Gemini API reference  |  Google AI for Developers (original) (raw)

The Gemini API lets you access the latest generative models from Google. This API reference provides detailed information for the classes and methods available in the Gemini API SDKs. Pick a language and follow the setup steps to get started building.

Install the Gemini API library

Make your first request

Use thegenerateContent method to send a request to the Gemini API.

What's next

If you're just getting started, check out the following guides, which will help you understand the Gemini API programming model:

• Gemini API quickstart
• Gemini model guide
• Prompt design

You might also want to check out the capabilities guides, which introduce different Gemini API features and provide code examples:

• Text generation
• Context caching
• Embeddings
• Tuning

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-04-28 UTC.