google-genai-kotlin/com.google.genai.kotlin/Client

Client

class Client : AutoCloseable

The main entry point for the Google Gen AI SDK.

Note on Mobile Security: While this SDK supports Android targets via Kotlin Multiplatform, it is intended for server-side use or secure backend environments. We strongly discourage embedding API keys or Google Cloud IAM credentials (such as Service Account JSON keys or OAuth tokens) directly into public mobile client applications without protection. For public mobile apps connecting directly from client devices, please use Firebase AI Logic with Firebase App Check enabled.

Usage:

val client = Client(apiKey = "YOUR_API_KEY")
val response = client.models.generateContent("gemini-3.5-flash", "Hello, world!")
println(response.text)
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Constructors

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constructor(apiKey: String? = null, project: String? = null, location: String? = null, credentials: GoogleCredentials? = null, enterprise: Boolean? = null, httpOptions: HttpOptions? = null)

Constructs a Client instance for either Gemini API or Gemini Enterprise Agent Platform API.

Properties

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val apiKey: String?

The API key used for authentication with Gemini API or Gemini Enterprise Agent Platform API.

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val caches: Caches

Service for interacting with Caches API.

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val enterprise: Boolean

Whether the client is configured to use Gemini Enterprise Agent Platform API.

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val location: String?

The Google Cloud location used for Gemini Enterprise Agent Platform API.

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val models: Models

Service for interacting with Models API.

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val project: String?

The Google Cloud project ID used for Gemini Enterprise Agent Platform API.

Functions

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open override fun close()

Closes the Client instance and its underlying HTTP client.