diff --git a/bindings/cashu-js/src/nuts/mod.rs b/bindings/cashu-js/src/nuts/mod.rs
index fff91b37..0b51976a 100644
--- a/bindings/cashu-js/src/nuts/mod.rs
+++ b/bindings/cashu-js/src/nuts/mod.rs
@@ -2,3 +2,4 @@ mod nut00;
 mod nut01;
 mod nut02;
 mod nut03;
+mod nut04;
diff --git a/bindings/cashu-js/src/nuts/nut04.rs b/bindings/cashu-js/src/nuts/nut04.rs
new file mode 100644
index 00000000..ddfcbccd
--- /dev/null
+++ b/bindings/cashu-js/src/nuts/nut04.rs
@@ -0,0 +1,84 @@
+use std::ops::Deref;
+
+use cashu::nuts::nut04::{MintRequest, PostMintResponse};
+use wasm_bindgen::prelude::*;
+
+use crate::{
+    error::{into_err, Result},
+    types::JsAmount,
+};
+
+#[wasm_bindgen(js_name = MintRequest)]
+pub struct JsMintRequest {
+    inner: MintRequest,
+}
+
+impl Deref for JsMintRequest {
+    type Target = MintRequest;
+    fn deref(&self) -> &Self::Target {
+        &self.inner
+    }
+}
+
+impl From<MintRequest> for JsMintRequest {
+    fn from(inner: MintRequest) -> JsMintRequest {
+        JsMintRequest { inner }
+    }
+}
+
+#[wasm_bindgen(js_class = MintRequest)]
+impl JsMintRequest {
+    /// Try From Base 64 String
+    #[wasm_bindgen(constructor)]
+    pub fn new(outputs: String) -> Result<JsMintRequest> {
+        let outputs = serde_json::from_str(&outputs).map_err(into_err)?;
+        Ok(JsMintRequest {
+            inner: MintRequest { outputs },
+        })
+    }
+
+    #[wasm_bindgen(getter)]
+    pub fn outputs(&self) -> Result<String> {
+        Ok(serde_json::to_string(&self.inner.outputs).map_err(into_err)?)
+    }
+
+    #[wasm_bindgen(js_name = totalAmount)]
+    pub fn totoal_amount(&self) -> JsAmount {
+        self.inner.total_amount().into()
+    }
+}
+
+#[wasm_bindgen(js_name = PostMintResponse)]
+pub struct JsPostMintResponse {
+    inner: PostMintResponse,
+}
+
+impl Deref for JsPostMintResponse {
+    type Target = PostMintResponse;
+    fn deref(&self) -> &Self::Target {
+        &self.inner
+    }
+}
+
+impl From<PostMintResponse> for JsPostMintResponse {
+    fn from(inner: PostMintResponse) -> JsPostMintResponse {
+        JsPostMintResponse { inner }
+    }
+}
+
+#[wasm_bindgen(js_class = PostMintResponse)]
+impl JsPostMintResponse {
+    /// Try From Base 64 String
+    #[wasm_bindgen(constructor)]
+    pub fn new(promises: String) -> Result<JsPostMintResponse> {
+        let promises = serde_json::from_str(&promises).map_err(into_err)?;
+        Ok(JsPostMintResponse {
+            inner: PostMintResponse { promises },
+        })
+    }
+
+    #[wasm_bindgen(getter)]
+    pub fn promises(&self) -> Result<String> {
+        Ok(serde_json::to_string(&self.inner.promises).map_err(into_err)?)
+    }
+}