diff --git a/CHANGELOG.md b/CHANGELOG.md
index 33606d4..f349aa7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to this project will be documented in this file.
 
+## 1.1.0
+
+- Added headers to testing
+
 ## 1.0.0
 
 - Bumped dependencies
diff --git a/README.md b/README.md
index 53eec29..0b1ac62 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ print(LanguageEnum.EN) # Output: LanguageEnum.EN
 print(LanguageEnum.EN.value) # Output: English
 ``` 
 
-
 ## TODO
 
 - Add async support for database connection
+- Add version without postgresql dependency
diff --git a/creyPY/fastapi/testing.py b/creyPY/fastapi/testing.py
index 72b1df0..21194d1 100644
--- a/creyPY/fastapi/testing.py
+++ b/creyPY/fastapi/testing.py
@@ -6,26 +6,31 @@ from fastapi.testclient import TestClient
 class GenericClient(TestClient):
     def __init__(self, client):
         self.c = TestClient(client)
+        self.default_headers = {}
 
     def get(self, url: str, r_code: int = 200, parse_json=True):
-        re = self.c.get(url)
+        re = self.c.get(url, headers=self.default_headers)
         if re.status_code != r_code:
             print(re.content)
         assert r_code == re.status_code
         return re.json() if parse_json else re.content
 
     def delete(self, url: str, r_code: int = 204):
-        re = self.c.delete(url)
+        re = self.c.delete(url, headers=self.default_headers)
         if re.status_code != r_code:
             print(re.content)
         assert r_code == re.status_code
         return re.json() if r_code != 204 else None
 
     def post(
-        self, url: str, obj: dict = {}, r_code: int = 201, raw_response=False, *args, **kwargs
+        self, url: str, obj: dict | str = {}, r_code: int = 201, raw_response=False, *args, **kwargs
     ):
         re = self.c.post(
-            url, data=json.dumps(obj), headers={"Content-Type": "application/json"}, *args, **kwargs
+            url,
+            data=json.dumps(obj) if type(obj) == dict else obj,
+            headers=self.default_headers | {"Content-Type": "application/json"},
+            *args,
+            **kwargs,
         )
         if re.status_code != r_code:
             print(re.content)
@@ -33,28 +38,41 @@ class GenericClient(TestClient):
         return re.json() if not raw_response else re
 
     def post_file(self, url: str, file, r_code: int = 201, raw_response=False, *args, **kwargs):
-        re = self.c.post(url, files={"file": file}, *args, **kwargs)
-        if re.status_code != r_code:
-            print(re.content)
-        assert r_code == re.status_code
-        return re.json() if not raw_response else re
-
-    def patch(
-        self, url: str, obj: dict = {}, r_code: int = 200, raw_response=False, *args, **kwargs
-    ):
-        re = self.c.patch(
-            url, data=json.dumps(obj), headers={"Content-Type": "application/json"}, *args, **kwargs
+        re = self.c.post(
+            url,
+            files={"file": file},
+            headers=self.default_headers | {"Content-Type": "application/json"},
+            *args,
+            **kwargs,
         )
         if re.status_code != r_code:
             print(re.content)
         assert r_code == re.status_code
         return re.json() if not raw_response else re
 
-    def put(self, url: str, obj: dict = {}, r_code: int = 200, raw_response=False, *args, **kwargs):
+    def patch(
+        self, url: str, obj: dict | str = {}, r_code: int = 200, raw_response=False, *args, **kwargs
+    ):
+        re = self.c.patch(
+            url,
+            data=json.dumps(obj) if type(obj) == dict else obj,
+            headers=self.default_headers | {"Content-Type": "application/json"},
+            *args,
+            **kwargs,
+        )
+        if re.status_code != r_code:
+            print(re.content)
+        assert r_code == re.status_code
+        return re.json() if not raw_response else re
+
+    def put(
+        self, url: str, obj: dict | str = {}, r_code: int = 200, raw_response=False, *args, **kwargs
+    ):
         re = self.c.put(
             url,
-            data=json.dumps(obj),
-            headers={
+            data=json.dumps(obj) if type(obj) == dict else obj,
+            headers=self.default_headers
+            | {
                 "Content-Type": "application/json",
                 "accept": "application/json",
             },
@@ -66,7 +84,14 @@ class GenericClient(TestClient):
         assert r_code == re.status_code
         return re.json() if not raw_response else re
 
-    def obj_lifecycle(self, input_obj: dict, url: str, pagination: bool = True):
+    def obj_lifecycle(
+        self,
+        input_obj: dict,
+        url: str,
+        pagination: bool = True,
+        id_field: str = "id",
+        created_at_check: bool = True,
+    ):
         # GET LIST
         re = self.get(url)
         if pagination:
@@ -77,15 +102,18 @@ class GenericClient(TestClient):
 
         # CREATE
         re = self.post(url, obj=input_obj)
-        assert "id" in re
-        assert re["id"] is not None
-        assert re["created_at"] is not None
+        assert id_field in re
+        assert re[id_field] is not None
 
-        obj_id = str(re["id"])
+        if created_at_check:
+            assert "created_at" in re
+            assert re["created_at"] is not None
+
+        obj_id = str(re[id_field])
 
         # GET
         re = self.get(f"{url}{obj_id}/")
-        assert re["id"] == obj_id
+        assert re[id_field] == obj_id
 
         # GET LIST
         re = self.get(url)