
 
     assert!(auth_client.project_url == test_project_url)
 }
@@ -24,11 +20,7 @@ async fn sign_in_with_password_test_valid() {
     let test_api_key = env::var("SUPABASE_API_KEY").unwrap();
     let test_jwt_secret = env::var("SUPABASE_JWT_SECRET").unwrap();
 
-    let auth_client = AuthClient::new(
-        Some(&test_project_url),
-        Some(&test_api_key),
-        Some(&test_jwt_secret),
-    );
+    let auth_client = AuthClient::new(&test_project_url, &test_api_key, &test_jwt_secret);
 
     let demo_email = "demo@demo.com";
     let demo_password = "qwerqwer";
@@ -50,11 +42,7 @@ async fn sign_in_with_password_test_invalid() {
     let test_api_key = env::var("SUPABASE_API_KEY").unwrap();
     let test_jwt_secret = env::var("SUPABASE_JWT_SECRET").unwrap();
 
-    let auth_client = AuthClient::new(
-        Some(&test_project_url),
-        Some(&test_api_key),
-        Some(&test_jwt_secret),
-    );
+    let auth_client = AuthClient::new(&test_project_url, &test_api_key, &test_jwt_secret);
 
     let demo_email = "invalid@demo.com";
     let demo_password = "invalid";
@@ -76,11 +64,7 @@ async fn sign_up_with_email_test_valid() {
     let test_api_key = env::var("SUPABASE_API_KEY").unwrap();
     let test_jwt_secret = env::var("SUPABASE_JWT_SECRET").unwrap();
 
-    let auth_client = AuthClient::new(
-        Some(&test_project_url),
-        Some(&test_api_key),
-        Some(&test_jwt_secret),
-    );
+    let auth_client = AuthClient::new(&test_project_url, &test_api_key, &test_jwt_secret);
 
     let uuid = uuid::Uuid::now_v7();
 
@@ -108,11 +92,7 @@ async fn sign_up_with_phone_test_valid() {
     let test_api_key = env::var("SUPABASE_API_KEY").unwrap();
     let test_jwt_secret = env::var("SUPABASE_JWT_SECRET").unwrap();
 
-    let auth_client = AuthClient::new(
-        Some(&test_project_url),
-        Some(&test_api_key),
-        Some(&test_jwt_secret),
-    );
+    let auth_client = AuthClient::new(&test_project_url, &test_api_key, &test_jwt_secret);
 
     let demo_phone = "13334445555";
     let demo_password = "ciJUAojfZZYKfCxkiUWH";
@@ -138,11 +118,7 @@ async fn send_login_email_with_magic_link() {
     let test_api_key = env::var("SUPABASE_API_KEY").unwrap();
     let test_jwt_secret = env::var("SUPABASE_JWT_SECRET").unwrap();
 
-    let auth_client = AuthClient::new(
-        Some(&test_project_url),
-        Some(&test_api_key),
-        Some(&test_jwt_secret),
-    );
+    let auth_client = AuthClient::new(&test_project_url, &test_api_key, &test_jwt_secret);
 
     let demo_email = "demo@demo.com";
 
@@ -167,11 +143,7 @@ async fn send_sms_with_otp() {
     let test_api_key = env::var("SUPABASE_API_KEY").unwrap();
     let test_jwt_secret = env::var("SUPABASE_JWT_SECRET").unwrap();
 
-    let auth_client = AuthClient::new(
-        Some(&test_project_url),
-        Some(&test_api_key),
-        Some(&test_jwt_secret),
-    );
+    let auth_client = AuthClient::new(&test_project_url, &test_api_key, &test_jwt_secret);
 
     let demo_phone = "1333444555";
 
@@ -194,11 +166,7 @@ async fn sign_in_with_oauth_test() {
     let test_api_key = env::var("SUPABASE_API_KEY").unwrap();
     let test_jwt_secret = env::var("SUPABASE_JWT_SECRET").unwrap();
 
-    let auth_client = AuthClient::new(
-        Some(&test_project_url),
-        Some(&test_api_key),
-        Some(&test_jwt_secret),
-    );
+    let auth_client = AuthClient::new(&test_project_url, &test_api_key, &test_jwt_secret);
 
     // Must login to get a user bearer token
     let demo_email = "demo@demo.com";
@@ -234,11 +202,7 @@ async fn get_user_test() {
     let test_api_key = env::var("SUPABASE_API_KEY").unwrap();
     let test_jwt_secret = env::var("SUPABASE_JWT_SECRET").unwrap();
 
-    let auth_client = AuthClient::new(
-        Some(&test_project_url),
-        Some(&test_api_key),
-        Some(&test_jwt_secret),
-    );
+    let auth_client = AuthClient::new(&test_project_url, &test_api_key, &test_jwt_secret);
 
     // Must login to get a user bearer token
     let demo_email = "demo@demo.com";
@@ -267,11 +231,7 @@ async fn update_user_test() {
     let test_api_key = env::var("SUPABASE_API_KEY").unwrap();
     let test_jwt_secret = env::var("SUPABASE_JWT_SECRET").unwrap();
 
-    let auth_client = AuthClient::new(
-        Some(&test_project_url),
-        Some(&test_api_key),
-        Some(&test_jwt_secret),
-    );
+    let auth_client = AuthClient::new(&test_project_url, &test_api_key, &test_jwt_secret);
 
     // Must login to get a user bearer token
     let demo_email = "demo@demo.com";