diff --git a/sdks/smart-wallet-sdk/src/smartWallet.test.ts b/sdks/smart-wallet-sdk/src/smartWallet.test.ts
index 18ae1383a..12b983332 100644
--- a/sdks/smart-wallet-sdk/src/smartWallet.test.ts
+++ b/sdks/smart-wallet-sdk/src/smartWallet.test.ts
@@ -1,15 +1,153 @@
 import { ChainId } from '@uniswap/sdk-core'
-import { decodeFunctionData } from 'viem'
+import { decodeAbiParameters, decodeFunctionData } from 'viem'
 
 import abi from '../abis/MinimalDelegationEntry.json'
 
 import { ModeType, SMART_WALLET_ADDRESSES } from './constants'
 import { SmartWallet } from './smartWallet'
 import { BatchedCall, Call } from './types'
+import { BATCHED_CALL_ABI_PARAMS } from './utils/batchedCallPlanner'
 
 const EXECUTE_SELECTOR = '0xe9ae5c53' as `0x${string}`
+const EXECUTE_USER_OP_SELECTOR = '0x8dd7712f' as `0x${string}`
 
 describe('SmartWallet', () => {
+  describe('encodeUserOp', () => {
+    it('encodes a single call correctly', () => {
+      const calls: Call[] = [
+        {
+          to: '0x1111111111111111111111111111111111111111',
+          data: '0x1234',
+          value: 0n,
+        },
+      ]
+
+      const result = SmartWallet.encodeUserOp(calls)
+
+      expect(result).toBeDefined()
+      expect(result.calldata).toBeDefined()
+      expect(result.calldata.startsWith(EXECUTE_USER_OP_SELECTOR)).toBe(true)
+      expect(result.value).toBe(0n)
+    })
+
+    it('encodes multiple calls correctly', () => {
+      const calls: Call[] = [
+        {
+          to: '0x1111111111111111111111111111111111111111',
+          data: '0x1234',
+          value: 0n,
+        },
+        {
+          to: '0x2222222222222222222222222222222222222222',
+          data: '0x5678',
+          value: 0n,
+        },
+      ]
+
+      const result = SmartWallet.encodeUserOp(calls)
+
+      expect(result).toBeDefined()
+      expect(result.calldata).toBeDefined()
+      expect(result.calldata.startsWith(EXECUTE_USER_OP_SELECTOR)).toBe(true)
+      expect(result.value).toBe(0n)
+    })
+
+    it('sums the value of all calls', () => {
+      const calls: Call[] = [
+        {
+          to: '0x1111111111111111111111111111111111111111',
+          data: '0x1234',
+          value: 100n,
+        },
+        {
+          to: '0x2222222222222222222222222222222222222222',
+          data: '0x5678',
+          value: 200n,
+        },
+      ]
+
+      const result = SmartWallet.encodeUserOp(calls)
+
+      expect(result.value).toBe(300n)
+    })
+
+    it('encodes with revertOnFailure: true', () => {
+      const calls: Call[] = [
+        {
+          to: '0x1111111111111111111111111111111111111111',
+          data: '0x1234',
+          value: 0n,
+        },
+      ]
+
+      const result = SmartWallet.encodeUserOp(calls, { revertOnFailure: true })
+
+      expect(result).toBeDefined()
+      expect(result.calldata).toBeDefined()
+      expect(result.calldata.startsWith(EXECUTE_USER_OP_SELECTOR)).toBe(true)
+      
+      // Decode using BATCHED_CALL_ABI_PARAMS which matches the encoding format
+      const argsData = `0x${result.calldata.slice(10)}` as `0x${string}`
+      const decoded = decodeAbiParameters(BATCHED_CALL_ABI_PARAMS, argsData)
+      expect((decoded[0] as BatchedCall).revertOnFailure).toBe(true)
+    })
+
+    it('encodes with revertOnFailure: false', () => {
+      const calls: Call[] = [
+        {
+          to: '0x1111111111111111111111111111111111111111',
+          data: '0x1234',
+          value: 0n,
+        },
+      ]
+
+      const result = SmartWallet.encodeUserOp(calls, { revertOnFailure: false })
+
+      expect(result).toBeDefined()
+      expect(result.calldata).toBeDefined()
+
+      // Decode using BATCHED_CALL_ABI_PARAMS which matches the encoding format
+      const argsData = `0x${result.calldata.slice(10)}` as `0x${string}`
+      const decoded = decodeAbiParameters(BATCHED_CALL_ABI_PARAMS, argsData)
+      expect((decoded[0] as BatchedCall).revertOnFailure).toBe(false)
+    })
+
+    it('defaults revertOnFailure to true when no options provided', () => {
+      const calls: Call[] = [
+        {
+          to: '0x1111111111111111111111111111111111111111',
+          data: '0x1234',
+          value: 0n,
+        },
+      ]
+
+      const result = SmartWallet.encodeUserOp(calls)
+
+      // Decode using BATCHED_CALL_ABI_PARAMS which matches the encoding format
+      const argsData = `0x${result.calldata.slice(10)}` as `0x${string}`
+      const decoded = decodeAbiParameters(BATCHED_CALL_ABI_PARAMS, argsData)
+      // When no option is provided, BatchedCallPlanner defaults revertOnFailure to true
+      expect((decoded[0] as BatchedCall).revertOnFailure).toBe(true)
+    })
+
+    it('handles calls with chainId property', () => {
+      const calls: Call[] = [
+        {
+          to: '0x1111111111111111111111111111111111111111',
+          data: '0x1234',
+          value: 50n,
+          chainId: ChainId.SEPOLIA,
+        },
+      ]
+
+      const result = SmartWallet.encodeUserOp(calls)
+
+      expect(result).toBeDefined()
+      expect(result.calldata.startsWith(EXECUTE_USER_OP_SELECTOR)).toBe(true)
+      expect(result.value).toBe(50n)
+    })
+  })
+
   describe('encodeBatchedCall', () => {
     it('encodes batched call correctly', () => {
       const calls: Call[] = [
diff --git a/sdks/smart-wallet-sdk/src/smartWallet.ts b/sdks/smart-wallet-sdk/src/smartWallet.ts
index 68d0532ed..15a6ddf45 100644
--- a/sdks/smart-wallet-sdk/src/smartWallet.ts
+++ b/sdks/smart-wallet-sdk/src/smartWallet.ts
@@ -1,5 +1,5 @@
 import { ChainId } from '@uniswap/sdk-core'
-import { encodeFunctionData } from 'viem'
+import { concatHex, encodeFunctionData } from 'viem'
 
 import abi from '../abis/MinimalDelegationEntry.json'
 
@@ -12,6 +12,34 @@ import { BatchedCallPlanner } from './utils/batchedCallPlanner'
  * Main SDK class for interacting with Uniswap smart wallet contracts
  */
 export class SmartWallet {
+  /**
+   * Creates method parameters for a UserOperation to be executed through a smart wallet
+   * @dev Compatible with EntryPoint versions v0.7.0 and v0.8.0 (not v0.6.0)
+   * 
+   * @param calls Array of calls to encode
+   * @param options Basic options for the execution
+   * @returns Method parameters with userOp calldata and value
+   */
+  public static encodeUserOp(calls: Call[], options: ExecuteOptions = {}): MethodParameters {
+    const planner = new CallPlanner(calls)
+    const batchedCallPlanner = new BatchedCallPlanner(planner, options.revertOnFailure)
+
+    // UserOp callData format: executeUserOp selector (0x8dd7712f) + abi.encode(abi.encode(Call[]), revertOnFailure)
+
+    // The EntryPoint recognizes this selector and calls executeUserOp(userOp, userOpHash) on the account.
+    // The account then extracts the execution data from userOp.callData (slicing off the selector).
+    
+    // We manually concat the selector + encoded data rather than using encodeFunctionData because
+    // the callData is not a standard ABI-encoded function call to executeUserOp.
+    const EXECUTE_USER_OP_SELECTOR = '0x8dd7712f'
+    const calldata = concatHex([EXECUTE_USER_OP_SELECTOR, batchedCallPlanner.encode()])
+
+    return {
+      calldata,
+      value: planner.value,
+    }
+  }
+
   /**
    * Creates method parameters for executing a simple batch of calls through a smart wallet
    * @param calls Array of calls to encode