Anyone can request for API key via Voice application anytime. You just need to follow few steps:
1. Go to Side Menu and click on Developers menu
2. Select API keys and you will be navigated to API Keys page where you may request for API keys.
3. Click on "+" New button and enter your IP Address.
4. Henceforth, you will receive your API key on your registered email address.
You will receive different API keys for different applications.