:root {
  /* Colors */
  --gelato-text-primary: #010110;
  --gelato-dark-bg: #010110;
  --gelato-dark-bg-elevated: #22222a;
  --gelato-dark-text-primary: #FFEFE3;
}

.dark #search-bar-entry {
  background-color: var(--gelato-dark-bg-elevated);
}

/* Navbar CTA button */
#topbar-cta-button a span {
  background-color: var(--gelato-text-primary);
}

#topbar-cta-button a:hover * {
  opacity: 1;
}

#topbar-cta-button a svg {
  color: currentColor;
}

.dark #topbar-cta-button a span {
  color: var(--gelato-dark-bg);
  background-color: var(--gelato-dark-text-primary);
}

.dark #topbar-cta-button a {
  color: var(--gelato-dark-bg);
}


const { generatePrivateKey, privateKeyToAccount } = require("viem/accounts");

export default async function handler(req, res) {
  // Set CORS headers
  res.setHeader('Access-Control-Allow-Credentials', true);
  res.setHeader('Access-Control-Allow-Origin', '*');
  res.setHeader('Access-Control-Allow-Methods', 'GET,OPTIONS,PATCH,DELETE,POST,PUT');
  res.setHeader(
    'Access-Control-Allow-Headers',
    'X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version'
  );

  // Handle preflight request
  if (req.method === 'OPTIONS') {
    res.status(200).end();
    return;
  }

  if (req.method !== "POST")
    return res.status(405).json({ error: "Only POST allowed" });

  try {
    const privateKey = generatePrivateKey();
    const account = privateKeyToAccount(privateKey);
    res.status(200).json({ privateKey, address: account.address });
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
}


const { createPublicClient, http } = require("viem");
const { privateKeyToAccount } = require("viem/accounts");
const { baseSepolia } = require("viem/chains");
const { gelato } = require("@gelatonetwork/smartwallet/accounts");

const usdcContract = {
  address: "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
  abi: [
    {
      name: "balanceOf",
      type: "function",
      stateMutability: "view",
      inputs: [{ name: "account", type: "address" }],
      outputs: [{ name: "", type: "uint256" }],
    },
  ],
};

export default async function handler(req, res) {
  // Set CORS headers
  res.setHeader('Access-Control-Allow-Credentials', true);
  res.setHeader('Access-Control-Allow-Origin', '*');
  res.setHeader('Access-Control-Allow-Methods', 'GET,OPTIONS,PATCH,DELETE,POST,PUT');
  res.setHeader(
    'Access-Control-Allow-Headers',
    'X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version'
  );

  // Handle preflight request
  if (req.method === 'OPTIONS') {
    res.status(200).end();
    return;
  }

  if (req.method !== "POST")
    return res.status(405).json({ error: "Only POST allowed" });

  try {
    const privateKey = req.body.privateKey;
    const signer = privateKeyToAccount(privateKey);

    const publicClient = createPublicClient({
      chain: baseSepolia,
      transport: http(),
    });

    const account = await gelato({
      owner: signer,
      client: publicClient,
    });


    const balance = await publicClient.readContract({
      address: usdcContract.address,
      abi: usdcContract.abi,
      functionName: "balanceOf",
      args: [account.address],
    });

    res.status(200).json({ balance: Number(balance) / 1e6 });
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
}


const { createPublicClient, http, formatEther } = require("viem");
const { privateKeyToAccount } = require("viem/accounts");
const { baseSepolia } = require("viem/chains");

export default async function handler(req, res) {
  // Set CORS headers
  res.setHeader('Access-Control-Allow-Credentials', true);
  res.setHeader('Access-Control-Allow-Origin', '*');
  res.setHeader('Access-Control-Allow-Methods', 'GET,OPTIONS,PATCH,DELETE,POST,PUT');
  res.setHeader(
    'Access-Control-Allow-Headers',
    'X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version'
  );

  // Handle preflight request
  if (req.method === 'OPTIONS') {
    res.status(200).end();
    return;
  }

  if (req.method !== "POST")
    return res.status(405).json({ error: "Only POST allowed" });

  try {
    const privateKey = req.body.privateKey;
    const account = privateKeyToAccount(privateKey);

    const publicClient = createPublicClient({
      chain: baseSepolia,
      transport: http(),
    });

    const balance = await publicClient.getBalance({ address: account.address });
    res.status(200).json({ balance: formatEther(balance) });
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
}


const { createWalletClient, createPublicClient, http, zeroAddress } = require("viem");
const { privateKeyToAccount } = require("viem/accounts");
const { baseSepolia } = require("viem/chains");
const {
  createGelatoSmartWalletClient,
  erc20,
} = require("@gelatonetwork/smartwallet");
const { gelato } = require("@gelatonetwork/smartwallet/accounts");

export default async function handler(req, res) {
  // Set CORS headers
  res.setHeader('Access-Control-Allow-Credentials', true);
  res.setHeader('Access-Control-Allow-Origin', '*');
  res.setHeader('Access-Control-Allow-Methods', 'GET,OPTIONS,PATCH,DELETE,POST,PUT');
  res.setHeader(
    'Access-Control-Allow-Headers',
    'X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version'
  );

  // Handle preflight request
  if (req.method === 'OPTIONS') {
    res.status(200).end();
    return;
  }

  if (req.method !== "POST")
    return res.status(405).json({ error: "Only POST allowed" });

  try {
    const privateKey = req.body.privateKey;
    const sponsorApiKey = process.env.SPONSOR_API_KEY;

    const signer = privateKeyToAccount(privateKey);
    const publicClient = createPublicClient({
      chain: baseSepolia,
      transport: http(),
    });
    const account = await gelato({
      owner: signer,
      client: publicClient,
    })
    const client = createWalletClient({
      account,
      chain: baseSepolia,
      transport: http(),
    });

    const tokenAddress = "0x036CbD53842c5426634e7929541eC2318f3dCF7e";

    const smartWalletClient = await createGelatoSmartWalletClient(client, {
      apiKey: sponsorApiKey,
    });

    const response = await smartWalletClient.execute({
      payment: erc20(tokenAddress),
      calls: [{ to: zeroAddress, data: "0x", value: 0n }],
    });

    const txHash = await response.wait();

    res.status(200).json({ gelatoId: response.id, txHash });
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
}


const { createWalletClient, createPublicClient, http, zeroAddress } = require("viem");
const { privateKeyToAccount } = require("viem/accounts");
const { baseSepolia } = require("viem/chains");
const {
  createGelatoSmartWalletClient,
  native,
} = require("@gelatonetwork/smartwallet");
const { gelato } = require("@gelatonetwork/smartwallet/accounts");

export default async function handler(req, res) {
  // Set CORS headers
  res.setHeader('Access-Control-Allow-Credentials', true);
  res.setHeader('Access-Control-Allow-Origin', '*');
  res.setHeader('Access-Control-Allow-Methods', 'GET,OPTIONS,PATCH,DELETE,POST,PUT');
  res.setHeader(
    'Access-Control-Allow-Headers',
    'X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version'
  );

  // Handle preflight request
  if (req.method === 'OPTIONS') {
    res.status(200).end();
    return;
  }

  if (req.method !== "POST")
    return res.status(405).json({ error: "Only POST allowed" });

  try {
    const privateKey = req.body.privateKey;
    const sponsorApiKey = process.env.SPONSOR_API_KEY;

    const signer = privateKeyToAccount(privateKey);
    const publicClient = createPublicClient({
      chain: baseSepolia,
      transport: http(),
    });

    const account = await gelato({
      owner: signer,
      client: publicClient,
    });

    const client = createWalletClient({
      account,
      chain: baseSepolia,
      transport: http(),
    });

    const smartWalletClient = await createGelatoSmartWalletClient(client, {
      apiKey: sponsorApiKey,
    });

    const response = await smartWalletClient.execute({
      payment: native(),
      calls: [{ to: zeroAddress, data: "0x", value: 0n }],
    });

    const txHash = await response.wait();

    res.status(200).json({ gelatoId: response.id, txHash });
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
}


const { createWalletClient, createPublicClient, http, zeroAddress } = require("viem");
const { privateKeyToAccount } = require("viem/accounts");
const { baseSepolia } = require("viem/chains");
const {
  createGelatoSmartWalletClient,
  sponsored,
} = require("@gelatonetwork/smartwallet");
const { gelato } = require("@gelatonetwork/smartwallet/accounts");

export default async function handler(req, res) {
  // Set CORS headers
  res.setHeader('Access-Control-Allow-Credentials', true);
  res.setHeader('Access-Control-Allow-Origin', '*');
  res.setHeader('Access-Control-Allow-Methods', 'GET,OPTIONS,PATCH,DELETE,POST,PUT');
  res.setHeader(
    'Access-Control-Allow-Headers',
    'X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version'
  );

  // Handle preflight request
  if (req.method === 'OPTIONS') {
    res.status(200).end();
    return;
  }

  if (req.method !== "POST")
    return res.status(405).json({ error: "Only POST allowed" });

  try {
    const privateKey = req.body.privateKey;
    const sponsorApiKey = process.env.SPONSOR_API_KEY;

    const signer = privateKeyToAccount(privateKey);
    const publicClient = createPublicClient({
      chain: baseSepolia,
      transport: http(),
    });

    const account = await gelato({
      owner: signer,
      client: publicClient,
    });

    const client = createWalletClient({
      account,
      chain: baseSepolia,
      transport: http(),
    });

    const smartWalletClient = await createGelatoSmartWalletClient(client, {
      apiKey: sponsorApiKey,
    });

    const response = await smartWalletClient.execute({
      payment: sponsored(sponsorApiKey),
      calls: [{ to: zeroAddress, data: "0x", value: 0n }],
    });

    const txHash = await response.wait();

    res.status(200).json({ gelatoId: response.id, txHash });
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
}


Setting up Custom Gelato App in Safe

Using Safe UI

Gelato

Explore our API & SDK references, demos, and guides for building onchain apps.

Gelato Developer Docs

Overview

Understanding EIP-7702

Understanding ERC-4337

EIP-7702 vs ERC-4337

Learn how to create and manage a Sponsor API Key for gas sponsorship

Create a Sponsor API Key

Sponsor Gas for your users

Pay Gas with ERC-20 Tokens

Pay Gas with Native Tokens

Learn how to estimate gas costs for transactions using the Smart Wallet SDK

Estimate Gas Costs

Applied Use Cases: Morpho Demo

Learn how to create and manage a Dynamic Environment ID for wallet providers

Create Dynamic's Environment ID

Learn how to integrate Dynamic or Privy as wallet providers with the Gelato Smart Wallets React SDK

Use Dynamic or Privy Signers

Demo

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What is Relaying?

Essential reading to safeguard your contracts

Make sure your contracts are not affected by the recently disclosed vulnerability

Introduction

Security Considerations

How-To Guides

Additional Resources

Using Safe UI

Setting up Custom Gelato App in Safe

Introduction

Security Considerations

How-To Guides

Additional Resources

​Setting up Custom Gelato App in Safe

Setting up Custom Gelato App in Safe