diff --git a/Cargo.toml b/Cargo.toml
index cf6ff60..7f6d6e8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,5 +7,9 @@ edition = "2021"
 
 [dependencies]
 bytes = "1.4.0"
-reqwest = { version = "0.11.16", features = ["json"] }
+reqwest = { version = "0.11.16", default-features = false, features = ["json", "rustls"] }
 serde = { version = "1.0.159", features = ["derive"] }
+serde_json = "1.0.95"
+
+[dev-dependencies]
+tokio = { version = "1.27.0", features = ["full"] }
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..ce93d93
--- /dev/null
+++ b/README.md
@@ -0,0 +1,18 @@
+# Rust
+
+## Example
+```rust
+use voicevox_client::Client;
+
+
+#[tokio::main]
+async fn main() {
+    let client = Client::new("http://localhost:50021".to_string());
+    let audio_query = client.create_audio_query("hello", 1)
+        .await
+        .unwrap();
+    let bytes = audio_query.synthesis(1)
+        .await
+        .unwrap();
+}
+```
\ No newline at end of file
diff --git a/examples/basic.rs b/examples/basic.rs
new file mode 100644
index 0000000..607eea3
--- /dev/null
+++ b/examples/basic.rs
@@ -0,0 +1,12 @@
+use voicevox_client::Client;
+
+#[tokio::main]
+async fn main() {
+    let client = Client::new("http://localhost:50021".to_string());
+    let audio_query = client
+        .create_audio_query("こんにちは", 1, None)
+        .await
+        .unwrap();
+    let audio = audio_query.synthesis(1).await.unwrap();
+    println!("audio: {:?}", audio);
+}
\ No newline at end of file
diff --git a/src/audio_query.rs b/src/audio_query.rs
index 0f43b7e..2cfb42b 100644
--- a/src/audio_query.rs
+++ b/src/audio_query.rs
@@ -16,7 +16,10 @@ impl AudioQuery {
     }
 
     pub async fn synthesis(&self, speaker: i32) -> Result<Bytes> {
-        let data = self.restapi.synthesis(&self.audio_query, speaker.to_string().as_str()).await?;
+        let data = self
+            .restapi
+            .synthesis(&self.audio_query, speaker.to_string().as_str())
+            .await?;
         Ok(data)
     }
 }
diff --git a/src/client.rs b/src/client.rs
index 2f805fd..fcdc918 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -14,10 +14,14 @@ impl Client {
 
     pub async fn create_audio_query(
         &self,
-        text: &str, speaker: i32,
+        text: &str,
+        speaker: i32,
         core_version: Option<&str>,
     ) -> Result<AudioQuery> {
-        let data: AudioQueryType = self.restapi.create_audio_query(text, speaker, core_version).await?;
+        let data: AudioQueryType = self
+            .restapi
+            .create_audio_query(text, speaker.to_string().as_str(), core_version)
+            .await?;
         let audio_query = AudioQuery::new(self.restapi.clone(), data);
         Ok(audio_query)
     }
diff --git a/src/lib.rs b/src/lib.rs
index c0e78cf..beb0d0d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,20 +3,4 @@ mod client;
 mod restapi;
 mod types;
 
-pub use client::Client;
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn it_works() {
-        let client = Client::new("http://localhost:50021");
-        let audio_query = client.create_audio_query("こんにちは", 1)
-            .await
-            .unwrap();
-        audio_query.synthesis(1)
-            .await
-            .unwrap();
-    }
-}
+pub use client::Client;
\ No newline at end of file
diff --git a/src/restapi.rs b/src/restapi.rs
index b003567..0cb3335 100644
--- a/src/restapi.rs
+++ b/src/restapi.rs
@@ -25,7 +25,8 @@ impl RestAPI {
 
     pub async fn create_audio_query(
         &self,
-        text: &str, speaker: &str,
+        text: &str,
+        speaker: &str,
         core_version: Option<&str>,
     ) -> Result<AudioQueryType> {
         let mut params = vec![("text", text), ("speaker", speaker)];
@@ -42,7 +43,7 @@ impl RestAPI {
         Ok(data)
     }
 
-    pub async fn synthesis(&self, audio_query: &AudioQueryType, speaker: i32) -> Result<Bytes> {
+    pub async fn synthesis(&self, audio_query: &AudioQueryType, speaker: &str) -> Result<Bytes> {
         let data = self
             .request("POST", "/synthesis")
             .json(audio_query)
diff --git a/src/types/audio_query.rs b/src/types/audio_query.rs
index 954303d..ae62869 100644
--- a/src/types/audio_query.rs
+++ b/src/types/audio_query.rs
@@ -1,22 +1,46 @@
 use serde::{Deserialize, Serialize};
 
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Mora {
+    text: String,
+    #[serde(default)]
+    consonant: String,
+    #[serde(default)]
+    consonant_length: f32,
+    vowel: String,
+    vowel_length: f32,
+    pitch: f32,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct AccentPhrase {
+    // moras: Vec<Mora>,
+    accent: i32,
+    // pause_mora: Mora,
+    /*
+    #[serde(default)]
+    is_interrogative: bool,
+    */
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 pub struct AudioQueryType {
+    accent_phrases: Vec<AccentPhrase>,
     #[serde(rename = "speedScale")]
-    speed_scale: i32,
+    speed_scale: f32,
     #[serde(rename = "pitchScale")]
-    pitch_scale: i32,
+    pitch_scale: f32,
     #[serde(rename = "intonationScale")]
-    intonation_scale: i32,
+    intonation_scale: f32,
     #[serde(rename = "volumeScale")]
-    volume_scale: i32,
+    volume_scale: f32,
     #[serde(rename = "prePhonemeLength")]
-    pre_phoneme_length: i32,
+    pre_phoneme_length: f32,
     #[serde(rename = "postPhonemeLength")]
-    post_phoneme_length: i32,
+    post_phoneme_length: f32,
     #[serde(rename = "outputSamplingRate")]
     output_sampling_rate: i32,
     #[serde(rename = "outputStereo")]
     output_stereo: bool,
     kana: String,
-}
+}
\ No newline at end of file