diff --git a/.gitignore b/.gitignore
index 894a44c..e1165fd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,6 +25,9 @@ wheels/
 *.egg
 MANIFEST
 
+# Kfet db
+db.json
+
 # PyInstaller
 #  Usually these files are written by a python script from a template
 #  before PyInstaller builds the exe, so as to inject date/other infos into it.
diff --git a/Kfet/__init__.py b/Kfet/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/Kfet/exceptions.py b/Kfet/exceptions.py
new file mode 100644
index 0000000..a48aa19
--- /dev/null
+++ b/Kfet/exceptions.py
@@ -0,0 +1,10 @@
+class InvalidUrl(Exception):
+    def __init__(self, expression, message):
+        self.expression = expression
+        self.message = message
+
+
+class InvalidLogin(Exception):
+    def __init__(self, expression, message):
+        self.expression = expression
+        self.message = message
diff --git a/Kfet/sync.py b/Kfet/sync.py
new file mode 100644
index 0000000..c27209d
--- /dev/null
+++ b/Kfet/sync.py
@@ -0,0 +1,100 @@
+import json
+import requests
+from Kfet.exceptions import InvalidUrl, InvalidLogin
+from os.path import isfile
+from datetime import datetime
+from dateutil.parser import parse
+
+
+class Sync:
+    def __init__(self, url, login):
+        self.url = url
+        self.login = login
+        self.token = None
+        self.auth()
+
+        if not isfile("db.json"):
+            with open("db.json", "w") as db:
+                json.dump({"users": [], "commands": []}, db)
+
+    def auth(self):
+        if self.token:
+            try:
+                if requests.get(self.url+"/users", json=self.token).status_code == 401:
+                    raise ValueError
+            except ValueError:
+                pass
+            except requests.exceptions.ConnectionError:
+                raise ConnectionError
+            else:
+                return self.token
+
+        token = None
+        try:
+            token = requests.post(self.url+"/auth", json=self.login).json()["access_token"]
+        except requests.exceptions.MissingSchema:
+            raise InvalidUrl
+        except (json.JSONDecodeError, KeyError):
+            raise InvalidLogin
+        except requests.exceptions.ConnectionError:
+            raise ConnectionError
+        self.token = {"Authorization": f"jwt {token}"}
+        return self.token
+
+    def get_data(self):
+        try:
+            users = requests.get(self.url+"/users", headers=self.auth()).json()
+            commands = requests.get(self.url+"/commands", headers=self.auth()).json()
+        except (json.JSONDecodeError, requests.exceptions.ConnectionError):
+            raise ConnectionError
+        return {"users": users, "commands": commands}
+
+    def pull_data(self):
+        remote = self.get_data()
+        with open("db.json", "r") as db:
+            local = json.load(db)
+
+        for key in remote:
+            for rdata in remote[key]:
+                found = False
+                for i, ldata in enumerate(local[key]):
+                    if rdata["id"] == ldata["id"]:
+                        found = True
+                        if parse(rdata["last_update"]) > parse(ldata["last_update"]):
+                            local[key][i] = rdata
+                        break
+                if not found:
+                    local[key].append(rdata)
+
+        with open("db.json", "w") as db:
+            json.dump(local, db)
+
+    def push_data(self):
+        remote = self.get_data()
+        with open("db.json", "r") as db:
+            local = json.load(db)
+
+        for key in remote:
+            for ldata in local[key]:
+                found = False
+                for rdata in remote[key]:
+                    if ldata["id"] == rdata["id"]:
+                        found = True
+                        if parse(ldata["last_update"]) > parse(rdata["last_update"]):
+                            requests.put(self.url+"/"+key+"/"+str(ldata["id"]), headers=self.auth(), json=ldata)
+                        break
+                if not found:
+                    requests.post(self.url+"/"+key, headers=self.auth(), json=ldata)
+        self.pull_data()
+
+
+if __name__ == "__main__":
+    s = Sync("http://127.0.0.1:5000", {"id": 1, "password": "test"})
+    s.pull_data()
+    with open("db.json", "r") as db:
+        local = json.load(db)
+    local["users"][0]["email"] = "ethanell@flifloo.fr"
+    local["users"][0]["last_update"] = str(datetime.now())
+    with open("db.json", "w") as db:
+        json.dump(local, db)
+    s.push_data()
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..a13c99b
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,21 @@
+from setuptools import setup, find_packages
+
+
+def readme():
+    with open('README.md') as f:
+        return f.read()
+
+
+setup(name="Kfet",
+      version="1.0.0",
+      description="",
+      long_description=readme(),
+      url="https://github.com/CharTero/Kfet",
+      author="flifloo",
+      author_email="flifloo@gmail.com",
+      license="MIT",
+      packages=find_packages(),
+      install_requires=[
+            "", 'requests'
+      ],
+      zip_safe=False)
\ No newline at end of file