custom_base_url/
custom_base_url.rs

1use gemini_rust::{Gemini, GenerationConfig};
2use std::env;
3
4#[tokio::main]
5async fn main() -> Result<(), Box<dyn std::error::Error>> {
6    // Get API key from environment variable
7    let api_key = env::var("GEMINI_API_KEY").expect("GEMINI_API_KEY environment variable not set");
8    // Using custom base URL
9    let custom_base_url = "https://generativelanguage.googleapis.com/v1beta/";
10    let client_custom = Gemini::with_model_and_base_url(
11        api_key,
12        "models/gemini-2.5-flash-lite-preview-06-17".to_string(),
13        custom_base_url.to_string(),
14    );
15    println!("Custom base URL client created successfully");
16    let response = client_custom
17        .generate_content()
18        .with_system_prompt("You are a helpful assistant.")
19        .with_user_message("Hello, can you tell me a joke about programming?")
20        .with_generation_config(GenerationConfig {
21            temperature: Some(0.7),
22            max_output_tokens: Some(100),
23            ..Default::default()
24        })
25        .execute()
26        .await?;
27
28    println!("Response: {}", response.text());
29
30    Ok(())
31}