use onspring::OnspringClient; #[tokio::main] async fn main() -> onspring::Result<()> { let base_url = std::env::var("API_BASE_URL").expect("API_BASE_URL is required"); let api_key = std::env::var("SANDBOX_API_KEY").expect("SANDBOX_API_KEY is required"); let client = OnspringClient::builder(&api_key) .base_url(&base_url) .build(); client.ping().await?; println!("Connected to the Onspring API successfully."); Ok(()) }