Do I Need an Api Key?

API keys identify an application's traffic for the API producer, in case the application developer needs to work with the API producer to debug an issue or show their application's usage. You want to control the number of calls made to your API. You want to identify usage patterns in your API's traffic.

Can I use API without key?

Most APIs require access via API keys (similar to passwords) or other methods of authentication and authorization. ... Luckily, there's APIs with zero authentication requirements. An API without a key is perfect for beginners and web developers looking to access sample data sets for their apps without restrictions.

Do I need a Google API key?

You don't need the Google Maps API key as long as you don't plan to include any special or customized maps in your website. Using the iframe version is fine for basic Maps integration.