diff --git a/.changeset/early-shoes-applaud.md b/.changeset/early-shoes-applaud.md
new file mode 100644
index 00000000000..439dae02669
--- /dev/null
+++ b/.changeset/early-shoes-applaud.md
@@ -0,0 +1,5 @@
+---
+"thirdweb": patch
+---
+
+Respect custom bundler URL for getting gas fees + better DX for `predictSmartAccountAddress()`
diff --git a/apps/portal/src/app/typescript/v5/sidebar.tsx b/apps/portal/src/app/typescript/v5/sidebar.tsx
index 44e199443eb..12418f76cd2 100644
--- a/apps/portal/src/app/typescript/v5/sidebar.tsx
+++ b/apps/portal/src/app/typescript/v5/sidebar.tsx
@@ -139,7 +139,7 @@ export const sidebar: SideBar = {
             },
             ...[
               "smartWallet",
-              "predictAddress",
+              "predictSmartAccountAddress",
               "createAndSignUserOp",
               "createUnsignedUserOp",
               "signUserOp",
diff --git a/packages/thirdweb/src/exports/wallets/smart.ts b/packages/thirdweb/src/exports/wallets/smart.ts
index aa01c4007af..7a5f0acb2cd 100644
--- a/packages/thirdweb/src/exports/wallets/smart.ts
+++ b/packages/thirdweb/src/exports/wallets/smart.ts
@@ -15,7 +15,10 @@ export {
   estimateUserOpGas,
 } from "../../wallets/smart/lib/bundler.js";
 
-export { predictAddress } from "../../wallets/smart/lib/calls.js";
+export {
+  predictAddress,
+  predictSmartAccountAddress,
+} from "../../wallets/smart/lib/calls.js";
 
 export { getPaymasterAndData } from "../../wallets/smart/lib/paymaster.js";
 
diff --git a/packages/thirdweb/src/transaction/prepare-contract-call.ts b/packages/thirdweb/src/transaction/prepare-contract-call.ts
index 4a95fa0e4c8..27971613493 100644
--- a/packages/thirdweb/src/transaction/prepare-contract-call.ts
+++ b/packages/thirdweb/src/transaction/prepare-contract-call.ts
@@ -92,6 +92,29 @@ export type PrepareContractCallOptions<
  * });
  * ```
  *
+ * ### Usage with ERC20 value:
+ *
+ * For transactions that transfer ERC20 tokens, you can specify the value as the amount of tokens to transfer.
+ *
+ * You can use this in conjuction with the [`getApprovalForTransaction`](https://portal.thirdweb.com/references/typescript/v5/getApprovalForTransaction) function to easily create approval transactions for ERC20 tokens.
+ *
+ * This value will also be read by the react hooks and UI components to present to total cost to the user.
+ *
+ * ```ts
+ * import { prepareContractCall } from "thirdweb";
+ * import { toWei } from "thirdweb/utils";
+ *
+ * const transaction = prepareContractCall({
+ *  contract,
+ *  method: "function payWithCoin()",
+ *  params: [],
+ *  erc20Value: {
+ *    tokenAddress: "0x...", // the address of the ERC20 token
+ *    amountWei: toWei("0.1"), // the amount of tokens to transfer in wei
+ *  },
+ * });
+ * ```
+ *
  * ### Usage with a JSON ABI function object:
  *
  * ```ts
diff --git a/packages/thirdweb/src/wallets/smart/lib/calls.ts b/packages/thirdweb/src/wallets/smart/lib/calls.ts
index b2cbf430012..259de48b5a0 100644
--- a/packages/thirdweb/src/wallets/smart/lib/calls.ts
+++ b/packages/thirdweb/src/wallets/smart/lib/calls.ts
@@ -1,9 +1,49 @@
-import type { ThirdwebContract } from "../../../contract/contract.js";
+import type { Chain } from "../../../chains/types.js";
+import type { ThirdwebClient } from "../../../client/client.js";
+import {
+  type ThirdwebContract,
+  getContract,
+} from "../../../contract/contract.js";
 import { prepareContractCall } from "../../../transaction/prepare-contract-call.js";
 import type { PreparedTransaction } from "../../../transaction/prepare-transaction.js";
 import { readContract } from "../../../transaction/read-contract.js";
 import { isHex, stringToHex } from "../../../utils/encoding/hex.js";
 import type { SendTransactionOption } from "../../interfaces/wallet.js";
+import { DEFAULT_ACCOUNT_FACTORY_V0_6 } from "./constants.js";
+
+/**
+ * Predict the address of a smart account.
+ * @param args - The options for predicting the address of a smart account.
+ * @returns The predicted address of the smart account.
+ * @example
+ * ```ts
+ * import { predictSmartAccountAddress } from "thirdweb/wallets/smart";
+ *
+ * const predictedAddress = await predictSmartAccountAddress({
+ *  client,
+ *  chain,
+ *  adminAddress,
+ * });
+ * ```
+ * @walletUtils
+ */
+export async function predictSmartAccountAddress(args: {
+  client: ThirdwebClient;
+  chain: Chain;
+  adminAddress: string;
+  factoryAddress?: string;
+  accountSalt?: string;
+}): Promise<string> {
+  return predictAddress({
+    adminAddress: args.adminAddress,
+    accountSalt: args.accountSalt,
+    factoryContract: getContract({
+      address: args.factoryAddress ?? DEFAULT_ACCOUNT_FACTORY_V0_6,
+      chain: args.chain,
+      client: args.client,
+    }),
+  });
+}
 
 /**
  * Predict the address of a smart account.
@@ -20,6 +60,7 @@ import type { SendTransactionOption } from "../../interfaces/wallet.js";
  * });
  * ```
  * @walletUtils
+ * @deprecated Use `predictSmartAccountAddress` instead.
  */
 export async function predictAddress(args: {
   factoryContract: ThirdwebContract;
diff --git a/packages/thirdweb/src/wallets/smart/lib/userop.ts b/packages/thirdweb/src/wallets/smart/lib/userop.ts
index 87f86a43556..755cc0fbde9 100644
--- a/packages/thirdweb/src/wallets/smart/lib/userop.ts
+++ b/packages/thirdweb/src/wallets/smart/lib/userop.ts
@@ -149,6 +149,7 @@ export async function createUnsignedUserOp(args: {
   const bundlerOptions = {
     client,
     chain,
+    bundlerUrl: overrides?.bundlerUrl,
     entrypointAddress: overrides?.entrypointAddress,
   };
 
diff --git a/packages/thirdweb/src/wallets/smart/smart-wallet-integration-v07.test.ts b/packages/thirdweb/src/wallets/smart/smart-wallet-integration-v07.test.ts
index fe025500457..1e2f0630ce7 100644
--- a/packages/thirdweb/src/wallets/smart/smart-wallet-integration-v07.test.ts
+++ b/packages/thirdweb/src/wallets/smart/smart-wallet-integration-v07.test.ts
@@ -23,6 +23,7 @@ import { isContractDeployed } from "../../utils/bytecode/is-contract-deployed.js
 import { sleep } from "../../utils/sleep.js";
 import type { Account, Wallet } from "../interfaces/wallet.js";
 import { generateAccount } from "../utils/generateAccount.js";
+import { predictSmartAccountAddress } from "./lib/calls.js";
 import { DEFAULT_ACCOUNT_FACTORY_V0_7 } from "./lib/constants.js";
 import { smartWallet } from "./smart-wallet.js";
 
@@ -70,6 +71,13 @@ describe.runIf(process.env.TW_SECRET_KEY).sequential(
 
     it("can connect", async () => {
       expect(smartWalletAddress).toHaveLength(42);
+      const predictedAddress = await predictSmartAccountAddress({
+        client,
+        chain,
+        adminAddress: personalAccount.address,
+        factoryAddress: DEFAULT_ACCOUNT_FACTORY_V0_7,
+      });
+      expect(predictedAddress).toEqual(smartWalletAddress);
     });
 
     it("should revert on unsuccessful transactions", async () => {
diff --git a/packages/thirdweb/src/wallets/smart/smart-wallet-integration.test.ts b/packages/thirdweb/src/wallets/smart/smart-wallet-integration.test.ts
index 2b164024aed..5a731ce71c1 100644
--- a/packages/thirdweb/src/wallets/smart/smart-wallet-integration.test.ts
+++ b/packages/thirdweb/src/wallets/smart/smart-wallet-integration.test.ts
@@ -23,6 +23,7 @@ import { isContractDeployed } from "../../utils/bytecode/is-contract-deployed.js
 import { sleep } from "../../utils/sleep.js";
 import type { Account, Wallet } from "../interfaces/wallet.js";
 import { generateAccount } from "../utils/generateAccount.js";
+import { predictSmartAccountAddress } from "./lib/calls.js";
 import { smartWallet } from "./smart-wallet.js";
 
 let wallet: Wallet;
@@ -69,6 +70,12 @@ describe.runIf(process.env.TW_SECRET_KEY).sequential(
 
     it("can connect", async () => {
       expect(smartWalletAddress).toHaveLength(42);
+      const predictedAddress = await predictSmartAccountAddress({
+        client,
+        chain,
+        adminAddress: personalAccount.address,
+      });
+      expect(predictedAddress).toEqual(smartWalletAddress);
     });
 
     it("should revert on unsuccessful transactions", async () => {