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
Using Python 3.9+, install the
google-genai package
using the following pip command:
pip install -q -U google-genai
Make your first request
Use the
generateContent method
to send a request to the Gemini API.
from google import genai
client = genai.Client(api_key="YOUR_API_KEY")
response = client.models.generate_content(
model="gemini-2.0-flash", contents="Explain how AI works"
)
print(response.text)
What's next
If you're just getting started, check out the following guides, which will help you understand the Gemini API programming model:
You might also want to check out the capabilities guides, which introduce different Gemini API features and provide code examples: