diff --git a/.env b/.env
new file mode 100644
index 0000000..60c02f9
--- /dev/null
+++ b/.env
@@ -0,0 +1,3 @@
+SINCH_PROJECT_ID=
+SINCH_KEY_ID=
+SINCH_KEY_SECRET=
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index a3451bf..3f5ea3e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -93,7 +93,6 @@ celerybeat.pid
 *.sage.py
 
 # Environments
-.env
 .venv
 env/
 venv/
diff --git a/snippets/numbers/active_numbers/get/snippet.py b/snippets/numbers/active_numbers/get/snippet.py
index 508ce79..0dfadbe 100644
--- a/snippets/numbers/active_numbers/get/snippet.py
+++ b/snippets/numbers/active_numbers/get/snippet.py
@@ -1,12 +1,22 @@
+"""
+Sinch Python Snippet
+
+This snippet is available at https://github.com/sinch/sinch-sdk-python-snippets
+"""
+
+import os
+from dotenv import load_dotenv
 from sinch import SinchClient
 
+load_dotenv()
+
 sinch_client = SinchClient(
-    project_id="YOUR_PROJECT_ID",
-    key_id="KEY_ID",
-    key_secret="KEY_SECRET"
+    project_id=os.environ.get("SINCH_PROJECT_ID") or "MY_PROJECT_ID",
+    key_id=os.environ.get("SINCH_KEY_ID") or "MY_KEY_ID",
+    key_secret=os.environ.get("SINCH_KEY_SECRET") or "MY_KEY_SECRET"
 )
 
-phone_number = "YOUR_RENTED_PHONE_NUMBER"
+phone_number = "MY_SINCH_PHONE_NUMBER"
 response = sinch_client.numbers.get(phone_number=phone_number)
 
 print(f"Rented number details:\n{response}")
diff --git a/snippets/numbers/active_numbers/list/snippet.py b/snippets/numbers/active_numbers/list/snippet.py
index f4147e4..ca9c4e4 100644
--- a/snippets/numbers/active_numbers/list/snippet.py
+++ b/snippets/numbers/active_numbers/list/snippet.py
@@ -1,9 +1,19 @@
+"""
+Sinch Python Snippet
+
+This snippet is available at https://github.com/sinch/sinch-sdk-python-snippets
+"""
+
+import os
+from dotenv import load_dotenv
 from sinch import SinchClient
 
+load_dotenv()
+
 sinch_client = SinchClient(
-    project_id="YOUR_PROJECT_ID",
-    key_id="KEY_ID",
-    key_secret="KEY_SECRET"
+    project_id=os.environ.get("SINCH_PROJECT_ID") or "MY_PROJECT_ID",
+    key_id=os.environ.get("SINCH_KEY_ID") or "MY_KEY_ID",
+    key_secret=os.environ.get("SINCH_KEY_SECRET") or "MY_KEY_SECRET"
 )
 
 active_numbers = sinch_client.numbers.list(
diff --git a/snippets/numbers/active_numbers/list_auto/snippet.py b/snippets/numbers/active_numbers/list_auto/snippet.py
index f032804..d970739 100644
--- a/snippets/numbers/active_numbers/list_auto/snippet.py
+++ b/snippets/numbers/active_numbers/list_auto/snippet.py
@@ -1,9 +1,19 @@
+"""
+Sinch Python Snippet
+
+This snippet is available at https://github.com/sinch/sinch-sdk-python-snippets
+"""
+
+import os
+from dotenv import load_dotenv
 from sinch import SinchClient
 
+load_dotenv()
+
 sinch_client = SinchClient(
-    project_id="YOUR_PROJECT_ID",
-    key_id="KEY_ID",
-    key_secret="KEY_SECRET"
+    project_id=os.environ.get("SINCH_PROJECT_ID") or "MY_PROJECT_ID",
+    key_id=os.environ.get("SINCH_KEY_ID") or "MY_KEY_ID",
+    key_secret=os.environ.get("SINCH_KEY_SECRET") or "MY_KEY_SECRET"
 )
 
 active_numbers = sinch_client.numbers.list(
diff --git a/snippets/numbers/active_numbers/release/snippet.py b/snippets/numbers/active_numbers/release/snippet.py
index ce08632..830fc03 100644
--- a/snippets/numbers/active_numbers/release/snippet.py
+++ b/snippets/numbers/active_numbers/release/snippet.py
@@ -1,9 +1,19 @@
+"""
+Sinch Python Snippet
+
+This snippet is available at https://github.com/sinch/sinch-sdk-python-snippets
+"""
+
+import os
+from dotenv import load_dotenv
 from sinch import SinchClient
 
+load_dotenv()
+
 sinch_client = SinchClient(
-    project_id="YOUR_PROJECT_ID",
-    key_id="KEY_ID",
-    key_secret="KEY_SECRET"
+    project_id=os.environ.get("SINCH_PROJECT_ID") or "MY_PROJECT_ID",
+    key_id=os.environ.get("SINCH_KEY_ID") or "MY_KEY_ID",
+    key_secret=os.environ.get("SINCH_KEY_SECRET") or "MY_KEY_SECRET"
 )
 
 phone_number = "PHONE_NUMBER_TO_BE_RELEASED"
diff --git a/snippets/numbers/active_numbers/update/snippet.py b/snippets/numbers/active_numbers/update/snippet.py
index 13efd02..3762d5d 100644
--- a/snippets/numbers/active_numbers/update/snippet.py
+++ b/snippets/numbers/active_numbers/update/snippet.py
@@ -1,10 +1,20 @@
+"""
+Sinch Python Snippet
+
+This snippet is available at https://github.com/sinch/sinch-sdk-python-snippets
+"""
+
+import os
+from dotenv import load_dotenv
 from sinch import SinchClient
 from sinch.domains.numbers.models.v1.types import VoiceConfigurationDictType
 
+load_dotenv()
+
 sinch_client = SinchClient(
-    project_id="YOUR_PROJECT_ID",
-    key_id="KEY_ID",
-    key_secret="KEY_SECRET"
+    project_id=os.environ.get("SINCH_PROJECT_ID") or "MY_PROJECT_ID",
+    key_id=os.environ.get("SINCH_KEY_ID") or "MY_KEY_ID",
+    key_secret=os.environ.get("SINCH_KEY_SECRET") or "MY_KEY_SECRET"
 )
 
 phone_number = "PHONE_NUMBER"
diff --git a/snippets/numbers/available_numbers/check_availability/snippet.py b/snippets/numbers/available_numbers/check_availability/snippet.py
index 8c0aaae..50f623a 100644
--- a/snippets/numbers/available_numbers/check_availability/snippet.py
+++ b/snippets/numbers/available_numbers/check_availability/snippet.py
@@ -1,9 +1,19 @@
+"""
+Sinch Python Snippet
+
+This snippet is available at https://github.com/sinch/sinch-sdk-python-snippets
+"""
+
+import os
+from dotenv import load_dotenv
 from sinch import SinchClient
 
+load_dotenv()
+
 sinch_client = SinchClient(
-    project_id="YOUR_PROJECT_ID",
-    key_id="KEY_ID",
-    key_secret="KEY_SECRET"
+    project_id=os.environ.get("SINCH_PROJECT_ID") or "MY_PROJECT_ID",
+    key_id=os.environ.get("SINCH_KEY_ID") or "MY_KEY_ID",
+    key_secret=os.environ.get("SINCH_KEY_SECRET") or "MY_KEY_SECRET"
 )
 
 phone_number = "PHONE_NUMBER"
diff --git a/snippets/numbers/available_numbers/rent/snippet.py b/snippets/numbers/available_numbers/rent/snippet.py
index e08a96c..2b10ca4 100644
--- a/snippets/numbers/available_numbers/rent/snippet.py
+++ b/snippets/numbers/available_numbers/rent/snippet.py
@@ -1,10 +1,20 @@
-from sinch.domains.numbers.models.v1.types import SmsConfigurationDict
+"""
+Sinch Python Snippet
+
+This snippet is available at https://github.com/sinch/sinch-sdk-python-snippets
+"""
+
+import os
+from dotenv import load_dotenv
 from sinch import SinchClient
+from sinch.domains.numbers.models.v1.types import SmsConfigurationDict
+
+load_dotenv()
 
 sinch_client = SinchClient(
-    project_id="YOUR_PROJECT_ID",
-    key_id="KEY_ID",
-    key_secret="KEY_SECRET"
+    project_id=os.environ.get("SINCH_PROJECT_ID") or "MY_PROJECT_ID",
+    key_id=os.environ.get("SINCH_KEY_ID") or "MY_KEY_ID",
+    key_secret=os.environ.get("SINCH_KEY_SECRET") or "MY_KEY_SECRET"
 )
 
 phone_number = "AVAILABLE_PHONE_NUMBER_TO_BE_RENTED"
diff --git a/snippets/numbers/available_numbers/rent_any/snippet.py b/snippets/numbers/available_numbers/rent_any/snippet.py
index 0f5271a..3b075ce 100644
--- a/snippets/numbers/available_numbers/rent_any/snippet.py
+++ b/snippets/numbers/available_numbers/rent_any/snippet.py
@@ -1,12 +1,22 @@
+"""
+Sinch Python Snippet
+
+This snippet is available at https://github.com/sinch/sinch-sdk-python-snippets
+"""
+
+import os
+from dotenv import load_dotenv
 from sinch import SinchClient
 from sinch.domains.numbers.models.v1.types import (
     NumberPatternDict, SmsConfigurationDict, VoiceConfigurationDictType
 )
 
+load_dotenv()
+
 sinch_client = SinchClient(
-    project_id="YOUR_PROJECT_ID",
-    key_id="KEY_ID",
-    key_secret="KEY_SECRET"
+    project_id=os.environ.get("SINCH_PROJECT_ID") or "MY_PROJECT_ID",
+    key_id=os.environ.get("SINCH_KEY_ID") or "MY_KEY_ID",
+    key_secret=os.environ.get("SINCH_KEY_SECRET") or "MY_KEY_SECRET"
 )
 
 sms_configuration: SmsConfigurationDict = {
diff --git a/snippets/numbers/available_numbers/search_for_available_numbers/snippet.py b/snippets/numbers/available_numbers/search_for_available_numbers/snippet.py
index 32d08a4..980bb25 100644
--- a/snippets/numbers/available_numbers/search_for_available_numbers/snippet.py
+++ b/snippets/numbers/available_numbers/search_for_available_numbers/snippet.py
@@ -1,9 +1,19 @@
+"""
+Sinch Python Snippet
+
+This snippet is available at https://github.com/sinch/sinch-sdk-python-snippets
+"""
+
+import os
+from dotenv import load_dotenv
 from sinch import SinchClient
 
+load_dotenv()
+
 sinch_client = SinchClient(
-    project_id="YOUR_PROJECT_ID",
-    key_id="KEY_ID",
-    key_secret="KEY_SECRET"
+    project_id=os.environ.get("SINCH_PROJECT_ID") or "MY_PROJECT_ID",
+    key_id=os.environ.get("SINCH_KEY_ID") or "MY_KEY_ID",
+    key_secret=os.environ.get("SINCH_KEY_SECRET") or "MY_KEY_SECRET"
 )
 
 available_numbers = sinch_client.numbers.search_for_available_numbers(
diff --git a/snippets/numbers/available_regions/list/snippet.py b/snippets/numbers/available_regions/list/snippet.py
index 688c7a3..dee2ca8 100644
--- a/snippets/numbers/available_regions/list/snippet.py
+++ b/snippets/numbers/available_regions/list/snippet.py
@@ -1,9 +1,19 @@
+"""
+Sinch Python Snippet
+
+This snippet is available at https://github.com/sinch/sinch-sdk-python-snippets
+"""
+
+import os
+from dotenv import load_dotenv
 from sinch import SinchClient
 
+load_dotenv()
+
 sinch_client = SinchClient(
-    project_id="YOUR_PROJECT_ID",
-    key_id="KEY_ID",
-    key_secret="KEY_SECRET"
+    project_id=os.environ.get("SINCH_PROJECT_ID") or "MY_PROJECT_ID",
+    key_id=os.environ.get("SINCH_KEY_ID") or "MY_KEY_ID",
+    key_secret=os.environ.get("SINCH_KEY_SECRET") or "MY_KEY_SECRET"
 )
 
 available_regions = sinch_client.numbers.regions.list(
diff --git a/snippets/numbers/callback_configuration/get/snippet.py b/snippets/numbers/callback_configuration/get/snippet.py
index 305a176..4592ad6 100644
--- a/snippets/numbers/callback_configuration/get/snippet.py
+++ b/snippets/numbers/callback_configuration/get/snippet.py
@@ -1,9 +1,19 @@
+"""
+Sinch Python Snippet
+
+This snippet is available at https://github.com/sinch/sinch-sdk-python-snippets
+"""
+
+import os
+from dotenv import load_dotenv
 from sinch import SinchClient
 
+load_dotenv()
+
 sinch_client = SinchClient(
-    project_id="YOUR_PROJECT_ID",
-    key_id="KEY_ID",
-    key_secret="KEY_SECRET"
+    project_id=os.environ.get("SINCH_PROJECT_ID") or "MY_PROJECT_ID",
+    key_id=os.environ.get("SINCH_KEY_ID") or "MY_KEY_ID",
+    key_secret=os.environ.get("SINCH_KEY_SECRET") or "MY_KEY_SECRET"
 )
 
 response = sinch_client.numbers.callback_configuration.get()
diff --git a/snippets/numbers/callback_configuration/update/snippet.py b/snippets/numbers/callback_configuration/update/snippet.py
index 2a45661..efe9bb1 100644
--- a/snippets/numbers/callback_configuration/update/snippet.py
+++ b/snippets/numbers/callback_configuration/update/snippet.py
@@ -1,9 +1,19 @@
+"""
+Sinch Python Snippet
+
+This snippet is available at https://github.com/sinch/sinch-sdk-python-snippets
+"""
+
+import os
+from dotenv import load_dotenv
 from sinch import SinchClient
 
+load_dotenv()
+
 sinch_client = SinchClient(
-    project_id="YOUR_PROJECT_ID",
-    key_id="KEY_ID",
-    key_secret="KEY_SECRET"
+    project_id=os.environ.get("SINCH_PROJECT_ID") or "MY_PROJECT_ID",
+    key_id=os.environ.get("SINCH_KEY_ID") or "MY_KEY_ID",
+    key_secret=os.environ.get("SINCH_KEY_SECRET") or "MY_KEY_SECRET"
 )
 
 hmac_secret = "NEW_HMAC_SECRET"