diff --git a/python_flutterwave/payment.py b/python_flutterwave/payment.py
index a3ee1d7..d821bba 100644
--- a/python_flutterwave/payment.py
+++ b/python_flutterwave/payment.py
@@ -5,10 +5,9 @@
 token = ""
 
 
-def initiate_payment(tx_ref: str, amount: float, currency: str, redirect_url: str, payment_options: str,
-                     customer_email: str, customer_phone_number: Optional[str], customer_name: str,
-                     title: Optional[str],
-                     description: Optional[str]) -> str:
+def initiate_payment(tx_ref: str, amount: float, currency: Optional[str], redirect_url: str, customer_name: str,
+                     payment_options: Optional[str], title: Optional[str], customer_email: str,
+                     customer_phone_number: Optional[str], description: Optional[str]) -> str:
     """This is used to initiate standard payments. It takes in the arguments and returns the url to redirect users for
     payments """
     payment_url = "https://api.flutterwave.com/v3/payments"
@@ -38,6 +37,7 @@ def initiate_payment(tx_ref: str, amount: float, currency: str, redirect_url: st
     return link
 
 
+# pragma: no cover
 def get_payment_details(trans_id: str) -> dict:
     """
     Takes the transaction_id from the request and returns the status info in json.
diff --git a/python_flutterwave/tests/__init__.py b/python_flutterwave/tests/__init__.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/python_flutterwave/tests/__init__.py
@@ -0,0 +1 @@
+
diff --git a/python_flutterwave/tests/test_initiate_payment.py b/python_flutterwave/tests/test_initiate_payment.py
new file mode 100644
index 0000000..8a9c112
--- /dev/null
+++ b/python_flutterwave/tests/test_initiate_payment.py
@@ -0,0 +1,52 @@
+import random
+import string
+
+from python_flutterwave import payment
+import unittest
+
+
+class TestStandardPayment(unittest.TestCase):
+
+    def setUp(self) -> None:
+        self.token = "YOUR_SECRET_KEY"
+        self.tx_ref = f"{''.join(random.choice(string.ascii_letters) for i in range(10))}"
+        self.amount = 10.0
+        self.currency = 'KES'
+        self.redirect_url = "https://example.com/"
+        self.payment_options = "mpesa"
+        self.customer_email = "johndoe@gmail.com"
+        self.customer_phone_number = "1234567890"
+        self.customer_name = "John Doe"
+        self.title = "Test Payment"
+        self.description = "Just pay me..."
+        payment.token = self.token
+        self.link = payment.initiate_payment(tx_ref=self.tx_ref, amount=self.amount, redirect_url=self.redirect_url,
+                                             payment_options=self.payment_options, customer_email=self.customer_email,
+                                             customer_phone_number=self.customer_phone_number,
+                                             customer_name=self.customer_name, title=self.title,
+                                             description=self.description, currency=self.currency)
+
+    def tearDown(self) -> None:
+        pass
+
+    def test_argument_types(self):
+        self.assertIsInstance(self.token, str)
+        self.assertIsInstance(self.tx_ref, str)
+        self.assertIsInstance(self.amount, float)
+        self.assertIsInstance(self.currency, str)
+        self.assertIsInstance(self.redirect_url, str)
+        self.assertIsInstance(self.payment_options, str)
+        self.assertIsInstance(self.customer_email, str)
+        self.assertIsInstance(self.customer_phone_number, str)
+        self.assertIsInstance(self.customer_name, str)
+        self.assertIsInstance(self.title, str)
+        self.assertIsInstance(self.description, str)
+
+    def test_mandatory_args(self):
+        self.assertIsNot(self.token, "")
+        self.assertIsNot(self.amount, "")
+        self.assertIsNot(self.customer_email, "")
+
+    def test_return_obj(self):
+        self.assertIsInstance(self.link, str)
+        self.assertIsNotNone(self.link)
diff --git a/python_flutterwave/tests/test_initiate_ussd_payment.py b/python_flutterwave/tests/test_initiate_ussd_payment.py
new file mode 100644
index 0000000..cc75bec
--- /dev/null
+++ b/python_flutterwave/tests/test_initiate_ussd_payment.py
@@ -0,0 +1,45 @@
+import unittest
+import random
+import string
+
+from python_flutterwave import payment
+
+
+class TestInitiateUSSDPayment(unittest.TestCase):
+
+    def setUp(self) -> None:
+        self.token = "YOUR_SECRET_KEY"
+        self.tx_ref = f"{''.join(random.choice(string.ascii_letters) for i in range(10))}"
+        self.amount = 10.0
+        self.account_bank = "044"
+        self.email = "johndoe@gmail.com"
+        self.phone_number = "1234567890"
+        self.full_name = "John Doe"
+        payment.token = self.token
+        self.details = payment.initiate_ussd_payment(tx_ref=self.tx_ref, amount=self.amount,
+                                                     email=self.email, phone_number=self.phone_number,
+                                                     full_name=self.full_name, account_bank=self.account_bank)
+
+    def tearDown(self) -> None:
+        pass
+
+    def test_argument_types(self):
+        self.assertIsInstance(self.token, str)
+        self.assertIsInstance(self.tx_ref, str)
+        self.assertIsInstance(self.amount, float)
+        self.assertIsInstance(self.account_bank, str)
+
+    def test_mandatory_args(self):
+        self.assertIsNot(self.token, "")
+        self.assertIsNot(self.amount, "")
+        self.assertIsNot(self.email, "")
+        self.assertIsNot(self.account_bank, "")
+        self.assertIsNot(self.phone_number, "")
+
+    def test_return_obj(self):
+        self.assertIsInstance(self.details, dict)
+        self.assertIsNotNone(self.details)
+        self.assertIn("status", self.details.keys())
+        self.assertIn("message", self.details.keys())
+        self.assertIn("data", self.details.keys())
+        self.assertIn("meta", self.details.keys())
diff --git a/python_flutterwave/tests/test_trigger_mpesa_payment.py b/python_flutterwave/tests/test_trigger_mpesa_payment.py
new file mode 100644
index 0000000..a8874c2
--- /dev/null
+++ b/python_flutterwave/tests/test_trigger_mpesa_payment.py
@@ -0,0 +1,42 @@
+import random
+import string
+import unittest
+
+from python_flutterwave import payment
+
+
+class TestTriggerMpesaPayment(unittest.TestCase):
+
+    def setUp(self) -> None:
+        self.token = "YOUR_SECRET_KEY"
+        self.tx_ref = f"{''.join(random.choice(string.ascii_letters) for i in range(10))}"
+        self.amount = 10.0
+        self.currency = 'KES'
+        self.email = "johndoe@gmail.com"
+        self.phone_number = "1234567890"
+        self.full_name = "John Doe"
+        payment.token = self.token
+        self.details = payment.trigger_mpesa_payment(tx_ref=self.tx_ref, amount=self.amount, currency=self.currency,
+                                                     email=self.email, phone_number=self.phone_number,
+                                                     full_name=self.full_name)
+
+    def tearDown(self) -> None:
+        pass
+
+    def test_argument_types(self):
+        self.assertIsInstance(self.token, str)
+        self.assertIsInstance(self.tx_ref, str)
+        self.assertIsInstance(self.amount, float)
+        self.assertIsInstance(self.currency, str)
+
+    def test_mandatory_args(self):
+        self.assertIsNot(self.token, "")
+        self.assertIsNot(self.amount, "")
+        self.assertIsNot(self.email, "")
+
+    def test_return_obj(self):
+        self.assertIsInstance(self.details, dict)
+        self.assertIsNotNone(self.details)
+        self.assertIn("status", self.details.keys())
+        self.assertIn("message", self.details.keys())
+        self.assertIn("data", self.details.keys())
diff --git a/setup.cfg b/setup.cfg
index 407b49d..f2dd4a8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = python-flutterwave
-version = 0.2.6
+version = 0.2.7
 author = William Otieno
 author_email = jimmywilliamotieno@gmail.com
 description = Python Wrapper for interacting with the Flutterwave Payments API