diff --git a/Pipfile b/Pipfile
index 929a865..87379c5 100644
--- a/Pipfile
+++ b/Pipfile
@@ -8,6 +8,7 @@ verify_ssl = true
 [packages]
 requests = "*"
 pyinstaller = "*"
+argparse = "*"
 
 [requires]
 python_version = "3.7"
diff --git a/Pipfile.lock b/Pipfile.lock
index 1441cb1..62bab88 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "38e2af2d59158d85bb4d55eb3140a0745c9eb21635643df4b2192cdd0abc2074"
+            "sha256": "72f7b87a032a3c10cfa8b0914121403db30a4f3582386cce2f516a1b7f897b42"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -23,6 +23,14 @@
             ],
             "version": "==0.16.1"
         },
+        "argparse": {
+            "hashes": [
+                "sha256:62b089a55be1d8949cd2bc7e0df0bddb9e028faefc8c32038cc84862aefdd6e4",
+                "sha256:c31647edb69fd3d465a847ea3157d37bed1f95f19760b11a47aa91c04b666314"
+            ],
+            "index": "pypi",
+            "version": "==1.4.0"
+        },
         "certifi": {
             "hashes": [
                 "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
@@ -39,7 +47,6 @@
         },
         "future": {
             "hashes": [
-                "sha256:1d73b8a1aab19cb8c2c961ba82bf93860e1fb7d361be21e7288691c068cd3cfc",
                 "sha256:67045236dcfd6816dc439556d009594abf643e5eb48992e36beac09c2ca659b8"
             ],
             "version": "==0.17.1"
diff --git a/src/have_I_b33n_pwned.py b/src/have_I_b33n_pwned.py
index 57f6449..f928c48 100644
--- a/src/have_I_b33n_pwned.py
+++ b/src/have_I_b33n_pwned.py
@@ -28,6 +28,7 @@
 
 
 from sys import argv, stdout, exit
+from argparse import ArgumentParser
 from hashlib import sha1
 from getpass import getpass
 from requests import get
@@ -40,22 +41,57 @@ ROW   = '{:<30}{:<10}{:<45}'
 HIDDEN = False
 
 
+parser = ArgumentParser(description='Check if your email or password appears in a data leak.')
+parser.add_argument('-m', '-mail', '--mail',
+    metavar='foo@adress.bar',
+    nargs='+',
+    help='Email address which should be checked against the leak database.'
+)
+parser.add_argument('-p', '-password', '--password',
+    metavar='password',
+    nargs='+',
+    help='Password which should be checked against the leak database.'
+)
+args = parser.parse_args()
+print(args)
+    
+
+
 def header():
     print()
     print(ROW.format('password', 'leaked', 'sha1'))
     print('-' * 80)
 
 
+def prompt_password_or_mail():
+    print()
+    while True:
+        choice = input('Do you wannt to check a password [p] or an email adress [e]: ')
+        if choice == 'p':
+            prompt_password()
+        elif choice == 'e':
+            prompt_mail()
+
+
 def prompt_password():
     print()
     password = getpass('Tell me your password: ')
     global HIDDEN
     HIDDEN = True
     header()
-    query(password)
+    query_password(password)
 
 
-def query(password):
+def prompt_mail():
+    print()
+    mail = input('Tell me your mail adress: ')
+    global HIDDEN
+    HIDDEN = True
+    header()
+    query_mail(mail)
+
+
+def query_password(password):
     password_hash = sha1(password.encode('UTF-8')).hexdigest().upper()
     request = password_hash[:5]
     response = get(API + request).text
@@ -79,15 +115,22 @@ def query(password):
     stdout.write(RESET)
 
     if HIDDEN:
-        prompt_password()
+        prompt_password_or_mail()
+
+
+def query_mail(mail):
+    pass
 
 
 if __name__ == '__main__':
-    if len(argv) < 2:
-        prompt_password()
-    else:
+    if args.password:
         header()
-        for password in argv[1:]:
-            query(password)
+        for password in args.password:
+            query_password(password)
+    elif args.mail:
+        for mail in args.mail:
+            query_mail(mail)
+    else:
+        prompt_password_or_mail()
     print()
     exit(0)