first working version

src/main.rs

@@ -1,4 +1,4 @@
-use hyper::{Body, Client, Method, Request, Response};
+use hyper::{Body, Client, Method, Request, Response, body};
 use hyper_tls::HttpsConnector;
 use serde::ser;
 
@@ -17,12 +17,13 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     let request = Request::builder()
         .method(Method::POST)
-        .uri("https://api-free.deepl.com/v2/translate")
+        .uri("https://api-free.deepl.com/v2/translate?auth_key=7e47a305-561c-0a25-1e1a-ba929d96a88c:fx")
         .header("content-type", "application/x-www-form-urlencoded")
-        .body(Body::from(r#"{"library":"hyper"}"#))?;
+        .body(Body::from(r#"auth_key=7e47a305-561c-0a25-1e1a-ba929d96a88c:fx&text=Hello, world&target_lang=DE"#))?;
 
     let res = client.request(request).await?;
-    println!("{:?}", res.serialize());
-    assert_eq!(res.status(), 200);
+    let body_bytes = body::to_bytes(res.into_body()).await?;
+    let body = String::from_utf8(body_bytes.to_vec()).expect("response was not valid utf-8");
+    println!("Body: {}", body); 
     Ok(())
 }