diff --git a/.gitignore b/.gitignore
index 17e8b2a..6a9dd3c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
 constants.py
-assets/db_schema.sql
+assets
 /**/__pycache__
diff --git a/Pipfile b/Pipfile
deleted file mode 100644
index cfe1397..0000000
--- a/Pipfile
+++ /dev/null
@@ -1,22 +0,0 @@
-[[source]]
-name = "pypi"
-url = "https://pypi.org/simple"
-verify_ssl = true
-
-[dev-packages]
-
-[packages]
-flask = "*"
-pymysql = "*"
-flask-praetorian = "*"
-flask-sqlalchemy = "*"
-flask-migrate = "*"
-flask-marshmallow = "*"
-marshmallow = "*"
-pytest = "*"
-marshmallow-sqlalchemy = "*"
-twilio = "*"
-pytest-flask = "*"
-
-[requires]
-python_version = "3.8"
diff --git a/Pipfile.lock b/Pipfile.lock
deleted file mode 100644
index 17e551f..0000000
--- a/Pipfile.lock
+++ /dev/null
@@ -1,414 +0,0 @@
-{
-    "_meta": {
-        "hash": {
-            "sha256": "eb1b1d3ad68e400f0f9cb120594b5b710072f825f2ad49112dab55008e36ed8f"
-        },
-        "pipfile-spec": 6,
-        "requires": {
-            "python_version": "3.8"
-        },
-        "sources": [
-            {
-                "name": "pypi",
-                "url": "https://pypi.org/simple",
-                "verify_ssl": true
-            }
-        ]
-    },
-    "default": {
-        "alembic": {
-            "hashes": [
-                "sha256:035ab00497217628bf5d0be82d664d8713ab13d37b630084da8e1f98facf4dbf"
-            ],
-            "version": "==1.4.2"
-        },
-        "attrs": {
-            "hashes": [
-                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
-                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
-            ],
-            "version": "==19.3.0"
-        },
-        "blinker": {
-            "hashes": [
-                "sha256:471aee25f3992bd325afa3772f1063dbdbbca947a041b8b89466dc00d606f8b6"
-            ],
-            "version": "==1.4"
-        },
-        "certifi": {
-            "hashes": [
-                "sha256:1d987a998c75633c40847cc966fcf5904906c920a7f17ef374f5aa4282abd304",
-                "sha256:51fcb31174be6e6664c5f69e3e1691a2d72a1a12e90f872cbdb1567eb47b6519"
-            ],
-            "version": "==2020.4.5.1"
-        },
-        "chardet": {
-            "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
-            ],
-            "version": "==3.0.4"
-        },
-        "click": {
-            "hashes": [
-                "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a",
-                "sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc"
-            ],
-            "version": "==7.1.2"
-        },
-        "deprecated": {
-            "hashes": [
-                "sha256:0cf37d293a96805c6afd8b5fc525cb40f23a2cac9b2d066ac3bd4b04e72ceccc",
-                "sha256:55b41a15bda04c6a2c0d27dd4c2b7b81ffa6348c9cad8f077ac1978c59927ab9"
-            ],
-            "version": "==1.2.9"
-        },
-        "flask": {
-            "hashes": [
-                "sha256:4efa1ae2d7c9865af48986de8aeb8504bf32c7f3d6fdc9353d34b21f4b127060",
-                "sha256:8a4fdd8936eba2512e9c85df320a37e694c93945b33ef33c89946a340a238557"
-            ],
-            "index": "pypi",
-            "version": "==1.1.2"
-        },
-        "flask-buzz": {
-            "hashes": [
-                "sha256:5d1158170c62c62a55e294f531091b261e5f9b272f9e4054e497e0fb68a6cf45",
-                "sha256:bd15f6c28807cad1fa7bdfa997f6722ac234271f72a0f7976d6100d64af864b9"
-            ],
-            "version": "==0.1.15"
-        },
-        "flask-mail": {
-            "hashes": [
-                "sha256:22e5eb9a940bf407bcf30410ecc3708f3c56cc44b29c34e1726fe85006935f41"
-            ],
-            "version": "==0.9.1"
-        },
-        "flask-marshmallow": {
-            "hashes": [
-                "sha256:6e6aec171b8e092e0eafaf035ff5b8637bf3a58ab46f568c4c1bab02f2a3c196",
-                "sha256:a1685536e7ab5abdc712bbc1ac1a6b0b50951a368502f7985e7d1c27b3c21e59"
-            ],
-            "index": "pypi",
-            "version": "==0.12.0"
-        },
-        "flask-migrate": {
-            "hashes": [
-                "sha256:4dc4a5cce8cbbb06b8dc963fd86cf8136bd7d875aabe2d840302ea739b243732",
-                "sha256:a69d508c2e09d289f6e55a417b3b8c7bfe70e640f53d2d9deb0d056a384f37ee"
-            ],
-            "index": "pypi",
-            "version": "==2.5.3"
-        },
-        "flask-praetorian": {
-            "hashes": [
-                "sha256:107086455f57935432700dab2611aecdaf3825421196cf6c8e812700e43b37a3",
-                "sha256:292ff803eca223fa0e72571d95c3c93b61798b395c9c9755af7943364a04fc31"
-            ],
-            "index": "pypi",
-            "version": "==1.0.0"
-        },
-        "flask-sqlalchemy": {
-            "hashes": [
-                "sha256:0078d8663330dc05a74bc72b3b6ddc441b9a744e2f56fe60af1a5bfc81334327",
-                "sha256:6974785d913666587949f7c2946f7001e4fa2cb2d19f4e69ead02e4b8f50b33d"
-            ],
-            "index": "pypi",
-            "version": "==2.4.1"
-        },
-        "idna": {
-            "hashes": [
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-                "sha256:a068a21ceac8a4d63dbfd964670474107f541babbd2250d61922f029858365fa"
-            ],
-            "version": "==2.9"
-        },
-        "inflection": {
-            "hashes": [
-                "sha256:18ea7fb7a7d152853386523def08736aa8c32636b047ade55f7578c4edeb16ca"
-            ],
-            "version": "==0.3.1"
-        },
-        "itsdangerous": {
-            "hashes": [
-                "sha256:321b033d07f2a4136d3ec762eac9f16a10ccd60f53c0c91af90217ace7ba1f19",
-                "sha256:b12271b2047cb23eeb98c8b5622e2e5c5e9abd9784a153e9d8ef9cb4dd09d749"
-            ],
-            "version": "==1.1.0"
-        },
-        "jinja2": {
-            "hashes": [
-                "sha256:89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0",
-                "sha256:f0a4641d3cf955324a89c04f3d94663aa4d638abe8f733ecd3582848e1c37035"
-            ],
-            "version": "==2.11.2"
-        },
-        "mako": {
-            "hashes": [
-                "sha256:3139c5d64aa5d175dbafb95027057128b5fbd05a40c53999f3905ceb53366d9d",
-                "sha256:8e8b53c71c7e59f3de716b6832c4e401d903af574f6962edbbbf6ecc2a5fe6c9"
-            ],
-            "version": "==1.1.2"
-        },
-        "markupsafe": {
-            "hashes": [
-                "sha256:00bc623926325b26bb9605ae9eae8a215691f33cae5df11ca5424f06f2d1f473",
-                "sha256:09027a7803a62ca78792ad89403b1b7a73a01c8cb65909cd876f7fcebd79b161",
-                "sha256:09c4b7f37d6c648cb13f9230d847adf22f8171b1ccc4d5682398e77f40309235",
-                "sha256:1027c282dad077d0bae18be6794e6b6b8c91d58ed8a8d89a89d59693b9131db5",
-                "sha256:13d3144e1e340870b25e7b10b98d779608c02016d5184cfb9927a9f10c689f42",
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-                "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b",
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-                "sha256:ade5e387d2ad0d7ebf59146cc00c8044acbd863725f887353a10df825fc8ae21",
-                "sha256:b00c1de48212e4cc9603895652c5c410df699856a2853135b3967591e4beebc2",
-                "sha256:b1282f8c00509d99fef04d8ba936b156d419be841854fe901d8ae224c59f0be5",
-                "sha256:b2051432115498d3562c084a49bba65d97cf251f5a331c64a12ee7e04dacc51b",
-                "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6",
-                "sha256:c8716a48d94b06bb3b2524c2b77e055fb313aeb4ea620c8dd03a105574ba704f",
-                "sha256:cd5df75523866410809ca100dc9681e301e3c27567cf498077e8551b6d20e42f",
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-                "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7",
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-            "version": "==1.1.1"
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-            "index": "pypi",
-            "version": "==3.5.2"
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-        "marshmallow-sqlalchemy": {
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-            "index": "pypi",
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-            "version": "==2.1.0"
-        },
-        "pluggy": {
-            "hashes": [
-                "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0",
-                "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"
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-            "version": "==0.13.1"
-        },
-        "py": {
-            "hashes": [
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-                "sha256:c20fdd83a5dbc0af9efd622bee9a5564e278f6380fffcacc43ba6f43db2813b0"
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-            "version": "==1.8.1"
-        },
-        "py-buzz": {
-            "hashes": [
-                "sha256:07ff75c14182cb07d88372b6dc5e74e3588174189c8fd43b262317d38b8e49bd",
-                "sha256:21f72d3e160eb403dce76f9011c4614f3e0608bb7f91673e9fb7bfee7859a9a0"
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-            "version": "==1.0.3"
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-        "pyjwt": {
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-                "sha256:8d59a976fb773f3e6a39c85636357c4f0e242707394cadadd9814f5cbaa20e96"
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-            "version": "==1.7.1"
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-        "pymysql": {
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-        "pyparsing": {
-            "hashes": [
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-            "version": "==2.4.7"
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-        "pytest": {
-            "hashes": [
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-            "version": "==2.8.1"
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-        "python-editor": {
-            "hashes": [
-                "sha256:1bf6e860a8ad52a14c3ee1252d5dc25b2030618ed80c022598f00176adc8367d",
-                "sha256:51fda6bcc5ddbbb7063b2af7509e43bd84bfc32a4ff71349ec7847713882327b",
-                "sha256:5f98b069316ea1c2ed3f67e7f5df6c0d8f10b689964a4a811ff64f0106819ec8"
-            ],
-            "version": "==1.0.4"
-        },
-        "pytz": {
-            "hashes": [
-                "sha256:a494d53b6d39c3c6e44c3bec237336e14305e4f29bbf800b599253057fbb79ed",
-                "sha256:c35965d010ce31b23eeb663ed3cc8c906275d6be1a34393a1d73a41febf4a048"
-            ],
-            "version": "==2020.1"
-        },
-        "pytzdata": {
-            "hashes": [
-                "sha256:84c52b9a47d097fcd483f047a544979de6c3a86e94c845e3569e9f8acd0fa071",
-                "sha256:fac06f7cdfa903188dc4848c655e4adaee67ee0f2fe08e7daf815cf2a761ee5e"
-            ],
-            "version": "==2019.3"
-        },
-        "requests": {
-            "hashes": [
-                "sha256:43999036bfa82904b6af1d99e4882b560e5e2c68e5c4b0aa03b655f3d7d73fee",
-                "sha256:b3f43d496c6daba4493e7c431722aeb7dbc6288f52a6e04e7b6023b0247817e6"
-            ],
-            "version": "==2.23.0"
-        },
-        "six": {
-            "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
-            ],
-            "version": "==1.14.0"
-        },
-        "sqlalchemy": {
-            "hashes": [
-                "sha256:083e383a1dca8384d0ea6378bd182d83c600ed4ff4ec8247d3b2442cf70db1ad",
-                "sha256:0a690a6486658d03cc6a73536d46e796b6570ac1f8a7ec133f9e28c448b69828",
-                "sha256:114b6ace30001f056e944cebd46daef38fdb41ebb98f5e5940241a03ed6cad43",
-                "sha256:128f6179325f7597a46403dde0bf148478f868df44841348dfc8d158e00db1f9",
-                "sha256:13d48cd8b925b6893a4e59b2dfb3e59a5204fd8c98289aad353af78bd214db49",
-                "sha256:211a1ce7e825f7142121144bac76f53ac28b12172716a710f4bf3eab477e730b",
-                "sha256:2dc57ee80b76813759cccd1a7affedf9c4dbe5b065a91fb6092c9d8151d66078",
-                "sha256:3e625e283eecc15aee5b1ef77203bfb542563fa4a9aa622c7643c7b55438ff49",
-                "sha256:43078c7ec0457387c79b8d52fff90a7ad352ca4c7aa841c366238c3e2cf52fdf",
-                "sha256:5b1bf3c2c2dca738235ce08079783ef04f1a7fc5b21cf24adaae77f2da4e73c3",
-                "sha256:6056b671aeda3fc451382e52ab8a753c0d5f66ef2a5ccc8fa5ba7abd20988b4d",
-                "sha256:68d78cf4a9dfade2e6cf57c4be19f7b82ed66e67dacf93b32bb390c9bed12749",
-                "sha256:7025c639ce7e170db845e94006cf5f404e243e6fc00d6c86fa19e8ad8d411880",
-                "sha256:7224e126c00b8178dfd227bc337ba5e754b197a3867d33b9f30dc0208f773d70",
-                "sha256:7d98e0785c4cd7ae30b4a451416db71f5724a1839025544b4edbd92e00b91f0f",
-                "sha256:8d8c21e9d4efef01351bf28513648ceb988031be4159745a7ad1b3e28c8ff68a",
-                "sha256:bbb545da054e6297242a1bb1ba88e7a8ffb679f518258d66798ec712b82e4e07",
-                "sha256:d00b393f05dbd4ecd65c989b7f5a81110eae4baea7a6a4cdd94c20a908d1456e",
-                "sha256:e18752cecaef61031252ca72031d4d6247b3212ebb84748fc5d1a0d2029c23ea"
-            ],
-            "version": "==1.3.16"
-        },
-        "twilio": {
-            "hashes": [
-                "sha256:7ef6ad19251fee6a41f1184e97b4fcb62f4a8c0e6f4b78797e40e9c92aed006d"
-            ],
-            "index": "pypi",
-            "version": "==6.39.0"
-        },
-        "urllib3": {
-            "hashes": [
-                "sha256:3018294ebefce6572a474f0604c2021e33b3fd8006ecd11d62107a5d2a963527",
-                "sha256:88206b0eb87e6d677d424843ac5209e3fb9d0190d0ee169599165ec25e9d9115"
-            ],
-            "version": "==1.25.9"
-        },
-        "wcwidth": {
-            "hashes": [
-                "sha256:cafe2186b3c009a04067022ce1dcd79cb38d8d65ee4f4791b8888d6599d1bbe1",
-                "sha256:ee73862862a156bf77ff92b09034fc4825dd3af9cf81bc5b360668d425f3c5f1"
-            ],
-            "version": "==0.1.9"
-        },
-        "werkzeug": {
-            "hashes": [
-                "sha256:2de2a5db0baeae7b2d2664949077c2ac63fbd16d98da0ff71837f7d1dea3fd43",
-                "sha256:6c80b1e5ad3665290ea39320b91e1be1e0d5f60652b964a3070216de83d2e47c"
-            ],
-            "version": "==1.0.1"
-        },
-        "wrapt": {
-            "hashes": [
-                "sha256:b62ffa81fb85f4332a4f609cab4ac40709470da05643a082ec1eb88e6d9b97d7"
-            ],
-            "version": "==1.12.1"
-        }
-    },
-    "develop": {}
-}
diff --git a/app/routes.py b/app/routes.py
index 534f204..069e8f9 100644
--- a/app/routes.py
+++ b/app/routes.py
@@ -1,5 +1,5 @@
 from flask import request, jsonify, make_response
-from database.crud import insert_data, verify_otp
+from database.crud import insert_data, verify_otp, verify_login
 from app.twilio import send_otp
 from app import app
 
@@ -8,11 +8,19 @@ from app import app
 def create_user():
     data = request.get_json()
     insert_data(schema="Users", data=data)
-    # send_otp(receiver=data["mobile"])
+    send_otp(receiver=data["mobile"])
     return make_response(jsonify("User created, pending OTP verification"))
 
 
-@app.route("/verifyotp", methods=["POST"])
+@app.route("/login", methods=["POST"])
+def log_in():
+    data = request.get_json
+    if verify_login(data=data):
+        return make_response(jsonify("Successful login"))
+    return make_response(jsonify("The email/password combination is not correct"))
+
+
+@app.route("/otpVerification", methods=["POST"])
 def validate_otp():
     data = request.get_json()
     if verify_otp(mobile=data["mobile"], otp=data["otp"]):
diff --git a/database/crud.py b/database/crud.py
index 1e5cb78..ded980b 100644
--- a/database/crud.py
+++ b/database/crud.py
@@ -4,12 +4,25 @@ from app.models import *
 from app.schema import *
 from marshmallow import ValidationError
 from pydoc import locate
+from werkzeug.security import check_password_hash
+
+
+def validate_schema(schema, data):
+    schema_name = schema + "Schema"
+    validation_schema = locate("app.schema." + schema_name)
+    instance = validation_schema()
+    instance.load(data)
+
+
+def validate_json(schema, data):
+    validate_schema(schema=schema, data=data)
+    model = locate("app.models." + schema)
+    instance = model(**data)
+    return instance
 
 
 def insert_data(schema, data):
-    validate_data(schema=schema, data=data)
-    model = locate("app.models." + schema)
-    instance = model(**data)
+    instance = validate_json(schema, data)
     db.session.add(instance)
     db.session.commit()
 
@@ -24,23 +37,13 @@ def save_otp(mobile, otp):
     db.session.commit()
 
 
-def validate_data(schema, data):
-    schema_name = schema + "Schema"
-    validation_schema = locate("app.schema." + schema_name)
-    instance = validation_schema()
-    try:
-        instance.load(data)
-    except ValidationError as err:
-        print(err.messages)
-
-
 def fetch_stored_otp(mobile):
     user = db.session.query(table="Users").filter_by(mobile=mobile)
     otp = user.otp
     return otp
 
 
-def validate_account(mobile):
+def activate_account(mobile):
     timestamp = datetime.now()
     db.session.query(table="Users").filter_by(mobile=mobile).update(
         dict(otp_valid_time=timestamp)
@@ -51,6 +54,20 @@ def validate_account(mobile):
 def verify_otp(mobile, otp):
     stored_otp = fetch_stored_otp(mobile=mobile)
     if stored_otp == otp:
-        validate_account(mobile=mobile)
+        activate_account(mobile=mobile)
+        return True
+    return False
+
+
+def fetch_user(data):
+    user = db.session.query(table="Users").filter_by(email=data["email"])
+    email = user.email
+    password = user.password
+    return email, password
+
+
+def verify_login(data):
+    user, password = fetch_user(data)
+    if user == data["email"] and check_password_hash(password, data["password"]):
         return True
     return False
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..57e2cff
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,26 @@
+{ pkgs ? import <nixpkgs> { } }:
+
+with pkgs.python37Packages;
+
+pkgs.mkShell {
+  buildInputs = [
+    # Dependencies
+    flask
+    flask_sqlalchemy
+    flask_migrate
+    flask_marshmallow
+    pymysql
+    marshmallow
+    marshmallow-sqlalchemy
+    pytest
+    pytest-flask
+    twilio
+    # Development tools
+    black
+    isort
+    pyflakes
+    python-language-server
+    pyls-black
+    pyls-isort
+  ];
+}
diff --git a/tests/requests_test.py b/tests/requests_test.py
index c90d0ad..6d8cfe5 100644
--- a/tests/requests_test.py
+++ b/tests/requests_test.py
@@ -9,15 +9,27 @@ def test_registration(client):
     user = {
         "full_name": "Bilal Balaperdida",
         "email": "oyvey@hotmail.com",
-        "password": generate_password_hash(password="lifeisabitch", method="md5"),
+        "password": "lifeisabitch",
         "gender": 3,
         "mobile": "+212655778899",
         "city_id": 12,
         "user_type": 1,
         "lang_type": 1,
-        "device_id": token_hex(8),
+        "device_id": token_hex(16),
         "device_type": 1,
         "badge": 0,
     }
     response = client.post("/register", json=user)
     assert response.status == "200 OK"
+
+
+def test_login(client):
+    user = {
+        "email": "12@gmail.com",
+        "password": "odyfo2020",
+        "device_id": "fEll6hxazGQ:APA91bFpsB44ZHgjUItYOKTTmUxxkJsWiuaeojdxiTLVbz-AwN90XwLvpA6nRQoLrUYaF-HoHTz4Vc5S0VlqemerJ6MjG4zqwfNYB75whQVQI1M29yhMc3oFdl1me2zP_RY2dXbfx7UW",
+        "lang_type": 2,
+        "user_type": 1,
+    }
+    response = client.post("/login", json=user)
+    assert response.status == "200 OK"