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docs/source/api_key.rst

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+Api Key Configuration
+=============
+
+You can configure api_key and proxies for your application by defining them in a `.env` file. The script will load your proxies from this file if it is available.
+
+Creating a `.env` File
+=============
+
+Create a `.env` file in the root directory of your project and define your proxies as shown below:
+
+
+.. code-block:: bash 
+
+    # Example .env file content
+    EVDS_API_KEY=AxByCzDsFoGmHeIgJaKrLbMaNgOe
+
+
+If you run your code behind proxy you may set your proxy addres in .env file 
+
+.. code-block:: bash 
+
+    # Example .env file content
+    EVDS_API_KEY=AxByCzDsFoGmHeIgJaKrLbMaNgOe
+    
+    http_proxy=http://proxy.example.com:80
+    https_proxy=http://proxy.example.com:80
+    
+
+Replace `http://proxy.example.com:80` with the actual URL and port of your proxy server.
+
+Setting Environment Variables
+=============
+
+Windows
+----------
+
+To set environment variables on Windows, you can use the `setx` command in the Command Prompt:
+
+.. code-block:: bash
+  
+    setx EVDS_API_KEY "AxByCzDsFoGmHeIgJaKrLbMaNgOe"
+    setx http_proxy "http://proxy.example.com:80"  
+    setx https_proxy "http://proxy.example.com:80"
+
+
+
+Linux and macOS
+----------
+To set environment variables on Linux or macOS, you can use the `export` command in the terminal:
+
+.. code-block:: bash
+
+    export EVDS_API_KEY="AxByCzDsFoGmHeIgJaKrLbMaNgOe"
+    export http_proxy="http://proxy.example.com:80"
+    export https_proxy="http://proxy.example.com:80"
+
+You can add these lines to your shell configuration file (e.g., `.bashrc`, `.bash_profile`, `.zshrc`) to make them persistent.
+
+Notes
+----------
+
+- Replace `http://proxy.example.com:80` with the actual URL and port of your proxy server.
+- For the API key and proxy settings to take effect, you might need to restart your terminal or Command Prompt session.