diff --git a/packages/jellyfish-api-core/__tests__/category/wallet/getUnconfirmedBalance.test.ts b/packages/jellyfish-api-core/__tests__/category/wallet/getUnconfirmedBalance.test.ts
new file mode 100644
index 0000000000..87a48c33a4
--- /dev/null
+++ b/packages/jellyfish-api-core/__tests__/category/wallet/getUnconfirmedBalance.test.ts
@@ -0,0 +1,24 @@
+import { MasterNodeRegTestContainer } from '@defichain/testcontainers'
+import { ContainerAdapterClient } from '../../container_adapter_client'
+import { BigNumber } from 'bignumber.js'
+
+// TODO(aikchun): untrusted_pending simulation after multi-node set up
+describe('Balance on masternode', () => {
+  const container = new MasterNodeRegTestContainer()
+  const client = new ContainerAdapterClient(container)
+
+  beforeAll(async () => {
+    await container.start()
+    await container.waitForReady()
+    await container.waitForWalletCoinbaseMaturity()
+  })
+
+  afterAll(async () => {
+    await container.stop()
+  })
+
+  it('should getUnconfirmedBalance', async () => {
+    const unconfirmedBalance: BigNumber = await client.wallet.getUnconfirmedBalance()
+    expect(unconfirmedBalance.isEqualTo(new BigNumber('0'))).toStrictEqual(true)
+  })
+})
diff --git a/packages/jellyfish-api-core/src/category/wallet.ts b/packages/jellyfish-api-core/src/category/wallet.ts
index f0cb1dcf96..9d7973dafe 100644
--- a/packages/jellyfish-api-core/src/category/wallet.ts
+++ b/packages/jellyfish-api-core/src/category/wallet.ts
@@ -62,6 +62,15 @@ export class Wallet {
     return await this.client.call('getbalance', ['*', minimumConfirmation, includeWatchOnly], 'bignumber')
   }
 
+  /**
+   * Identical to getBalance to get untrusted pending balance
+   *
+   * @return Promise<BigNumber>
+   */
+  async getUnconfirmedBalance (): Promise<BigNumber> {
+    return await this.client.call('getunconfirmedbalance', [false], 'bignumber')
+  }
+
   /**
    * Get list of UTXOs in wallet.
    *
diff --git a/website/docs/jellyfish/api/wallet.md b/website/docs/jellyfish/api/wallet.md
index 824e896600..fa1d8bb4a6 100644
--- a/website/docs/jellyfish/api/wallet.md
+++ b/website/docs/jellyfish/api/wallet.md
@@ -29,6 +29,16 @@ interface wallet {
 }
 ```
 
+## getUnconfirmedBalance
+
+Identical to getBalance to get untrusted pending balance.
+
+```ts title="client.wallet.getUnconfirmedBalance()"
+interface wallet {
+  getUnconfirmedBalance (): Promise<BigNumber>
+}
+```
+
 ## listUnspent
 
 Get list of UTXOs in wallet.