diff --git a/bdk-ffi/Cargo.lock b/bdk-ffi/Cargo.lock
index 300c6644..0177b6db 100644
--- a/bdk-ffi/Cargo.lock
+++ b/bdk-ffi/Cargo.lock
@@ -151,7 +151,7 @@ dependencies = [
 
 [[package]]
 name = "bdk-ffi"
-version = "1.0.0-beta.7"
+version = "1.2.0-dev"
 dependencies = [
  "assert_matches",
  "bdk_core",
diff --git a/bdk-ffi/src/bdk.udl b/bdk-ffi/src/bdk.udl
index 48e7aea6..b808713b 100644
--- a/bdk-ffi/src/bdk.udl
+++ b/bdk-ffi/src/bdk.udl
@@ -737,8 +737,14 @@ interface Wallet {
 
   [Throws=SqliteError]
   boolean persist(Connection connection);
+
+  /// Apply relevant unconfirmed transactions to the wallet.
+  /// Transactions that are not relevant are filtered out.
+  void apply_unconfirmed_txs(sequence<UnconfirmedTx> unconfirmed_txs);
 };
 
+typedef dictionary UnconfirmedTx;
+
 interface Update {};
 
 interface Policy {
diff --git a/bdk-ffi/src/lib.rs b/bdk-ffi/src/lib.rs
index 6cf28d3a..fd23f620 100644
--- a/bdk-ffi/src/lib.rs
+++ b/bdk-ffi/src/lib.rs
@@ -87,6 +87,7 @@ use crate::types::SyncRequestBuilder;
 use crate::types::SyncScriptInspector;
 use crate::types::Tx;
 use crate::types::TxStatus;
+use crate::types::UnconfirmedTx;
 use crate::types::Update;
 use crate::wallet::Wallet;
 
diff --git a/bdk-ffi/src/types.rs b/bdk-ffi/src/types.rs
index 5002f857..84b0f00e 100644
--- a/bdk-ffi/src/types.rs
+++ b/bdk-ffi/src/types.rs
@@ -592,3 +592,11 @@ impl From<BdkTx> for Tx {
         }
     }
 }
+
+/// This type replaces the Rust tuple `(tx, last_seen)` used in the Wallet::apply_unconfirmed_txs` method,
+/// where `last_seen` is the timestamp of when the transaction `tx` was last seen in the mempool.
+#[derive(uniffi::Record)]
+pub struct UnconfirmedTx {
+    pub tx: Arc<Transaction>,
+    pub last_seen: u64,
+}
diff --git a/bdk-ffi/src/wallet.rs b/bdk-ffi/src/wallet.rs
index 9b2ab8e4..76bed28e 100644
--- a/bdk-ffi/src/wallet.rs
+++ b/bdk-ffi/src/wallet.rs
@@ -7,7 +7,7 @@ use crate::error::{
 use crate::store::Connection;
 use crate::types::{
     AddressInfo, Balance, CanonicalTx, FullScanRequestBuilder, KeychainAndIndex, LocalOutput,
-    Policy, SentAndReceivedValues, SignOptions, SyncRequestBuilder, Update,
+    Policy, SentAndReceivedValues, SignOptions, SyncRequestBuilder, UnconfirmedTx, Update,
 };
 
 use bdk_wallet::bitcoin::{Network, Txid};
@@ -130,6 +130,14 @@ impl Wallet {
             .map_err(CannotConnectError::from)
     }
 
+    pub fn apply_unconfirmed_txs(&self, unconfirmed_txs: Vec<UnconfirmedTx>) {
+        self.get_wallet().apply_unconfirmed_txs(
+            unconfirmed_txs
+                .into_iter()
+                .map(|utx| (Arc::new(utx.tx.as_ref().into()), utx.last_seen)),
+        )
+    }
+
     pub(crate) fn derivation_index(&self, keychain: KeychainKind) -> Option<u32> {
         self.get_wallet().derivation_index(keychain)
     }