diff --git a/rust/tw_tests/tests/chains/bitcoin/bitcoin_sign/psbt.rs b/rust/tw_tests/tests/chains/bitcoin/bitcoin_sign/psbt.rs
index 141089020cf..ae660fd50c7 100644
--- a/rust/tw_tests/tests/chains/bitcoin/bitcoin_sign/psbt.rs
+++ b/rust/tw_tests/tests/chains/bitcoin/bitcoin_sign/psbt.rs
@@ -21,14 +21,16 @@ fn test_bitcoin_sign_psbt_thorchain_swap_witness() {
     };
 
     // Successfully broadcasted: https://mempool.space/tx/634a416e82ac710166725f6a4090ac7b5db69687e86b2d2e38dcb3d91c956c32
-    BitcoinPsbtSignHelper::new(&input).coin(CoinType::Bitcoin).sign_psbt(Expected {
-        psbt: "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",
-        encoded: "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",
-        txid: "634a416e82ac710166725f6a4090ac7b5db69687e86b2d2e38dcb3d91c956c32",
-        vsize: 216,
-        weight: 862,
-        fee: 1736,
-    });
+    BitcoinPsbtSignHelper::new(&input)
+        .coin(CoinType::Bitcoin)
+        .sign_psbt(Expected {
+            psbt: "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",
+            encoded: "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",
+            txid: "634a416e82ac710166725f6a4090ac7b5db69687e86b2d2e38dcb3d91c956c32",
+            vsize: 216,
+            weight: 862,
+            fee: 1736,
+        });
 }
 
 #[test]
@@ -46,12 +48,14 @@ fn test_bitcoin_sign_psbt_thorchain_swap_non_witness() {
     };
 
     // Successfully broadcasted: https://mempool.space/tx/710e9270b57720f567ada156c6ac72177aa00a36789e2c6526fd80040fae3ce4
-    BitcoinPsbtSignHelper::new(&input).coin(CoinType::Bitcoin).sign_psbt(Expected {
-        psbt: "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",
-        encoded: "02000000015c37bcf049b7e62dd5bfd707e0998ce86163b786e3cd45db2336cb794a8d8aa1000000006a473044022057ce7a6147fd9e139df797adcec440bad60770f40cbd609363e3075b64d3eccd02200ae7dce5f7d1fa18c5e907a16c1b078fa90f537d36101447e53fbd058d2d950a0121036c3b7dfd678da989d91593e49918a6c9d8a1d37c7e9c0abeae2118c312e69b31ffffffff03f82a000000000000160014bf5a13a26791a5db6406304a46952e264c2b28910000000000000000056a032b3a6291950000000000001976a9147c2c0ac72afbde13ecf52fca54368e7883b538b188ac00000000",
-        txid: "710e9270b57720f567ada156c6ac72177aa00a36789e2c6526fd80040fae3ce4",
-        vsize: 236,
-        weight: 944,
-        fee: 2662,
-    });
+    BitcoinPsbtSignHelper::new(&input)
+        .coin(CoinType::Bitcoin)
+        .sign_psbt(Expected {
+            psbt: "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",
+            encoded: "02000000015c37bcf049b7e62dd5bfd707e0998ce86163b786e3cd45db2336cb794a8d8aa1000000006a473044022057ce7a6147fd9e139df797adcec440bad60770f40cbd609363e3075b64d3eccd02200ae7dce5f7d1fa18c5e907a16c1b078fa90f537d36101447e53fbd058d2d950a0121036c3b7dfd678da989d91593e49918a6c9d8a1d37c7e9c0abeae2118c312e69b31ffffffff03f82a000000000000160014bf5a13a26791a5db6406304a46952e264c2b28910000000000000000056a032b3a6291950000000000001976a9147c2c0ac72afbde13ecf52fca54368e7883b538b188ac00000000",
+            txid: "710e9270b57720f567ada156c6ac72177aa00a36789e2c6526fd80040fae3ce4",
+            vsize: 236,
+            weight: 944,
+            fee: 2662,
+        });
 }
diff --git a/rust/tw_tests/tests/chains/common/bitcoin/psbt_plan.rs b/rust/tw_tests/tests/chains/common/bitcoin/psbt_plan.rs
index f86f50041c8..3a8054c3dbd 100644
--- a/rust/tw_tests/tests/chains/common/bitcoin/psbt_plan.rs
+++ b/rust/tw_tests/tests/chains/common/bitcoin/psbt_plan.rs
@@ -3,9 +3,10 @@
 // Copyright © 2017 Trust Wallet.
 
 use tw_coin_registry::coin_type::CoinType;
-use tw_coin_registry::dispatcher::{coin_dispatcher, utxo_dispatcher};
+use tw_memory::test_utils::tw_data_helper::TWDataHelper;
 use tw_proto::BitcoinV2::Proto;
 use tw_proto::{deserialize, serialize};
+use wallet_core_rs::ffi::bitcoin::psbt::tw_bitcoin_plan_psbt;
 
 pub struct BitcoinPsbtPlanHelper<'a> {
     input: &'a Proto::PsbtSigningInput<'a>,
@@ -32,13 +33,11 @@ impl<'a> BitcoinPsbtPlanHelper<'a> {
             .expect("'BitcoinSignHelper::coin_type' is not set");
 
         let input = serialize(self.input).unwrap();
+        let input = TWDataHelper::create(input);
 
-        // TODO call `tw_bitcoin_plan_psbt` when all tests are moved to another crate.
-        let (ctx, _entry) = coin_dispatcher(coin_type).expect("Unknown CoinType");
-        let output_bytes = utxo_dispatcher(coin_type)
-            .expect("CoinType is not UTXO, i.e `utxo_dispatcher` failed")
-            .plan_psbt(&ctx, &input)
-            .unwrap();
+        let output =
+            TWDataHelper::wrap(unsafe { tw_bitcoin_plan_psbt(coin_type as u32, input.ptr()) });
+        let output_bytes = output.to_vec().unwrap();
 
         let output: Proto::TransactionPlan = deserialize(&output_bytes).unwrap();
 
diff --git a/rust/tw_tests/tests/chains/common/bitcoin/psbt_sign.rs b/rust/tw_tests/tests/chains/common/bitcoin/psbt_sign.rs
index aef22cd8f21..24af4b2f78f 100644
--- a/rust/tw_tests/tests/chains/common/bitcoin/psbt_sign.rs
+++ b/rust/tw_tests/tests/chains/common/bitcoin/psbt_sign.rs
@@ -3,11 +3,12 @@
 // Copyright © 2017 Trust Wallet.
 
 use tw_coin_registry::coin_type::CoinType;
-use tw_coin_registry::dispatcher::{coin_dispatcher, utxo_dispatcher};
 use tw_encoding::hex::ToHex;
+use tw_memory::test_utils::tw_data_helper::TWDataHelper;
 use tw_proto::BitcoinV2::Proto;
 use tw_proto::Common::Proto::SigningError;
 use tw_proto::{deserialize, serialize};
+use wallet_core_rs::ffi::bitcoin::psbt::tw_bitcoin_sign_psbt;
 
 pub struct Expected {
     /// Hex encoded PSBT.
@@ -44,13 +45,11 @@ impl<'a> BitcoinPsbtSignHelper<'a> {
             .expect("'BitcoinSignHelper::coin_type' is not set");
 
         let input = serialize(self.input).unwrap();
+        let input = TWDataHelper::create(input);
 
-        // TODO call `tw_bitcoin_sign_psbt` when all tests are moved to another crate.
-        let (ctx, _entry) = coin_dispatcher(coin_type).expect("Unknown CoinType");
-        let output_bytes = utxo_dispatcher(coin_type)
-            .expect("CoinType is not UTXO, i.e `utxo_dispatcher` failed")
-            .sign_psbt(&ctx, &input)
-            .unwrap();
+        let output =
+            TWDataHelper::wrap(unsafe { tw_bitcoin_sign_psbt(coin_type as u32, input.ptr()) });
+        let output_bytes = output.to_vec().unwrap();
 
         let output: Proto::PsbtSigningOutput = deserialize(&output_bytes).unwrap();
 
diff --git a/rust/wallet_core_rs/src/ffi/bitcoin/mod.rs b/rust/wallet_core_rs/src/ffi/bitcoin/mod.rs
index 7632dd9561b..dd6df1c9eda 100644
--- a/rust/wallet_core_rs/src/ffi/bitcoin/mod.rs
+++ b/rust/wallet_core_rs/src/ffi/bitcoin/mod.rs
@@ -1,3 +1,5 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 // Copyright © 2017 Trust Wallet.
+
+pub mod psbt;
diff --git a/rust/wallet_core_rs/src/ffi/bitcoin/psbt.rs b/rust/wallet_core_rs/src/ffi/bitcoin/psbt.rs
new file mode 100644
index 00000000000..eac05194ecc
--- /dev/null
+++ b/rust/wallet_core_rs/src/ffi/bitcoin/psbt.rs
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: Apache-2.0
+//
+// Copyright © 2017 Trust Wallet.
+
+#![allow(clippy::missing_safety_doc)]
+
+use tw_coin_registry::coin_type::CoinType;
+use tw_coin_registry::dispatcher::{coin_dispatcher, utxo_dispatcher};
+use tw_memory::ffi::tw_data::TWData;
+use tw_memory::ffi::RawPtrTrait;
+use tw_misc::try_or_else;
+
+/// Signs a PSBT (Partially Signed Bitcoin Transaction) specified by the signing input and coin type.
+///
+/// \param input The serialized data of a `Proto.PsbtSigningInput` protobuf message.
+/// \param coin The given coin type to sign the PSBT for.
+/// \return The serialized data of a `Proto.PsbtSigningOutput` protobuf message.
+#[no_mangle]
+pub unsafe extern "C" fn tw_bitcoin_sign_psbt(coin: u32, input: *const TWData) -> *mut TWData {
+    let coin = try_or_else!(CoinType::try_from(coin), std::ptr::null_mut);
+    let input_data = try_or_else!(TWData::from_ptr_as_ref(input), std::ptr::null_mut);
+    let utxo_dispatcher = try_or_else!(utxo_dispatcher(coin), std::ptr::null_mut);
+    let (coin_context, _) = try_or_else!(coin_dispatcher(coin), std::ptr::null_mut);
+
+    utxo_dispatcher
+        .sign_psbt(&coin_context, input_data.as_slice())
+        .map(|data| TWData::from(data).into_ptr())
+        .unwrap_or_else(|_| std::ptr::null_mut())
+}
+
+/// Plans a PSBT (Partially Signed Bitcoin Transaction).
+/// Can be used to get the transaction detailed decoded from PSBT.
+///
+/// \param input The serialized data of a `Proto.PsbtSigningInput` protobuf message.
+/// \param coin The given coin type to sign the PSBT for.
+/// \return The serialized data of a `Proto.TransactionPlan` protobuf message.
+#[no_mangle]
+pub unsafe extern "C" fn tw_bitcoin_plan_psbt(coin: u32, input: *const TWData) -> *mut TWData {
+    let coin = try_or_else!(CoinType::try_from(coin), std::ptr::null_mut);
+    let input_data = try_or_else!(TWData::from_ptr_as_ref(input), std::ptr::null_mut);
+    let utxo_dispatcher = try_or_else!(utxo_dispatcher(coin), std::ptr::null_mut);
+    let (coin_context, _) = try_or_else!(coin_dispatcher(coin), std::ptr::null_mut);
+
+    utxo_dispatcher
+        .plan_psbt(&coin_context, input_data.as_slice())
+        .map(|data| TWData::from(data).into_ptr())
+        .unwrap_or_else(|_| std::ptr::null_mut())
+}