diff --git a/.gitignore b/.gitignore
index bc9ed87..b90ffc5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,11 @@
-.env
-*.lock
+# Composer
 vendor/
+*.phar
+*.lock
+
+# Jetbrains Idea
 *.old
 .idea/
-*.phar
+
+# Environment files
+.env/*.*
\ No newline at end of file
diff --git a/README.md b/README.md
index 5aa7753..7a39c2c 100644
--- a/README.md
+++ b/README.md
@@ -138,6 +138,8 @@ print $response->body();
 
 - [Example Code](https://github.com/sendgrid/php-http-client/tree/master/examples)
 
+You can use the ```.env_example``` file located at "examples" folder. Just copy it to a ```.env``` folder ou can put on your project's root.
+
 <a name="roadmap"></a>
 # Roadmap
 
diff --git a/examples/.env_sample b/examples/.env_sample
new file mode 100644
index 0000000..30857f4
--- /dev/null
+++ b/examples/.env_sample
@@ -0,0 +1 @@
+export SENDGRID_API_KEY=''
\ No newline at end of file