API keys are unique identifiers that are passed in the request header on each call to the API. The following code snippet shows how you can validate an API key in an ASP.NET Core 7 application.

If you haven’t yet obtained a Google Gemini Pro API key you can do so here. When you use API keys in your Google Cloud Platform (GCP) applications, take care to keep them secure.

The differences between the v1 and v1beta versions of the Gemini API. v1: Stable version of the API. Features in the stable version are fully-supported over the lifetime of the major version.