diff --git a/bindings/c-ffi/src/lib.rs b/bindings/c-ffi/src/lib.rs
index ece0586..b47d518 100644
--- a/bindings/c-ffi/src/lib.rs
+++ b/bindings/c-ffi/src/lib.rs
@@ -104,6 +104,59 @@ pub extern "C" fn rgblib_create_utxos(
     .into()
 }
 
+#[unsafe(no_mangle)]
+pub extern "C" fn rgblib_create_utxos_begin(
+    wallet: &COpaqueStruct,
+    online: &COpaqueStruct,
+    up_to: bool,
+    num_opt: *const c_char,
+    size_opt: *const c_char,
+    fee_rate: *const c_char,
+    skip_sync: bool,
+) -> CResultString {
+    create_utxos_begin(
+        wallet, online, up_to, num_opt, size_opt, fee_rate, skip_sync,
+    )
+    .into()
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn rgblib_create_utxos_end(
+    wallet: &COpaqueStruct,
+    online: &COpaqueStruct,
+    signed_psbt: *const c_char,
+    skip_sync: bool,
+) -> CResultString {
+    create_utxos_end(wallet, online, signed_psbt, skip_sync).into()
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn rgblib_delete_transfers(
+    wallet: &COpaqueStruct,
+    batch_transfer_idx_opt: *const c_char,
+    no_asset_only: bool,
+) -> CResultString {
+    delete_transfers(wallet, batch_transfer_idx_opt, no_asset_only).into()
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn rgblib_fail_transfers(
+    wallet: &COpaqueStruct,
+    online: &COpaqueStruct,
+    batch_transfer_idx_opt: *const c_char,
+    no_asset_only: bool,
+    skip_sync: bool,
+) -> CResultString {
+    fail_transfers(
+        wallet,
+        online,
+        batch_transfer_idx_opt,
+        no_asset_only,
+        skip_sync,
+    )
+    .into()
+}
+
 #[unsafe(no_mangle)]
 pub extern "C" fn rgblib_finalize_psbt(
     wallet: &COpaqueStruct,
@@ -130,6 +183,14 @@ pub extern "C" fn rgblib_get_asset_balance(
     get_asset_balance(wallet, asset_id).into()
 }
 
+#[unsafe(no_mangle)]
+pub extern "C" fn rgblib_get_asset_metadata(
+    wallet: &COpaqueStruct,
+    asset_id: *const c_char,
+) -> CResultString {
+    get_asset_metadata(wallet, asset_id).into()
+}
+
 #[unsafe(no_mangle)]
 pub extern "C" fn rgblib_get_btc_balance(
     wallet: &COpaqueStruct,
@@ -336,6 +397,36 @@ pub extern "C" fn rgblib_send(
     .into()
 }
 
+#[unsafe(no_mangle)]
+pub extern "C" fn rgblib_send_begin(
+    wallet: &COpaqueStruct,
+    online: &COpaqueStruct,
+    recipient_map: *const c_char,
+    donation: bool,
+    fee_rate: *const c_char,
+    min_confirmations: *const c_char,
+) -> CResultString {
+    send_begin(
+        wallet,
+        online,
+        recipient_map,
+        donation,
+        fee_rate,
+        min_confirmations,
+    )
+    .into()
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn rgblib_send_end(
+    wallet: &COpaqueStruct,
+    online: &COpaqueStruct,
+    signed_psbt: *const c_char,
+    skip_sync: bool,
+) -> CResultString {
+    send_end(wallet, online, signed_psbt, skip_sync).into()
+}
+
 #[unsafe(no_mangle)]
 pub extern "C" fn rgblib_send_btc(
     wallet: &COpaqueStruct,
diff --git a/bindings/c-ffi/src/utils.rs b/bindings/c-ffi/src/utils.rs
index 031f92d..25e84e5 100644
--- a/bindings/c-ffi/src/utils.rs
+++ b/bindings/c-ffi/src/utils.rs
@@ -228,6 +228,72 @@ pub(crate) fn create_utxos(
     Ok(serde_json::to_string(&res)?)
 }
 
+pub(crate) fn create_utxos_begin(
+    wallet: &COpaqueStruct,
+    online: &COpaqueStruct,
+    up_to: bool,
+    num_opt: *const c_char,
+    size_opt: *const c_char,
+    fee_rate: *const c_char,
+    skip_sync: bool,
+) -> Result<String, Error> {
+    let wallet = Wallet::from_opaque(wallet)?;
+    let online = Online::from_opaque(online)?;
+    let num = convert_optional_number(num_opt)?;
+    let size = convert_optional_number(size_opt)?;
+    let fee_rate = ptr_to_num(fee_rate)?;
+    let res = wallet.create_utxos_begin((*online).clone(), up_to, num, size, fee_rate, skip_sync)?;
+    Ok(res)
+}
+
+pub(crate) fn create_utxos_end(
+    wallet: &COpaqueStruct,
+    online: &COpaqueStruct,
+    signed_psbt: *const c_char,
+    skip_sync: bool,
+) -> Result<String, Error> {
+    let wallet = Wallet::from_opaque(wallet)?;
+    let online = Online::from_opaque(online)?;
+    let signed_psbt = ptr_to_string(signed_psbt);
+    let res = wallet.create_utxos_end((*online).clone(), signed_psbt, skip_sync)?;
+    Ok(serde_json::to_string(&res)?)
+}
+
+pub(crate) fn delete_transfers(
+    wallet: &COpaqueStruct,
+    batch_transfer_idx_opt: *const c_char,
+    no_asset_only: bool,
+) -> Result<String, Error> {
+    let wallet = Wallet::from_opaque(wallet)?;
+    let batch_transfer_idx = convert_optional_number(batch_transfer_idx_opt)?;
+    let res = wallet.delete_transfers(batch_transfer_idx, no_asset_only)?;
+    Ok(serde_json::to_string(&res)?)
+}
+
+pub(crate) fn fail_transfers(
+    wallet: &COpaqueStruct,
+    online: &COpaqueStruct,
+    batch_transfer_idx_opt: *const c_char,
+    no_asset_only: bool,
+    skip_sync: bool,
+) -> Result<String, Error> {
+    let wallet = Wallet::from_opaque(wallet)?;
+    let online = Online::from_opaque(online)?;
+    let batch_transfer_idx = convert_optional_number(batch_transfer_idx_opt)?;
+    let res = wallet.fail_transfers((*online).clone(), batch_transfer_idx, no_asset_only, skip_sync)?;
+    Ok(serde_json::to_string(&res)?)
+}
+
+pub(crate) fn get_asset_metadata(
+    wallet: &COpaqueStruct,
+    asset_id: *const c_char,
+) -> Result<String, Error> {
+    let wallet = Wallet::from_opaque(wallet)?;
+    let asset_id = ptr_to_string(asset_id);
+    let res = wallet.get_asset_metadata(asset_id)?;
+    Ok(serde_json::to_string(&res)?)
+}
+
 pub(crate) fn finalize_psbt(
     wallet: &COpaqueStruct,
     signed_psbt: *const c_char,
@@ -519,6 +585,43 @@ pub(crate) fn send(
     Ok(serde_json::to_string(&res)?)
 }
 
+pub(crate) fn send_begin(
+    wallet: &COpaqueStruct,
+    online: &COpaqueStruct,
+    recipient_map: *const c_char,
+    donation: bool,
+    fee_rate: *const c_char,
+    min_confirmations: *const c_char,
+) -> Result<String, Error> {
+    let wallet = Wallet::from_opaque(wallet)?;
+    let online = Online::from_opaque(online)?;
+    let recipient_map: HashMap<String, Vec<Recipient>> =
+        serde_json::from_str(&ptr_to_string(recipient_map))?;
+    let fee_rate = ptr_to_num(fee_rate)?;
+    let min_confirmations = ptr_to_num(min_confirmations)?;
+    let res = wallet.send_begin(
+        (*online).clone(),
+        recipient_map,
+        donation,
+        fee_rate,
+        min_confirmations,
+    )?;
+    Ok(res)
+}
+
+pub(crate) fn send_end(
+    wallet: &COpaqueStruct,
+    online: &COpaqueStruct,
+    signed_psbt: *const c_char,
+    skip_sync: bool,
+) -> Result<String, Error> {
+    let wallet = Wallet::from_opaque(wallet)?;
+    let online = Online::from_opaque(online)?;
+    let signed_psbt = ptr_to_string(signed_psbt);
+    let res = wallet.send_end((*online).clone(), signed_psbt, skip_sync)?;
+    Ok(serde_json::to_string(&res)?)
+}
+
 pub(crate) fn send_btc(
     wallet: &COpaqueStruct,
     online: &COpaqueStruct,