diff --git a/app/__init__.py b/app/__init__.py
index 4ab3975b8..836723c29 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -21,7 +21,6 @@ def create_app(test_config=None):
         app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get(
             "SQLALCHEMY_TEST_DATABASE_URI")
 
-    
     # import models for Alembic Setup
     from app.models.customer import Customer
     from app.models.video import Video
@@ -32,5 +31,13 @@ def create_app(test_config=None):
     migrate.init_app(app, db)
 
     #Register Blueprints Here
+    from .routes.customer_routes import customer_bp
+    app.register_blueprint(customer_bp)
+    
+    from .routes.video_routes import video_bp
+    app.register_blueprint(video_bp)
+    
+    from .routes.rental_routes import rental_bp
+    app.register_blueprint(rental_bp)
 
     return app
\ No newline at end of file
diff --git a/app/models/customer.py b/app/models/customer.py
index 54d10b49a..bdec4da20 100644
--- a/app/models/customer.py
+++ b/app/models/customer.py
@@ -1,4 +1,30 @@
 from app import db
 
 class Customer(db.Model):
-    id = db.Column(db.Integer, primary_key=True)
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    name = db.Column(db.String, nullable = False)
+    registered_at = db.Column(db.DateTime(timezone = True))
+    postal_code = db.Column(db.String, nullable = False)
+    phone = db.Column(db.String, nullable = False)
+    videos_checked_out_count = db.Column(db.Integer, default=0)
+    videos_checked_in_count = db.Column(db.Integer, default=0)
+    videos = db.relationship("Rental")
+    
+    def to_dict(self):
+        customer_as_dict = {}
+        customer_as_dict["id"] = int(self.id)
+        customer_as_dict["name"] = self.name
+        customer_as_dict["postal_code"] = self.postal_code
+        customer_as_dict["phone"] = self.phone
+        customer_as_dict["registered_at"] = self.registered_at
+        customer_as_dict["videos_checked_out_count"] = self.videos_checked_out_count
+        return customer_as_dict
+
+    @classmethod
+    def from_dict(cls, customer_data):
+        new_customer = Customer(name=customer_data["name"],
+                        postal_code=customer_data["postal_code"],
+                        phone=customer_data["phone"],
+                        videos_checked_out_count=customer_data["videos_checked_out_count"]
+                        )
+        return new_customer
diff --git a/app/models/rental.py b/app/models/rental.py
index 11009e593..d4e404bc1 100644
--- a/app/models/rental.py
+++ b/app/models/rental.py
@@ -1,4 +1,33 @@
 from app import db
+from datetime import datetime, timedelta
 
 class Rental(db.Model):
-    id = db.Column(db.Integer, primary_key=True)
\ No newline at end of file
+    #__tablename__ = 'rental_table'
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True, nullable=False)
+    due_date = db.Column(db.DateTime, default=datetime.now()+timedelta(days=7), nullable=False)
+    status = db.Column(db.String, default="Checked out", nullable=False)
+
+    customer_id = db.Column(db.Integer, db.ForeignKey('customer.id'))
+    customers = db.relationship("Customer", back_populates="videos")
+    
+    video_id = db.Column(db.Integer, db.ForeignKey('video.id'))
+    videos = db.relationship("Video", back_populates="customers")
+
+    def to_dict(self):
+        rental_as_dict = {}
+        rental_as_dict["id"] = int(self.id)
+        rental_as_dict["customer_id"] = self.customer_id
+        rental_as_dict["video_id"] = self.video_id
+        rental_as_dict["due_date"] = self.due_date 
+        
+        return rental_as_dict
+
+
+    @classmethod
+    def from_dict(cls, rental_data):
+        new_video = Rental(
+            customer_id=rental_data["customer_id"],
+            video_id=rental_data["video_id"]
+        )
+        
+        return new_video
\ No newline at end of file
diff --git a/app/models/video.py b/app/models/video.py
index db3bf3aeb..286b0f06b 100644
--- a/app/models/video.py
+++ b/app/models/video.py
@@ -1,4 +1,34 @@
 from app import db
 
+def mydefault(context):
+    return context.get_current_parameters()['total_inventory']
+
+
 class Video(db.Model):
-    id = db.Column(db.Integer, primary_key=True)
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    title = db.Column(db.String, nullable=False)
+    release_date = db.Column(db.Date, nullable=False)
+    total_inventory = db.Column(db.Integer, default=0, nullable=False)
+    available_inventory = db.Column(db.Integer, default=mydefault)
+
+    customers = db.relationship("Rental")
+    
+    def to_dict(self):
+        video_as_dict = dict()
+        video_as_dict["id"] = self.id
+        video_as_dict["title"] = self.title
+        video_as_dict["release_date"] = self.release_date
+        video_as_dict["total_inventory"] = self.total_inventory
+        video_as_dict["available_inventory"] = self.available_inventory
+        
+        return video_as_dict
+    
+    @classmethod
+    def from_dict(cls, video_data):
+        new_video = Video(
+            title=video_data["title"],
+            release_date=video_data["release_date"],
+            total_inventory = video_data["total_inventory"]
+        )
+        
+        return new_video
\ No newline at end of file
diff --git a/app/routes.py b/app/routes/__init__.py
similarity index 100%
rename from app/routes.py
rename to app/routes/__init__.py
diff --git a/app/routes/customer_routes.py b/app/routes/customer_routes.py
new file mode 100644
index 000000000..6beb7e82a
--- /dev/null
+++ b/app/routes/customer_routes.py
@@ -0,0 +1,189 @@
+from app import db
+from app.models.customer import Customer
+from app.models.video import Video
+from app.models.rental import Rental
+from .validate_routes import validate_model, validate_customer_user_input
+from flask import Blueprint, jsonify, abort, make_response, request
+from datetime import date, timedelta
+
+
+customer_bp = Blueprint("customer_bp", __name__, url_prefix = "/customers")
+
+# Get all customers info (GET /customers)
+# Return JSON list
+@customer_bp.route("", methods = ["GET"])
+def get_all_customers_with_query():
+
+    customer_query = Customer.query
+    number_of_customers = Customer.query.count()
+
+    page_query = request.args.get("page_num")
+    count_query = request.args.get("count")
+    
+    sort_query = request.args.get("sort")
+    if sort_query:
+        if sort_query == "name":
+            customer_query = customer_query.order_by(Customer.name)
+        elif sort_query == "registered_at":
+            customer_query = customer_query.order_by(Customer.registered_at)
+        elif sort_query == "postal_code":
+            customer_query = customer_query.order_by(Customer.postal_code)
+
+    if count_query and count_query.isdigit():
+        if int(count_query) > 0:
+            if page_query and page_query.isdigit():
+                if int(page_query)>0:
+                    if number_of_customers - (int(page_query)-1)*int(count_query) >= 0:
+                        customer_query = customer_query.paginate(page=int(page_query), per_page=int(count_query)).items   
+                    else: 
+                        customer_query = customer_query.limit(int(count_query))
+            else:
+                customer_query = customer_query.limit(int(count_query))
+    
+    if not page_query:
+        customers = customer_query.all()
+    else:
+        customers = customer_query
+
+    customers_list = []
+    for customer in customers:
+        customers_list.append(customer.to_dict())
+
+    return jsonify(customers_list), 200
+
+# Get the customer info by id (GET /customers/<id>)
+# Return info in JSON format
+@customer_bp.route("/<customer_id>",methods=["GET"] )
+def get_one_customer(customer_id):
+    customer = validate_model(Customer, customer_id)
+    return customer.to_dict()
+
+# Register a customer info (POST /customers)
+# Return sussess message "Customer {name} successfully registered"
+@customer_bp.route("", methods = ["POST"])
+def register_customer():
+    customer_info = request.get_json()
+    check_invalid_dict = validate_customer_user_input(customer_info)
+
+    if check_invalid_dict:
+        abort(make_response(jsonify(check_invalid_dict), 400))
+
+    customer_info["videos_checked_out_count"] = 0
+    new_customer = Customer.from_dict(customer_info)
+    
+    new_customer.registered_at = date.today()
+
+    db.session.add(new_customer)
+    db.session.commit()
+    db.session.refresh(new_customer)
+    
+    return new_customer.to_dict(), 201
+
+# Update the customer info by id (PUT /customer/<id>)
+# Return sussess message "Customer {id} info successfully udated"
+@customer_bp.route("/<customer_id>",methods=["PUT"] )
+def update_customer(customer_id):
+    customer = validate_model(Customer, customer_id)
+    request_body = request.get_json()
+    
+    check_invalid_dict = validate_customer_user_input(request_body)
+    if check_invalid_dict:
+        abort(make_response(jsonify(check_invalid_dict), 400))
+    
+    customer.name = request_body["name"]
+    customer.postal_code = request_body["postal_code"]
+    customer.phone = request_body["phone"]
+
+    db.session.commit()
+    db.session.refresh(customer)
+
+    return customer.to_dict()
+
+# Delete the customer info by id (DELETE /customer/<id>)
+# Return sussess message "Customer {id} info successfully udated"
+@customer_bp.route("/<customer_id>",methods=["DELETE"])
+def delete_customer(customer_id):
+    customer = validate_model(Customer, customer_id)
+    db.session.delete(customer)
+    db.session.commit()
+    return customer.to_dict()
+
+# Get customer rentals by customer_id (GET /customers/<id>/rentals)
+# Return list the videos a customer currently has checked out - successful
+# Return 404 if customer_id not exist (validate customer_id)
+
+@customer_bp.route("/<customer_id>/rentals",methods=["GET"])
+def get_video_rentals_for_customer_with_query(customer_id):
+    customer = validate_model(Customer, customer_id)
+    
+    rentals_query = Rental.query.all()
+    video_query = Video.query
+
+    number_of_videos = Video.query.count()
+
+    page_query = request.args.get("page_num")
+    count_query = request.args.get("count")
+    
+    sort_query = request.args.get("sort")
+    if sort_query:
+        if sort_query == "title":
+            video_query = video_query.order_by(Video.title)
+        elif sort_query == "release_date":
+            video_query = video_query.order_by(Video.release_date)
+    else:
+        video_query = video_query.order_by(Video.id)
+
+    if count_query and count_query.isdigit():
+        if int(count_query) > 0:
+            if page_query and page_query.isdigit():
+                if int(page_query)>0:
+                    if number_of_videos - (int(page_query)-1)*int(count_query) >= 0:
+                        video_query = video_query.paginate(page=int(page_query), per_page=int(count_query)).items   
+                    else: 
+                        video_query = video_query.limit(int(count_query))
+            else:
+                video_query = video_query.limit(int(count_query))
+    
+    video_list = []
+    rental_list = []
+    
+    if not page_query:
+        videos = video_query.all()
+    else:
+        videos = video_query
+
+# find all rentals of this customer
+    for rental in rentals_query:
+        if rental.customer_id == customer.id:
+            rental_list.append(rental)
+    
+    for video in videos:
+        for rental in rental_list:
+            if rental.video_id == video.id:
+                temp_dict = dict()
+                temp_dict["due_date"] = rental.due_date
+                temp_dict["title"] = video.title
+                temp_dict["release_date"] = video.release_date
+                temp_dict["id"] = video.id
+                temp_dict["total_inventory"] = video.total_inventory
+                video_list.append(temp_dict)
+
+    return jsonify(video_list), 200
+
+
+@customer_bp.route("/<customer_id>/history", methods=["GET"])
+def get_customers_rental_history(customer_id):
+    customer = validate_model(Customer, customer_id)
+    rentals_query = Rental.query.all()
+    history = list()
+    
+    for rental in rentals_query:
+        if rental.customer_id == customer.id and rental.status == "Checked in" and customer.videos_checked_in_count > 0:
+            temp_dict = dict()
+            video = validate_model(Video, rental.video_id)
+            temp_dict["title"] = video.title
+            temp_dict["due_date"] = rental.due_date
+            temp_dict["checkout_date"] = rental.due_date - timedelta(days=7)
+            history.append(temp_dict)
+    
+    return jsonify(history)
diff --git a/app/routes/rental_routes.py b/app/routes/rental_routes.py
new file mode 100644
index 000000000..11c0d59b4
--- /dev/null
+++ b/app/routes/rental_routes.py
@@ -0,0 +1,117 @@
+from app import db
+from app.models.customer import Customer
+from app.models.video import Video
+from app.models.rental import Rental
+from .validate_routes import validate_model, validate_rental_out, check_inventory, validate_rental_in, check_outstanding_videos, check_overdue
+from flask import Blueprint, jsonify, abort, make_response, request
+from datetime import datetime, timedelta
+
+
+rental_bp = Blueprint("rental_bp", __name__, url_prefix="/rentals")
+
+# GET all rentals
+@rental_bp.route("", methods=["GET"])
+def get_rentals():
+    rentals_response = []
+    rental_query = Rental.query
+    rentals = rental_query.all()
+    for rental in rentals:
+        rentals_response.append(rental.to_dict())
+    return jsonify(rentals_response)
+
+# POST /rentals/check-out
+@rental_bp.route("/check-out", methods = ["POST"])
+def create_rental_check_out():
+    request_body = request.get_json()
+    check_rental_out = validate_rental_out(request_body)
+        
+    if check_rental_out:
+        abort(make_response(jsonify(check_rental_out), 400))
+
+    customer_id = request_body["customer_id"]
+    video_id = request_body["video_id"]
+    customer = validate_model(Customer, customer_id)
+    video = validate_model(Video, video_id)
+    verify_inventory = check_inventory(video)
+    
+    if verify_inventory:
+        abort(make_response(jsonify(verify_inventory), 400))
+
+    new_rental = Rental.from_dict(request_body)
+    customer.videos_checked_out_count += 1
+    video.available_inventory -= 1
+
+    db.session.add(new_rental)
+    db.session.commit()
+    db.session.refresh(new_rental)
+    db.session.refresh(video)
+    db.session.refresh(customer)
+
+    rental_response = new_rental.to_dict()
+    rental_response["videos_checked_out_count"] = customer.videos_checked_out_count
+    rental_response["available_inventory"] = video.available_inventory
+
+    return rental_response, 200    
+
+
+# POST /rentals/check-in
+@rental_bp.route("/check-in", methods = ["POST"])
+def create_rental_check_in():
+    request_body = request.get_json()
+    
+    check_rental_in = validate_rental_in(request_body)
+    if check_rental_in:
+        abort(make_response(jsonify(check_rental_in), 400))
+    
+    customer_id = request_body["customer_id"]
+    video_id = request_body["video_id"]
+    customer = validate_model(Customer, customer_id)
+    video = validate_model(Video, video_id)
+    
+    check_outstanding = check_outstanding_videos(video, customer)
+    if check_outstanding:
+        abort(make_response(jsonify(check_outstanding), 400))
+
+    return_rental = Rental.query.filter_by(customer_id=customer_id, video_id=video_id, status="Checked out").order_by(Rental.due_date.asc()).first()
+    return_rental.status = "Checked in"
+    
+    customer.videos_checked_in_count += 1
+    customer.videos_checked_out_count -= 1
+    video.available_inventory += 1
+
+    db.session.commit()
+    db.session.refresh(return_rental)
+    db.session.refresh(video)
+    db.session.refresh(customer)
+    
+    rental_response = return_rental.to_dict()
+    rental_response["videos_checked_out_count"] = customer.videos_checked_out_count
+    rental_response["available_inventory"] = video.available_inventory
+
+    return rental_response, 200    
+
+
+# GET /rentals/overdue
+@rental_bp.route("/overdue", methods=["GET"])
+def get_all_overdue_customers():
+    rentals_query = Rental.query.all()
+    result_list = list()
+    
+    for rental in rentals_query:
+        if check_overdue(rental):
+            video = validate_model(Video, rental.video_id)
+            customer = validate_model(Customer, rental.customer_id)
+            temp_dict = dict()
+            temp_dict["video_id"] = video.id
+            temp_dict["title"] = video.title
+            temp_dict["customer_id"] = customer.id
+            temp_dict["name"] = customer.name
+            temp_dict["postal_code"] = customer.postal_code
+            temp_dict["checkout_date"] = rental.due_date - timedelta(days=7)
+            temp_dict["due_date"] = rental.due_date
+            result_list.append(temp_dict)
+    
+    return jsonify(result_list)
+
+
+
diff --git a/app/routes/validate_routes.py b/app/routes/validate_routes.py
new file mode 100644
index 000000000..150933831
--- /dev/null
+++ b/app/routes/validate_routes.py
@@ -0,0 +1,120 @@
+from flask import abort, make_response
+from app.models.video import Video
+from datetime import datetime
+
+
+# Validating the id of the customer: id needs to be int and exists the planet with the id.
+# Returning the valid class instance if valid id
+def validate_model(cls, model_id):
+    try:
+        model_id = int(model_id)
+    except:
+        abort(make_response({"message":f"{cls.__name__} {model_id} invalid"}, 400))
+
+    class_obj = cls.query.get(model_id)
+    if not class_obj:
+        abort(make_response({"message":f"{cls.__name__} {model_id} was not found"}, 404))
+
+    return class_obj
+
+# Validating the user input to create or update the customer
+# Returning the valid JSON if valid input
+def validate_customer_user_input(customer_value):
+    invalid_dict = {}
+    
+    if "name" not in customer_value \
+        or not isinstance(customer_value["name"], str) \
+        or customer_value["name"] == "":
+        invalid_dict["details"] = "Request body must include name."
+    
+    if "postal_code" not in customer_value \
+        or not isinstance(customer_value["postal_code"], str) \
+        or customer_value["postal_code"] == "":
+        invalid_dict["details"] = "Request body must include postal_code."
+    
+    if "phone" not in customer_value \
+        or not isinstance(customer_value["phone"], str) \
+        or customer_value["phone"] == "":
+        invalid_dict["details"] = "Request body must include phone."
+
+    return invalid_dict
+
+def validate_record(video):
+    invalid_dict = dict()
+    
+    if "title" not in video or not isinstance(video["title"], str) or video["title"] is None:
+        invalid_dict["details"] = "Request body must include title."
+    
+    if "release_date" not in video or not isinstance(video["release_date"], str) \
+        or video["release_date"] is None:
+        invalid_dict["details"] = "Request body must include release_date."
+    
+    if "total_inventory" not in video or not isinstance(video["total_inventory"], int) \
+        or video["total_inventory"] < 0:
+        invalid_dict["details"] = "Request body must include total_inventory."
+    
+    return invalid_dict
+
+# Validate post rentals/check_out 
+# Required Request Body Parameters: customer_id, video_id
+# Return 404: Not Found if eather not exist
+# Return 400: Bad Request if the video does not have any available 
+# inventory before check out
+def validate_rental_out(rental_out):
+    invalid_dict = dict()
+    
+    if "customer_id" not in rental_out or not isinstance(rental_out["customer_id"], int) or \
+        rental_out["customer_id"] is None:
+        invalid_dict["detail"] = "Request body must include customer_id."
+    
+    if "video_id" not in rental_out or not isinstance(rental_out["video_id"], int) or \
+        rental_out["video_id"] is None:
+        invalid_dict["detail"] = "Request body must include video_id."
+    
+    return invalid_dict
+
+
+# Validate post rentals/check_in 
+# Required Request Body Parameters: customer_id, video_id
+# Return 404: Not Found if eather not exist
+# Return 400: Bad Request if the video and customer do not match 
+# a current rental
+def validate_rental_in(rental_in):
+    invalid_dict = dict()
+    
+    if "customer_id" not in rental_in or not isinstance(rental_in["customer_id"], int) or \
+        rental_in["customer_id"] is None:
+        invalid_dict["detail"] = "Request body must include customer_id."
+    
+    if "video_id" not in rental_in or not isinstance(rental_in["video_id"], int) or \
+        rental_in["video_id"] is None:
+        invalid_dict["detail"] = "Request body must include video_id."
+    
+    return invalid_dict
+
+# Add check available_inventory function
+# require video_id parameter
+# return available numbers of copy 
+def check_inventory(video):
+    invalid_dict = dict()
+    
+    if video.available_inventory < 1:
+        invalid_dict["message"] = "Could not perform checkout"
+    return invalid_dict
+
+
+def check_outstanding_videos(video, customer):
+    invalid_dict = {"message" : f"No outstanding rentals for customer {customer.id} and video {video.id}"}
+    available_videos = Video.query.all()
+    
+    for available_video in available_videos:
+        if available_video.id == video.id and video.available_inventory < video.total_inventory:
+            invalid_dict = {}
+            break
+    
+    return invalid_dict
+
+
+# check a rental record if it is overdue
+def check_overdue(rental_record):
+    return rental_record.due_date < datetime.now()
diff --git a/app/routes/video_routes.py b/app/routes/video_routes.py
new file mode 100644
index 000000000..c32f99c42
--- /dev/null
+++ b/app/routes/video_routes.py
@@ -0,0 +1,163 @@
+from app import db
+from app.models.video import Video
+from app.models.customer import Customer
+from app.models.rental import Rental
+from .validate_routes import validate_model, validate_record
+from flask import Blueprint, jsonify, make_response, request, abort
+from datetime import timedelta
+
+video_bp = Blueprint("video", __name__, url_prefix="/videos")
+
+# GET /videos
+# The API should return an empty array and a status 200 if there are no videos.
+@video_bp.route("", methods=["GET"])
+def get_videos():
+    videos_response = []
+    video_query = Video.query
+    videos = video_query.all()
+    for video in videos:
+        videos_response.append(video.to_dict())
+    return jsonify(videos_response)
+
+# GET /vidoes/<id>
+# The API should return back detailed errors and 
+# a status 404: Not Found if this video does not exist.
+@video_bp.route("/<id>", methods=["GET"])
+def get_video_by_id(id):
+    video = validate_model(Video, id)
+    return video.to_dict()
+
+# POST /videos
+# The API should return back detailed errors and 
+# a status 400: Bad Request if the video does not have any of 
+# the required fields to be valid.
+@video_bp.route("", methods=["POST"])
+def create_video():
+    request_body = request.get_json()
+    check_invalid_record = validate_record(request_body)
+    
+    if check_invalid_record:
+        abort(make_response(jsonify(check_invalid_record), 400))
+    request_body["available_inventory"] = int(request_body["total_inventory"])
+    new_video = Video.from_dict(request_body)
+    
+    db.session.add(new_video)
+    db.session.commit()
+    db.session.refresh(new_video)
+    
+    return new_video.to_dict(), 201
+
+# PUT /videos/<id>
+# The API should return back detailed errors and 
+# a status 404: Not Found if this video does not exist.
+# The API should return back a 400 Bad Request response for 
+# missing or invalid fields in the request body.
+# For example, if total_inventory is missing or is not a number
+@video_bp.route("/<id>", methods=["PUT"])
+def update_video(id):
+    video = validate_model(Video, id)
+    request_body = request.get_json()
+    
+    check_invalid_record = validate_record(request_body)
+    if check_invalid_record:
+        return abort(make_response(jsonify(check_invalid_record), 400))
+    video.title = request_body["title"]
+    video.release_date = request_body["release_date"]
+    video.total_inventory = request_body["total_inventory"]
+
+    db.session.commit()
+    db.session.refresh(video)
+
+    return video.to_dict()
+
+# DELETE /videos/<id>
+# The API should return back detailed errors 
+# and a status 404: Not Found if this video does not exist.
+@video_bp.route("/<id>", methods=["DELETE"])
+def delete_video(id):
+    video = validate_model(Video, id)
+    db.session.delete(video)
+    db.session.commit()
+    
+    return video.to_dict()
+
+# GET /videos/<id>/rentals
+# List the customers who currently have the video checked out
+# validate video_id
+@video_bp.route("/<video_id>/rentals",methods=["GET"])
+def get_customers_who_rent_the_video_with_query(video_id):
+
+    video = validate_model(Video, video_id)
+    rentals_query = Rental.query.all()
+    customer_query = Customer.query
+
+    number_of_customers = Customer.query.count()
+
+    page_query = request.args.get("page_num")
+    count_query = request.args.get("count")
+    
+    sort_query = request.args.get("sort")
+    if sort_query:
+        if sort_query == "name":
+            customer_query = customer_query.order_by(Customer.name)
+        elif sort_query == "registered_at":
+            customer_query = customer_query.order_by(Customer.registered_at)
+        elif sort_query == "postal_code":
+            customer_query = customer_query.order_by(Customer.postal_code)
+
+    if count_query and count_query.isdigit():
+        if int(count_query) > 0:
+            if page_query and page_query.isdigit():
+                if int(page_query)>0:
+                    if number_of_customers - (int(page_query)-1)*int(count_query) >= 0:
+                        customer_query = customer_query.paginate(page=int(page_query), per_page=int(count_query)).items   
+                    else: 
+                        customer_query = customer_query.limit(int(count_query))
+            else:
+                customer_query = customer_query.limit(int(count_query))
+    
+    customer_list = []
+    rental_list = []
+    
+    # find all rentals of this video
+    for rental in rentals_query:
+        if rental.video_id == video.id:
+            rental_list.append(rental)
+
+    if not page_query:
+        customers = customer_query.all()
+    else:
+        customers = customer_query
+
+    # find all customers rented the video
+    for customer in customers:
+        for rental in rental_list:
+            if rental.customer_id == customer.id:
+                temp_dict = customer.to_dict()
+                temp_dict["due_date"] = rental.due_date
+                customer_list.append(temp_dict)
+
+    return jsonify(customer_list)
+
+
+# GET /videos/<id>/history
+@video_bp.route("/<video_id>/history", methods=["GET"])
+def get_videos_rental_history(video_id):
+    video = validate_model(Video, video_id)
+    rentals_query = Rental.query.all()
+    history = list()
+    
+    for rental in rentals_query:
+        if rental.video_id == video.id:
+            temp_dict = dict()
+            customer = validate_model(Customer, rental.customer_id)
+            temp_dict["customer_id"] = customer.id
+            temp_dict["name"] = customer.name
+            temp_dict["postal_code"] = customer.postal_code
+            temp_dict["checkout_date"] = rental.due_date - timedelta(days=7)
+            temp_dict["due_date"] = rental.due_date
+            temp_dict["status"] = rental.status
+            history.append(temp_dict)
+    
+    return jsonify(history)
+
diff --git a/customers_data.csv b/customers_data.csv
new file mode 100644
index 000000000..f734fba1b
--- /dev/null
+++ b/customers_data.csv
@@ -0,0 +1,18 @@
+{
+    "name": "Tom",
+    "postal_code": "98007",
+    "phone": "(123)456-7890",
+    "videos_checked_out_count": 0
+}
+{
+    "name": "Jack",
+    "postal_code": "86789",
+    "phone": "(123)100-7890",
+    "videos_checked_out_count": 0
+}
+{
+    "name": "Molly",
+    "postal_code": "56789",
+    "phone": "(375)456-7890",
+    "videos_checked_out_count": 0
+}
\ No newline at end of file
diff --git a/migrations/README b/migrations/README
new file mode 100644
index 000000000..98e4f9c44
--- /dev/null
+++ b/migrations/README
@@ -0,0 +1 @@
+Generic single-database configuration.
\ No newline at end of file
diff --git a/migrations/alembic.ini b/migrations/alembic.ini
new file mode 100644
index 000000000..f8ed4801f
--- /dev/null
+++ b/migrations/alembic.ini
@@ -0,0 +1,45 @@
+# A generic, single database configuration.
+
+[alembic]
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S
diff --git a/migrations/env.py b/migrations/env.py
new file mode 100644
index 000000000..8b3fb3353
--- /dev/null
+++ b/migrations/env.py
@@ -0,0 +1,96 @@
+from __future__ import with_statement
+
+import logging
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+from flask import current_app
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+logger = logging.getLogger('alembic.env')
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+config.set_main_option(
+    'sqlalchemy.url',
+    str(current_app.extensions['migrate'].db.engine.url).replace('%', '%%'))
+target_metadata = current_app.extensions['migrate'].db.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url, target_metadata=target_metadata, literal_binds=True
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+
+    # this callback is used to prevent an auto-migration from being generated
+    # when there are no changes to the schema
+    # reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
+    def process_revision_directives(context, revision, directives):
+        if getattr(config.cmd_opts, 'autogenerate', False):
+            script = directives[0]
+            if script.upgrade_ops.is_empty():
+                directives[:] = []
+                logger.info('No changes in schema detected.')
+
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix='sqlalchemy.',
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata,
+            process_revision_directives=process_revision_directives,
+            **current_app.extensions['migrate'].configure_args
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()
diff --git a/migrations/script.py.mako b/migrations/script.py.mako
new file mode 100644
index 000000000..2c0156303
--- /dev/null
+++ b/migrations/script.py.mako
@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}
diff --git a/migrations/versions/008378ca8aad_updated_rental_model_added_status_.py b/migrations/versions/008378ca8aad_updated_rental_model_added_status_.py
new file mode 100644
index 000000000..653dc1977
--- /dev/null
+++ b/migrations/versions/008378ca8aad_updated_rental_model_added_status_.py
@@ -0,0 +1,57 @@
+"""Updated Rental model. Added status attribute.
+
+Revision ID: 008378ca8aad
+Revises: 
+Create Date: 2023-01-09 11:30:48.665453
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '008378ca8aad'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('customer',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('name', sa.String(), nullable=False),
+    sa.Column('registered_at', sa.DateTime(timezone=True), nullable=True),
+    sa.Column('postal_code', sa.String(), nullable=False),
+    sa.Column('phone', sa.String(), nullable=False),
+    sa.Column('videos_checked_out_count', sa.Integer(), nullable=True),
+    sa.Column('videos_checked_in_count', sa.Integer(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('video',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('title', sa.String(), nullable=False),
+    sa.Column('release_date', sa.Date(), nullable=False),
+    sa.Column('total_inventory', sa.Integer(), nullable=False),
+    sa.Column('available_inventory', sa.Integer(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('rental',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('due_date', sa.DateTime(), nullable=False),
+    sa.Column('status', sa.String(), nullable=False),
+    sa.Column('customer_id', sa.Integer(), nullable=True),
+    sa.Column('video_id', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['customer_id'], ['customer.id'], ),
+    sa.ForeignKeyConstraint(['video_id'], ['video.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('rental')
+    op.drop_table('video')
+    op.drop_table('customer')
+    # ### end Alembic commands ###
diff --git a/requirements.txt b/requirements.txt
index 89e00b497..78e99328e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,9 +5,11 @@ blinker==1.4
 certifi==2020.12.5
 chardet==4.0.0
 click==7.1.2
+coverage==7.0.4
 Flask==1.1.2
 Flask-Migrate==2.6.0
 Flask-SQLAlchemy==2.4.4
+gunicorn==20.1.0
 idna==2.10
 iniconfig==1.1.1
 itsdangerous==1.1.0
@@ -21,6 +23,7 @@ py==1.10.0
 pycodestyle==2.6.0
 pyparsing==2.4.7
 pytest==7.1.1
+pytest-cov==4.0.0
 python-dateutil==2.8.1
 python-dotenv==0.15.0
 python-editor==1.0.4
@@ -28,5 +31,6 @@ requests==2.25.1
 six==1.15.0
 SQLAlchemy==1.3.23
 toml==0.10.2
+tomli==2.0.1
 urllib3==1.26.5
 Werkzeug==1.0.1
diff --git a/tests/conftest.py b/tests/conftest.py
index 1b985181c..be5a2dac9 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -138,21 +138,21 @@ def one_returned_video(app, client, one_customer, second_video):
     })
 
 @pytest.fixture
-def customer_one_video_three(app, client, one_customer, three_copies_video):
+def customer_one_video_three(app, client, one_customer, five_copies_video):
     response = client.post("/rentals/check-out", json={
         "customer_id": 1,
         "video_id": 1
     })
 
 @pytest.fixture
-def customer_two_video_three(app, client, second_customer, three_copies_video):
+def customer_two_video_three(app, client, second_customer, five_copies_video):
     response = client.post("/rentals/check-out", json={
         "customer_id": 2,
         "video_id": 1
     })
 
 @pytest.fixture
-def customer_three_video_three(app, client, third_customer, three_copies_video):
+def customer_three_video_three(app, client, third_customer, five_copies_video):
     response = client.post("/rentals/check-out", json={
         "customer_id": 3,
         "video_id": 1
diff --git a/tests/test_wave_01.py b/tests/test_wave_01.py
index 8d32038f2..5a99aa407 100644
--- a/tests/test_wave_01.py
+++ b/tests/test_wave_01.py
@@ -1,6 +1,7 @@
 from operator import contains
 from app.models.video import Video
 from app.models.customer import Customer
+from app.models.rental import Rental
 
 VIDEO_TITLE = "A Brand New Video"
 VIDEO_ID = 1
diff --git a/tests/test_wave_03.py b/tests/test_wave_03.py
index e26ec450c..a127b6677 100644
--- a/tests/test_wave_03.py
+++ b/tests/test_wave_03.py
@@ -107,7 +107,7 @@ def test_get_customers_sorted_by_postal_code(client, one_customer, second_custom
     assert response_body[2]["phone"] == CUSTOMER_2_PHONE
     assert response_body[2]["postal_code"] == CUSTOMER_2_POSTAL_CODE
 
-def test_paginate_per_page_greater_than_num_customers(client, one_customer):
+def test_paginate_count_greater_than_num_customers(client, one_customer):
     # Arrange
     data = {"count": 5, "page_num": 1}
 
@@ -333,7 +333,7 @@ def test_get_rentals_sorted_by_title(client, one_checked_out_video, second_check
 
 def test_get_paginate_n_greater_than_rentals(client, one_checked_out_video):
     # Arrange
-    data = {"per_page": 5, "page": 1}
+    data = {"count": 5,"page_num": 1}
 
     # Act
     response = client.get("/customers/1/rentals", query_string = data)
@@ -349,7 +349,7 @@ def test_get_paginate_n_greater_than_rentals(client, one_checked_out_video):
 
 def test_get_second_page_of_rentals(client, one_checked_out_video, second_checked_out_video):
     # Arrange
-    data = {"per_page": 1, "page": 2}
+    data = {"count": 1, "page_num": 2}
 
     # Act
     response = client.get("/customers/1/rentals", query_string = data)
@@ -365,7 +365,7 @@ def test_get_second_page_of_rentals(client, one_checked_out_video, second_checke
     
 def test_get_first_page_of_rentals_grouped_by_two(client, one_checked_out_video, second_checked_out_video, third_checked_out_video):
     # Arrange
-    data = {"per_page": 2, "page": 1}
+    data = {"count": 2, "page_num": 1}
 
     # Act
     response = client.get("/customers/1/rentals", query_string = data)
@@ -384,7 +384,7 @@ def test_get_first_page_of_rentals_grouped_by_two(client, one_checked_out_video,
 
 def test_get_second_page_of_rentals_grouped_by_two(client, one_checked_out_video, second_checked_out_video, third_checked_out_video):
     # Arrange
-    data = {"per_page": 2, "page": 2}
+    data = {"count": 2, "page_num": 2}
 
     # Act
     response = client.get("/customers/1/rentals", query_string = data)
@@ -399,7 +399,7 @@ def test_get_second_page_of_rentals_grouped_by_two(client, one_checked_out_video
 
 def test_get_rentals_no_page(client, one_checked_out_video, second_checked_out_video, third_checked_out_video):
     # Arrange
-    data = {"per_page": 2}
+    data = {"count": 2}
 
     # Act
     response = client.get("/customers/1/rentals", query_string = data)
@@ -418,7 +418,7 @@ def test_get_rentals_no_page(client, one_checked_out_video, second_checked_out_v
 
 def test_get_rentals_sorted_and_paginated(client, one_checked_out_video, second_checked_out_video, third_checked_out_video):
     # Arrange
-    data = {"per_page": 2, "sort": "title", "page": 2}
+    data = {"count": 2, "sort": "title", "page_num": 2}
 
     # Act
     response = client.get("/customers/1/rentals", query_string = data)
@@ -452,7 +452,7 @@ def test_get_rentals_invalid_sort_param(client, one_checked_out_video, second_ch
 
 def test_get_rentals_invalid_n_param(client, one_checked_out_video, second_checked_out_video):
     # Arrange
-    data = {"per_page": "invalid"}
+    data = {"count": "invalid"}
 
     # Act
     response = client.get("/customers/1/rentals", query_string = data)
@@ -471,7 +471,7 @@ def test_get_rentals_invalid_n_param(client, one_checked_out_video, second_check
 
 def test_get_rentals_invalid_p_param(client, one_checked_out_video, second_checked_out_video):
     # Arrange
-    data = {"page": "invalid"}
+    data = {"page_num": "invalid"}
 
     # Act
     response = client.get("/customers/1/rentals", query_string = data)
@@ -566,9 +566,9 @@ def test_get_renters_sorted_by_postal_code(client, customer_one_video_three, cus
     assert response_body[2]["postal_code"] == CUSTOMER_2_POSTAL_CODE
 
 
-def test_paginate_per_page_greater_than_num_renters(client, customer_one_video_three):
+def test_paginate_count_greater_than_num_renters(client, customer_one_video_three):
     # Arrange
-    data = {"per_page": 5, "page": 1}
+    data = {"count": 5, "page_num": 1}
 
     # Act
     response = client.get("/videos/1/rentals", query_string = data)
@@ -585,7 +585,7 @@ def test_paginate_per_page_greater_than_num_renters(client, customer_one_video_t
 
 def test_get_second_page_of_renters(client, customer_one_video_three, customer_two_video_three):
     # Arrange
-    data = {"per_page": 1, "page": 2}
+    data = {"count": 1, "page_num": 2}
 
     # Act
     response = client.get("/videos/1/rentals", query_string = data)
@@ -602,7 +602,7 @@ def test_get_second_page_of_renters(client, customer_one_video_three, customer_t
     
 def test_get_first_page_of_renters_grouped_by_two(client, customer_one_video_three, customer_two_video_three, customer_three_video_three):
     # Arrange
-    data = {"per_page": 2, "page": 1}
+    data = {"count": 2, "page_num": 1}
 
     # Act
     response = client.get("/videos/1/rentals", query_string = data)
@@ -623,7 +623,7 @@ def test_get_first_page_of_renters_grouped_by_two(client, customer_one_video_thr
 
 def test_get_second_page_of_renters_grouped_by_two(client, customer_one_video_three, customer_two_video_three, customer_three_video_three):
     # Arrange
-    data = {"per_page": 2, "page": 2}
+    data = {"count": 2, "page_num": 2}
 
     # Act
     response = client.get("/videos/1/rentals", query_string = data)
@@ -638,9 +638,9 @@ def test_get_second_page_of_renters_grouped_by_two(client, customer_one_video_th
     assert response_body[0]["postal_code"] == CUSTOMER_3_POSTAL_CODE
 
 
-def test_get_customers_no_page(client, customer_one_video_three, customer_two_video_three, customer_three_video_three):
+def test_get_renters_no_page(client, customer_one_video_three, customer_two_video_three, customer_three_video_three):
     # Arrange
-    data = {"per_page": 2}
+    data = {"count": 2}
 
     # Act
     response = client.get("/videos/1/rentals", query_string = data)
@@ -661,7 +661,7 @@ def test_get_customers_no_page(client, customer_one_video_three, customer_two_vi
 
 def test_get_renters_sorted_and_paginated(client, customer_one_video_three, customer_two_video_three, customer_three_video_three):
     # Arrange
-    data = {"per_page": 2, "sort": "name", "page": 1}
+    data = {"count": 2, "sort": "name", "page_num": 1}
 
     # Act
     response = client.get("/videos/1/rentals", query_string = data)
@@ -704,7 +704,7 @@ def test_get_renters_invalid_sort_param(client, customer_one_video_three, custom
 
 def test_get_renters_invalid_n_param(client, customer_one_video_three, customer_two_video_three):
     # Arrange
-    data = {"per_page": "invalid"}
+    data = {"count": "invalid"}
 
     # Act
     response = client.get("/videos/1/rentals", query_string = data)
@@ -725,7 +725,7 @@ def test_get_renters_invalid_n_param(client, customer_one_video_three, customer_
 
 def test_get_renters_invalid_p_param(client, customer_one_video_three, customer_two_video_three):
     # Arrange
-    data = {"page": "invalid"}
+    data = {"page_num": "invalid"}
 
     # Act
     response = client.get("/customers", query_string = data)
diff --git a/videos_data.csv b/videos_data.csv
new file mode 100644
index 000000000..6ed058cd9
--- /dev/null
+++ b/videos_data.csv
@@ -0,0 +1,25 @@
+{
+    "title": "2001: A Space Odyssey",
+    "release_date": "1968-11-04",
+    "total_inventory": 5
+},
+{
+    "title": "The Godfather",
+    "release_date": "1972-05-09",
+    "total_inventory": 4
+},
+{
+    "title": "Citizen Kane",
+    "release_date": "1941-09-11",
+    "total_inventory": 6
+},
+{
+    "title": "Raiders of the Lost Ark",
+    "release_date": "1981-12-24",
+    "total_inventory": 2
+},
+{
+    "title": "La Dolce Vita",
+    "release_date": "1960-10-05",
+    "total_inventory": 1
+}
\ No newline at end of file