diff --git a/bindings/cashu-js/src/nuts/mod.rs b/bindings/cashu-js/src/nuts/mod.rs
index 790c5a6c..c7d2134b 100644
--- a/bindings/cashu-js/src/nuts/mod.rs
+++ b/bindings/cashu-js/src/nuts/mod.rs
@@ -13,8 +13,8 @@ pub mod nut09;
 pub use nut00::{JsBlindedMessage, JsBlindedMessages, JsBlindedSignature, JsProof, JsToken};
 pub use nut01::{JsKeyPair, JsKeys, JsPublicKey, JsSecretKey};
 pub use nut02::{JsId, JsKeySet, JsKeySetsResponse, JsKeysResponse, JsMintKeySet};
-pub use nut03::{JsRequestMintResponse, JsSplitRequest, JsSplitResponse};
-pub use nut04::{JsMintRequest, JsPostMintResponse};
+pub use nut03::{JsSwapRequest, JsSwapResponse};
+pub use nut04::{JsMintBolt11Request, JsMintBolt11Response};
 #[cfg(feature = "nut07")]
 pub use nut07::{JsCheckSpendableRequest, JsCheckSpendableResponse};
-pub use nut08::{JsMeltRequest, JsMeltResponse};
+pub use nut08::{JsMeltBolt11Request, JsMeltBolt11Response};
diff --git a/bindings/cashu-js/src/nuts/nut00/blinded_signature.rs b/bindings/cashu-js/src/nuts/nut00/blinded_signature.rs
index cfaa6975..133401fe 100644
--- a/bindings/cashu-js/src/nuts/nut00/blinded_signature.rs
+++ b/bindings/cashu-js/src/nuts/nut00/blinded_signature.rs
@@ -23,10 +23,10 @@ impl Deref for JsBlindedSignature {
 impl JsBlindedSignature {
     #[allow(clippy::new_without_default)]
     #[wasm_bindgen(constructor)]
-    pub fn new(id: JsId, amount: JsAmount, c: JsPublicKey) -> Self {
+    pub fn new(keyset_id: JsId, amount: JsAmount, c: JsPublicKey) -> Self {
         Self {
             inner: BlindedSignature {
-                id: *id.deref(),
+                keyset_id: *keyset_id.deref(),
                 amount: *amount.deref(),
                 c: c.deref().clone(),
             },
diff --git a/bindings/cashu-js/src/nuts/nut00/proof.rs b/bindings/cashu-js/src/nuts/nut00/proof.rs
index 671a2ded..c6e92309 100644
--- a/bindings/cashu-js/src/nuts/nut00/proof.rs
+++ b/bindings/cashu-js/src/nuts/nut00/proof.rs
@@ -28,13 +28,13 @@ impl From<Proof> for JsProof {
 #[wasm_bindgen(js_class = Proof)]
 impl JsProof {
     #[wasm_bindgen(constructor)]
-    pub fn new(amount: JsAmount, secret: JsSecret, c: JsPublicKey, id: JsId) -> JsProof {
+    pub fn new(amount: JsAmount, secret: JsSecret, c: JsPublicKey, keyset_id: JsId) -> JsProof {
         Self {
             inner: Proof {
                 amount: *amount.deref(),
                 secret: secret.deref().clone(),
                 c: c.deref().clone(),
-                id: *id.deref(),
+                keyset_id: *keyset_id.deref(),
             },
         }
     }
@@ -57,9 +57,9 @@ impl JsProof {
         self.inner.c.clone().into()
     }
 
-    /// Id
+    /// Keyset Id
     #[wasm_bindgen(getter)]
-    pub fn id(&self) -> JsId {
-        self.inner.id.into()
+    pub fn keyset_id(&self) -> JsId {
+        self.inner.keyset_id.into()
     }
 }
diff --git a/bindings/cashu-js/src/nuts/nut03.rs b/bindings/cashu-js/src/nuts/nut03.rs
index 728d9a0b..85cd840a 100644
--- a/bindings/cashu-js/src/nuts/nut03.rs
+++ b/bindings/cashu-js/src/nuts/nut03.rs
@@ -1,38 +1,38 @@
 use std::ops::Deref;
 
-use cashu::nuts::{SplitRequest, SplitResponse};
+use cashu::nuts::{SwapRequest, SwapResponse};
 use wasm_bindgen::prelude::*;
 
 use crate::error::{into_err, Result};
 use crate::types::JsAmount;
 
-#[wasm_bindgen(js_name = SplitRequest)]
-pub struct JsSplitRequest {
-    inner: SplitRequest,
+#[wasm_bindgen(js_name = SwapRequest)]
+pub struct JsSwapRequest {
+    inner: SwapRequest,
 }
 
-impl Deref for JsSplitRequest {
-    type Target = SplitRequest;
+impl Deref for JsSwapRequest {
+    type Target = SwapRequest;
     fn deref(&self) -> &Self::Target {
         &self.inner
     }
 }
 
-impl From<SplitRequest> for JsSplitRequest {
-    fn from(inner: SplitRequest) -> JsSplitRequest {
-        JsSplitRequest { inner }
+impl From<SwapRequest> for JsSwapRequest {
+    fn from(inner: SwapRequest) -> JsSwapRequest {
+        JsSwapRequest { inner }
     }
 }
 
-#[wasm_bindgen(js_class = SplitRequest)]
-impl JsSplitRequest {
+#[wasm_bindgen(js_class = SwapRequest)]
+impl JsSwapRequest {
     #[wasm_bindgen(constructor)]
-    pub fn new(inputs: JsValue, outputs: JsValue) -> Result<JsSplitRequest> {
+    pub fn new(inputs: JsValue, outputs: JsValue) -> Result<JsSwapRequest> {
         let inputs = serde_wasm_bindgen::from_value(inputs).map_err(into_err)?;
         let outputs = serde_wasm_bindgen::from_value(outputs).map_err(into_err)?;
 
-        Ok(JsSplitRequest {
-            inner: SplitRequest { inputs, outputs },
+        Ok(JsSwapRequest {
+            inner: SwapRequest { inputs, outputs },
         })
     }
 
@@ -62,45 +62,43 @@ impl JsSplitRequest {
 }
 
 #[wasm_bindgen(js_name = SplitResponse)]
-pub struct JsSplitResponse {
-    inner: SplitResponse,
+pub struct JsSwapResponse {
+    inner: SwapResponse,
 }
 
-impl Deref for JsSplitResponse {
-    type Target = SplitResponse;
+impl Deref for JsSwapResponse {
+    type Target = SwapResponse;
     fn deref(&self) -> &Self::Target {
         &self.inner
     }
 }
 
-impl From<SplitResponse> for JsSplitResponse {
-    fn from(inner: SplitResponse) -> JsSplitResponse {
-        JsSplitResponse { inner }
+impl From<SwapResponse> for JsSwapResponse {
+    fn from(inner: SwapResponse) -> JsSwapResponse {
+        JsSwapResponse { inner }
     }
 }
 
 #[wasm_bindgen(js_class = SplitResponse)]
-impl JsSplitResponse {
+impl JsSwapResponse {
     #[wasm_bindgen(constructor)]
-    pub fn new(promises: JsValue) -> Result<JsSplitResponse> {
-        let promises = serde_wasm_bindgen::from_value(promises).map_err(into_err)?;
+    pub fn new(signatures: JsValue) -> Result<JsSwapResponse> {
+        let signatures = serde_wasm_bindgen::from_value(signatures).map_err(into_err)?;
 
-        Ok(JsSplitResponse {
-            inner: SplitResponse {
-                promises: Some(promises),
-            },
+        Ok(JsSwapResponse {
+            inner: SwapResponse { signatures },
         })
     }
 
     /// Get Promises
     #[wasm_bindgen(getter)]
-    pub fn promises(&self) -> Result<JsValue> {
-        serde_wasm_bindgen::to_value(&self.inner.promises).map_err(into_err)
+    pub fn signatures(&self) -> Result<JsValue> {
+        serde_wasm_bindgen::to_value(&self.inner.signatures).map_err(into_err)
     }
 
     /// Promises Amount
     #[wasm_bindgen(js_name = promisesAmount)]
-    pub fn promises_amount(&self) -> Option<JsAmount> {
-        self.inner.promises_amount().map(|a| a.into())
+    pub fn promises_amount(&self) -> JsAmount {
+        self.inner.promises_amount().into()
     }
 }
diff --git a/bindings/cashu-js/src/nuts/nut04.rs b/bindings/cashu-js/src/nuts/nut04.rs
index 3beb0420..0b1a082f 100644
--- a/bindings/cashu-js/src/nuts/nut04.rs
+++ b/bindings/cashu-js/src/nuts/nut04.rs
@@ -1,37 +1,37 @@
 use std::ops::Deref;
 
-use cashu::nuts::nut04::{MintRequest, PostMintResponse};
+use cashu::nuts::nut04::{MintBolt11Request, MintBolt11Response};
 use wasm_bindgen::prelude::*;
 
 use crate::error::{into_err, Result};
 use crate::types::JsAmount;
 
-#[wasm_bindgen(js_name = MintRequest)]
-pub struct JsMintRequest {
-    inner: MintRequest,
+#[wasm_bindgen(js_name = MintBolt11Request)]
+pub struct JsMintBolt11Request {
+    inner: MintBolt11Request,
 }
 
-impl Deref for JsMintRequest {
-    type Target = MintRequest;
+impl Deref for JsMintBolt11Request {
+    type Target = MintBolt11Request;
     fn deref(&self) -> &Self::Target {
         &self.inner
     }
 }
 
-impl From<MintRequest> for JsMintRequest {
-    fn from(inner: MintRequest) -> JsMintRequest {
-        JsMintRequest { inner }
+impl From<MintBolt11Request> for JsMintBolt11Request {
+    fn from(inner: MintBolt11Request) -> JsMintBolt11Request {
+        JsMintBolt11Request { inner }
     }
 }
 
-#[wasm_bindgen(js_class = MintRequest)]
-impl JsMintRequest {
+#[wasm_bindgen(js_class = MintBolt11Request)]
+impl JsMintBolt11Request {
     /// Try From Base 64 String
     #[wasm_bindgen(constructor)]
-    pub fn new(outputs: JsValue) -> Result<JsMintRequest> {
+    pub fn new(quote: String, outputs: JsValue) -> Result<JsMintBolt11Request> {
         let outputs = serde_wasm_bindgen::from_value(outputs).map_err(into_err)?;
-        Ok(JsMintRequest {
-            inner: MintRequest { outputs },
+        Ok(JsMintBolt11Request {
+            inner: MintBolt11Request { quote, outputs },
         })
     }
 
@@ -47,36 +47,36 @@ impl JsMintRequest {
 }
 
 #[wasm_bindgen(js_name = PostMintResponse)]
-pub struct JsPostMintResponse {
-    inner: PostMintResponse,
+pub struct JsMintBolt11Response {
+    inner: MintBolt11Response,
 }
 
-impl Deref for JsPostMintResponse {
-    type Target = PostMintResponse;
+impl Deref for JsMintBolt11Response {
+    type Target = MintBolt11Response;
     fn deref(&self) -> &Self::Target {
         &self.inner
     }
 }
 
-impl From<PostMintResponse> for JsPostMintResponse {
-    fn from(inner: PostMintResponse) -> JsPostMintResponse {
-        JsPostMintResponse { inner }
+impl From<MintBolt11Response> for JsMintBolt11Response {
+    fn from(inner: MintBolt11Response) -> JsMintBolt11Response {
+        JsMintBolt11Response { inner }
     }
 }
 
 #[wasm_bindgen(js_class = PostMintResponse)]
-impl JsPostMintResponse {
+impl JsMintBolt11Response {
     /// Try From Base 64 String
     #[wasm_bindgen(constructor)]
-    pub fn new(promises: JsValue) -> Result<JsPostMintResponse> {
-        let promises = serde_wasm_bindgen::from_value(promises).map_err(into_err)?;
-        Ok(JsPostMintResponse {
-            inner: PostMintResponse { promises },
+    pub fn new(signatures: JsValue) -> Result<JsMintBolt11Response> {
+        let signatures = serde_wasm_bindgen::from_value(signatures).map_err(into_err)?;
+        Ok(JsMintBolt11Response {
+            inner: MintBolt11Response { signatures },
         })
     }
 
     #[wasm_bindgen(getter)]
-    pub fn promises(&self) -> Result<JsValue> {
-        serde_wasm_bindgen::to_value(&self.inner.promises).map_err(into_err)
+    pub fn signatures(&self) -> Result<JsValue> {
+        serde_wasm_bindgen::to_value(&self.inner.signatures).map_err(into_err)
     }
 }
diff --git a/bindings/cashu-js/src/nuts/nut08.rs b/bindings/cashu-js/src/nuts/nut08.rs
index bd210eea..13ae123e 100644
--- a/bindings/cashu-js/src/nuts/nut08.rs
+++ b/bindings/cashu-js/src/nuts/nut08.rs
@@ -8,27 +8,27 @@ use crate::error::{into_err, Result};
 use crate::types::JsAmount;
 
 #[wasm_bindgen(js_name = MeltRequest)]
-pub struct JsMeltRequest {
+pub struct JsMeltBolt11Request {
     inner: MeltBolt11Request,
 }
 
-impl Deref for JsMeltRequest {
+impl Deref for JsMeltBolt11Request {
     type Target = MeltBolt11Request;
     fn deref(&self) -> &Self::Target {
         &self.inner
     }
 }
 
-impl From<MeltBolt11Request> for JsMeltRequest {
-    fn from(inner: MeltBolt11Request) -> JsMeltRequest {
-        JsMeltRequest { inner }
+impl From<MeltBolt11Request> for JsMeltBolt11Request {
+    fn from(inner: MeltBolt11Request) -> JsMeltBolt11Request {
+        JsMeltBolt11Request { inner }
     }
 }
 
-#[wasm_bindgen(js_class = MeltRequest)]
-impl JsMeltRequest {
+#[wasm_bindgen(js_class = MeltBolt11Request)]
+impl JsMeltBolt11Request {
     #[wasm_bindgen(constructor)]
-    pub fn new(quote: String, inputs: JsValue, outputs: JsValue) -> Result<JsMeltRequest> {
+    pub fn new(quote: String, inputs: JsValue, outputs: JsValue) -> Result<JsMeltBolt11Request> {
         let inputs: Vec<Proof> = serde_wasm_bindgen::from_value(inputs).map_err(into_err)?;
         let outputs: Option<Vec<BlindedMessage>> = if !outputs.is_null() {
             Some(serde_wasm_bindgen::from_value(outputs).map_err(into_err)?)
@@ -36,7 +36,7 @@ impl JsMeltRequest {
             None
         };
 
-        Ok(JsMeltRequest {
+        Ok(JsMeltBolt11Request {
             inner: MeltBolt11Request {
                 quote,
                 inputs,
@@ -65,36 +65,40 @@ impl JsMeltRequest {
 }
 
 #[wasm_bindgen(js_name = MeltResponse)]
-pub struct JsMeltResponse {
+pub struct JsMeltBolt11Response {
     inner: MeltBolt11Response,
 }
 
-impl Deref for JsMeltResponse {
+impl Deref for JsMeltBolt11Response {
     type Target = MeltBolt11Response;
     fn deref(&self) -> &Self::Target {
         &self.inner
     }
 }
 
-impl From<MeltBolt11Response> for JsMeltResponse {
-    fn from(inner: MeltBolt11Response) -> JsMeltResponse {
-        JsMeltResponse { inner }
+impl From<MeltBolt11Response> for JsMeltBolt11Response {
+    fn from(inner: MeltBolt11Response) -> JsMeltBolt11Response {
+        JsMeltBolt11Response { inner }
     }
 }
 
-#[wasm_bindgen(js_class = MeltResponse)]
-impl JsMeltResponse {
+#[wasm_bindgen(js_class = MeltBolt11Response)]
+impl JsMeltBolt11Response {
     #[wasm_bindgen(constructor)]
-    pub fn new(paid: bool, proof: String, change: JsValue) -> Result<JsMeltResponse> {
+    pub fn new(
+        paid: bool,
+        payment_preimage: Option<String>,
+        change: JsValue,
+    ) -> Result<JsMeltBolt11Response> {
         let change: Option<Vec<BlindedSignature>> = if change.is_null() {
             Some(serde_wasm_bindgen::from_value(change).map_err(into_err)?)
         } else {
             None
         };
 
-        Ok(JsMeltResponse {
+        Ok(JsMeltBolt11Response {
             inner: MeltBolt11Response {
-                proof,
+                payment_preimage,
                 paid,
                 change,
             },
@@ -109,8 +113,8 @@ impl JsMeltResponse {
 
     /// Get Preimage
     #[wasm_bindgen(getter)]
-    pub fn proof(&self) -> String {
-        self.inner.proof.clone()
+    pub fn payment_preimage(&self) -> Option<String> {
+        self.inner.payment_preimage.clone()
     }
 
     /// Get Change
diff --git a/bindings/cashu-js/src/types/amount.rs b/bindings/cashu-js/src/types/amount.rs
index a518a872..48456a93 100644
--- a/bindings/cashu-js/src/types/amount.rs
+++ b/bindings/cashu-js/src/types/amount.rs
@@ -23,43 +23,23 @@ impl From<Amount> for JsAmount {
     }
 }
 
+impl From<u64> for JsAmount {
+    fn from(amount: u64) -> JsAmount {
+        JsAmount {
+            inner: Amount::from(amount),
+        }
+    }
+}
+
 #[wasm_bindgen(js_class = Amount)]
 impl JsAmount {
     #[wasm_bindgen(constructor)]
     pub fn new(sats: u32) -> Self {
         Self {
-            inner: Amount::from_sat(sats as u64),
+            inner: Amount::from(sats as u64),
         }
     }
 
-    /// From Sats
-    #[wasm_bindgen(js_name = fromSat)]
-    pub fn from_sat(sats: u64) -> Self {
-        Self {
-            inner: Amount::from_sat(sats),
-        }
-    }
-
-    /// From Msats
-    #[wasm_bindgen(js_name = fromMSat)]
-    pub fn from_msat(msats: u64) -> Self {
-        Self {
-            inner: Amount::from_msat(msats),
-        }
-    }
-
-    /// Get as sats
-    #[wasm_bindgen(js_name = toSat)]
-    pub fn to_sat(&self) -> u64 {
-        self.inner.to_sat()
-    }
-
-    /// Get as msats
-    #[wasm_bindgen(js_name = toMSat)]
-    pub fn to_msat(&self) -> u64 {
-        self.inner.to_msat()
-    }
-
     /// Split amount returns sat vec of sats
     #[wasm_bindgen(js_name = split)]
     pub fn split(&self) -> Result<JsValue> {
diff --git a/bindings/cashu-js/src/types/bolt11_invoice.rs b/bindings/cashu-js/src/types/bolt11_invoice.rs
index 08603395..e1ebdc6d 100644
--- a/bindings/cashu-js/src/types/bolt11_invoice.rs
+++ b/bindings/cashu-js/src/types/bolt11_invoice.rs
@@ -37,7 +37,9 @@ impl JsBolt11Invoice {
     /// Amount
     #[wasm_bindgen(getter)]
     pub fn amount(&self) -> Option<JsAmount> {
-        self.inner.amount_milli_satoshis().map(JsAmount::from_msat)
+        self.inner
+            .amount_milli_satoshis()
+            .map(|a| JsAmount::from(a / 1000))
     }
 
     /// Invoice as string