openai-api-rs/examples/openrouter.rs

use openai_api_rs::v1::api::OpenAIClient;
use openai_api_rs::v1::chat_completion::{self, ChatCompletionRequest};
use openai_api_rs::v1::common::GPT4_O_MINI;
use std::env;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let api_key = env::var("OPENROUTER_API_KEY").unwrap().to_string();
    let mut client = OpenAIClient::builder()
        .with_endpoint("https://openrouter.ai/api/v1")
        .with_api_key(api_key)
        .build()?;

    let req = ChatCompletionRequest::new(
        GPT4_O_MINI.to_string(),
        vec![chat_completion::ChatCompletionMessage {
            role: chat_completion::MessageRole::user,
            content: chat_completion::Content::Text(String::from("What is bitcoin?")),
            name: None,
            tool_calls: None,
            tool_call_id: None,
        }],
    );

    let result = client.chat_completion(req).await?;
    println!("Content: {:?}", result.choices[0].message.content);
    println!("Response Headers: {:?}", client.response_headers);

    Ok(())
}

// OPENROUTER_API_KEY=xxxx cargo run --package openai-api-rs --example openrouter