diff --git a/.changeset/remove-get-wallet-balances.md b/.changeset/remove-get-wallet-balances.md
new file mode 100644
index 00000000..07513502
--- /dev/null
+++ b/.changeset/remove-get-wallet-balances.md
@@ -0,0 +1,5 @@
+---
+"@lifi/sdk": minor
+---
+
+Remove the `getWalletBalances` action and client method — the underlying `/wallets/{address}/balances` API endpoint is deprecated. Use `getTokenBalances`/`getTokenBalancesByChain` to fetch balances directly from RPCs instead.
diff --git a/packages/sdk/src/actions/getWalletBalances.ts b/packages/sdk/src/actions/getWalletBalances.ts
deleted file mode 100644
index 776788b0..00000000
--- a/packages/sdk/src/actions/getWalletBalances.ts
+++ /dev/null
@@ -1,36 +0,0 @@
-import type {
-  GetWalletBalanceExtendedResponse,
-  RequestOptions,
-  WalletTokenExtended,
-} from '@lifi/types'
-import { ValidationError } from '../errors/errors.js'
-import type { SDKClient } from '../types/core.js'
-import { request } from '../utils/request.js'
-
-/**
- * Returns the balances of tokens a wallet holds across EVM chains.
- * @param client - The SDK client.
- * @param walletAddress - A wallet address.
- * @param options - Optional request options.
- * @returns An object containing the tokens and the amounts organized by chain ids.
- * @throws {ValidationError} Throws a ValidationError if parameters are invalid.
- */
-export const getWalletBalances = async (
-  client: SDKClient,
-  walletAddress: string,
-  options?: RequestOptions
-): Promise<Record<number, WalletTokenExtended[]>> => {
-  if (!walletAddress) {
-    throw new ValidationError('Missing walletAddress.')
-  }
-
-  const response = await request<GetWalletBalanceExtendedResponse>(
-    client.config,
-    `${client.config.apiUrl}/wallets/${walletAddress}/balances?extended=true`,
-    {
-      signal: options?.signal,
-    }
-  )
-
-  return (response?.balances || {}) as Record<number, WalletTokenExtended[]>
-}
diff --git a/packages/sdk/src/actions/getWalletBalances.unit.spec.ts b/packages/sdk/src/actions/getWalletBalances.unit.spec.ts
deleted file mode 100644
index 05a9c635..00000000
--- a/packages/sdk/src/actions/getWalletBalances.unit.spec.ts
+++ /dev/null
@@ -1,90 +0,0 @@
-import { findDefaultToken } from '@lifi/data-types'
-import type { WalletTokenExtended } from '@lifi/types'
-import { ChainId, CoinKey } from '@lifi/types'
-import { beforeEach, describe, expect, it, vi } from 'vitest'
-import { client } from './actions.unit.handlers.js'
-import { getWalletBalances } from './getWalletBalances.js'
-
-const mockedGetWalletBalances = vi.spyOn(
-  await import('./getWalletBalances.js'),
-  'getWalletBalances'
-)
-
-describe('getWalletBalances', () => {
-  beforeEach(() => {
-    vi.clearAllMocks()
-  })
-
-  const SOME_TOKEN = {
-    ...findDefaultToken(CoinKey.USDC, ChainId.DAI),
-    priceUSD: '',
-  }
-  const SOME_WALLET_ADDRESS = 'some wallet address'
-
-  describe('user input is invalid', () => {
-    it('should throw Error because of missing walletAddress', async () => {
-      await expect(getWalletBalances(client, '')).rejects.toThrow(
-        'Missing walletAddress.'
-      )
-    })
-  })
-
-  describe('user input is valid', () => {
-    it('should call the balance service without options', async () => {
-      const balanceResponse: Record<number, WalletTokenExtended[]> = {
-        [ChainId.DAI]: [
-          {
-            ...SOME_TOKEN,
-            amount: '123',
-            marketCapUSD: 1000000,
-            volumeUSD24H: 50000,
-            fdvUSD: 2000000,
-          },
-        ],
-      }
-
-      mockedGetWalletBalances.mockReturnValue(Promise.resolve(balanceResponse))
-
-      const result = await getWalletBalances(client, SOME_WALLET_ADDRESS)
-
-      expect(mockedGetWalletBalances).toHaveBeenCalledTimes(1)
-      expect(mockedGetWalletBalances).toHaveBeenCalledWith(
-        client,
-        SOME_WALLET_ADDRESS
-      )
-      expect(result).toEqual(balanceResponse)
-    })
-
-    it('should call the balance service with options', async () => {
-      const balanceResponse: Record<number, WalletTokenExtended[]> = {
-        [ChainId.DAI]: [
-          {
-            ...SOME_TOKEN,
-            amount: '123',
-            marketCapUSD: 1000000,
-            volumeUSD24H: 50000,
-            fdvUSD: 2000000,
-          },
-        ],
-      }
-
-      const options = { signal: new AbortController().signal }
-
-      mockedGetWalletBalances.mockReturnValue(Promise.resolve(balanceResponse))
-
-      const result = await getWalletBalances(
-        client,
-        SOME_WALLET_ADDRESS,
-        options
-      )
-
-      expect(mockedGetWalletBalances).toHaveBeenCalledTimes(1)
-      expect(mockedGetWalletBalances).toHaveBeenCalledWith(
-        client,
-        SOME_WALLET_ADDRESS,
-        options
-      )
-      expect(result).toEqual(balanceResponse)
-    })
-  })
-})
diff --git a/packages/sdk/src/actions/index.ts b/packages/sdk/src/actions/index.ts
index adf95240..5e84ea34 100644
--- a/packages/sdk/src/actions/index.ts
+++ b/packages/sdk/src/actions/index.ts
@@ -28,7 +28,6 @@ import type {
   ToolsResponse,
   TransactionAnalyticsRequest,
   TransactionAnalyticsResponse,
-  WalletTokenExtended,
 } from '@lifi/types'
 import type {
   GetStatusRequestExtended,
@@ -55,7 +54,6 @@ import { getTokenBalancesByChain } from './getTokenBalancesByChain.js'
 import { getTokens } from './getTokens.js'
 import { getTools } from './getTools.js'
 import { getTransactionHistory } from './getTransactionHistory.js'
-import { getWalletBalances } from './getWalletBalances.js'
 import {
   type PatchContractCallsResponse,
   patchContractCalls,
@@ -274,17 +272,6 @@ export type Actions = {
     options?: RequestOptions
   ) => Promise<TransactionAnalyticsResponse>
 
-  /**
-   * Get wallet balances
-   * @param params - The configuration of the requested wallet balances
-   * @param options - Request options
-   * @returns Wallet balances
-   */
-  getWalletBalances: (
-    walletAddress: string,
-    options?: RequestOptions
-  ) => Promise<Record<number, WalletTokenExtended[]>>
-
   /**
    * Relay a transaction through the relayer service
    * @param params - The configuration for the relay request
@@ -340,8 +327,6 @@ export function actions(client: SDKClient): Actions {
       getTokenBalancesByChain(client, walletAddress, tokensByChain),
     getTransactionHistory: (params, options) =>
       getTransactionHistory(client, params, options),
-    getWalletBalances: (walletAddress, options) =>
-      getWalletBalances(client, walletAddress, options),
     relayTransaction: (params, options) =>
       relayTransaction(client, params, options),
     patchContractCalls: (params, options) =>
diff --git a/packages/sdk/src/index.ts b/packages/sdk/src/index.ts
index b26df206..42dd467b 100644
--- a/packages/sdk/src/index.ts
+++ b/packages/sdk/src/index.ts
@@ -19,7 +19,6 @@ export { getTokenBalancesByChain } from './actions/getTokenBalancesByChain.js'
 export { getTokens } from './actions/getTokens.js'
 export { getTools } from './actions/getTools.js'
 export { getTransactionHistory } from './actions/getTransactionHistory.js'
-export { getWalletBalances } from './actions/getWalletBalances.js'
 export { actions } from './actions/index.js'
 export { patchContractCalls } from './actions/patchContractCalls.js'
 export { relayTransaction } from './actions/relayTransaction.js'